SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
-
Trade name
Chemical Name
Molecular formula
USED SULFUR HEXAFLUORIDE
Sulfur hexafluoride
SF6
1.2 Relevant identified uses of the substance or mixture and uses advised against
Uses of the Substance / Mixture
-
Recycling
1.3 Details of the supplier of the safety data sheet
Company
SOLVAY FLUORIDES, LLC
3333 RICHMOND AVENUE
77098-3099, HOUSTON
USA
Tel: +1-800-7658292; +1-713-5256700
Fax: +1-713-5257805
Prepared by
Solvay Product Stewardship (see Telephone number above)
Date Prepared
05/01/2015
1.4 Emergency telephone
FOR EMERGENCIES INVOLVING A SPILL, LEAK, FIRE, EXPOSURE OR ACCIDENT CONTACT: CHEMTREC 800-4249300 within the United States and Canada, or 703-527-3887 for international collect calls.
SECTION 2: Hazards identification
2.1 Emergency overview
Appearance
Form : Liquefied gas
Physical state: gaseous
Color: colorless colorless
Odor: pungent
Warning statements
-
Causes asphyxiation in high concentrations.
Hazardous decomposition products formed under fire conditions.
2.2 Potential Health Effects
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Inhalation effect
-
Risk of cardiac and nervous disorders.
Risk of: Lung edema
Symptoms
narcosis
Cough
Asphyxia
At high concentrations:
Chemical pneumonitis
chronic bronchitis.
Skin effect
-
gas
none
Liquefied gas
Cold sensation followed by redness of the skin.
Frostbite
Prolonged skin contact may defat the skin and produce dermatitis.
Eye effect
-
gas
Irritation
Liquefied gas
Severe eye irritation
Lachrymation
Redness
Swelling of tissue
Causes frostbite burns to eyes.
Ingestion effect
-
Not applicable
Chronic effects
-
This product does not contain any ingredient designated by IARC or ACGIH as probable or suspected human
carcinogens.
SECTION 3: Composition/information on ingredients
3.1 Information on Components and Impurities
WHMIS Hazardous Ingredients and Impurities
Sulfur hexafluoride
Identification number
CAS-No.
2551-62-4
>= 95
Thionyl difluoride
7783-42-8
<5
Disulfur decafluoride
5714-22-7
<5
Hydrogen fluoride
7664-39-3
< 0.3
Chemical Name
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Concentration [%]
SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
SECTION 4: First aid measures
4.1 Description of first-aid measures
In case of inhalation
-
Remove to fresh air.
Oxygen or artificial respiration if needed.
If symptoms persist, call a physician.
Exposure to decomposition products
- If inhaled
- Remove to fresh air.
- Immediate medical attention is required.
In case of skin contact
-
Allow to evaporate.
Rinse with lukewarm running water.
If symptoms persist, call a physician.
In case of eye contact
-
Keep eyelids open to allow evaporation of product.
Rinse thoroughly with plenty of water, also under the eyelids.
If eye irritation persists, consult a specialist.
In case of ingestion
-
Not applicable
4.2 Most important symptoms and effects, both acute and delayed
In case of inhalation
Symptoms
- narcosis
- Cough
- Asphyxia
- At high concentrations:
- Chemical pneumonitis
- chronic bronchitis
Effects
- Risk of cardiac and nervous disorders.
- Risk of: Lung edema
In case of skin contact
Symptoms
- Cold sensation followed by redness of the skin.
- Frostbite
Effects
- gas
- none
- Liquefied gas
- Prolonged skin contact may defat the skin and produce dermatitis.
In case of eye contact
Symptoms
- Irritation
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
-
Lachrymation
Redness
Swelling of tissue
Effects
- gas
- Liquefied gas
- Severe eye irritation
- Causes frostbite burns to eyes.
In case of ingestion
Effects
- Not applicable
4.3 Indication of any immediate medical attention and special treatment needed
Notes to physician
-
Immediate medical attention is not required.
When symptoms persist or in all cases of doubt seek medical advice.
SECTION 5: Firefighting measures
Flash point
Not applicable
Autoignition temperature
no data available
Flammability / Explosive limit
no data available
5.1 Extinguishing media
Suitable extinguishing media
-
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable extinguishing media
-
None.
5.2 Special hazards arising from the substance or mixture
Specific hazards during fire fighting
-
The product is not flammable.
Heating can release hazardous gases.
Container may explode if heated.
Hazardous combustion products:
-
Gaseous hydrogen fluoride (HF).
Sulfur oxides
Sulfur compounds
The release of other hazardous decomposition products is possible.
5.3 Advice for firefighters
Special protective equipment for fire-fighters
-
Wear self-contained breathing apparatus and protective suit.
Fire fighters must wear fire resistant personnel protective equipment.
Wear chemical resistant oversuit
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
-
Protect intervention team with a water spray as they approach the fire.
Clean contaminated surface thoroughly.
Further information
-
Approach from upwind.
Evacuate personnel to safe areas.
Keep containers and surroundings cool with water spray.
After the fire, proceed rapidly with cleaning of surfaces exposed to the fumes in order to limit equipment damage.
SECTION 6: Accidental release measures
6.1 Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel
-
Prevent further leakage or spillage if safe to do so.
Keep away from incompatible products
Advice for emergency responders
-
Approach from upwind.
Suppress (knock down) gases/vapors/mists with a water spray jet.
Avoid spraying the leak source.
Try to re-position leaking containers, to have the leak in the gaseous phase.
Vapors are heavier than air and can cause suffocation by reducing oxygen available for breathing.
Keep away from open flames, hot surfaces and sources of ignition.
6.2 Environmental precautions
-
Should not be released into the environment.
6.3 Methods and materials for containment and cleaning up
-
Allow to evaporate.
Prevent product from entering sewage system.
6.4 Reference to other sections
-
no data available
SECTION 7: Handling and storage
7.1 Precautions for safe handling
-
Used in closed system
Use only in well-ventilated areas.
Use only equipment and materials which are compatible with the product.
Prevent any product decomposition from contacting hot spots.
Prevent product vapors decomposition from electric arc action (welding).
Keep away from incompatible products
Hygiene measures
-
When using do not eat, drink or smoke.
Gloves, overalls and boots have to be double layered (protection against cold temperature).
Handle in accordance with good industrial hygiene and safety practice.
7.2 Conditions for safe storage, including any incompatibilities
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Technical measures/Storage conditions
-
Keep in a cool, well-ventilated place.
Store in a receptacle equipped with a vent.
Store in upright position only.
-
Refer to protective measures listed in sections 7 and 8.
Keep away from heat/sparks/open flames/hot surfaces. No smoking.
Packaging material
Suitable material
- Steel drum
7.3 Specific end use(s)
-
Contact your supplier for additional information
SECTION 8: Exposure controls/personal protection
Introductory Remarks: These recommendations provide general guidance for handling this product. Because specific work
environments and material handling practices vary, safety procedures should be developed for each intended application. Assistance
with selection, use and maintenance of worker protection equipment is generally available from equipment manufacturers.
8.1 Control parameters
Components with workplace occupational exposure limits
Consult local authorities for acceptable exposure limits.
Ingredients
Sulfur hexafluoride
Value type
TWA
Value
1,000 ppm
Basis
American Conference of Governmental
Industrial Hygienists
2.5 mg/m3
American Conference of Governmental
Industrial Hygienists
Asphyxia
Thionyl difluoride
TWA
Bone damage, Fluorosis, Substances for which there is a Biological Exposure Index or
Indices (see BEI® section), Not classifiable as a human carcinogen, varies
Expressed as :Fluorine
Disulfur decafluoride
C
0.01 ppm
American Conference of Governmental
Industrial Hygienists
Upper Respiratory Tract irritation, Lung damage
Biological Exposure Indices
Ingredients
Thionyl difluoride
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Value type
BEI
Value
2 mg/l
Fluoride
Urine
Prior to shift (16 hours
after exposure ceases)
Basis
American Conference of Governmental
Industrial Hygienists
SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Thionyl difluoride
BEI
3 mg/l
Fluoride
Urine
End of shift (As soon as
possible after exposure
ceases)
American Conference of Governmental
Industrial Hygienists
Disulfur decafluoride
BEI
2 mg/l
Fluoride
Urine
Prior to shift (16 hours
after exposure ceases)
American Conference of Governmental
Industrial Hygienists
Disulfur decafluoride
BEI
3 mg/l
Fluoride
Urine
End of shift (As soon as
possible after exposure
ceases)
American Conference of Governmental
Industrial Hygienists
8.2 Exposure controls
Control measures
Engineering measures
- Ensure adequate ventilation.
- Apply technical measures to comply with the occupational exposure limits.
Individual protection measures
Respiratory protection
- Self-contained breathing apparatus in confined spaces/insufficient oxygen/in case of large uncontrolled
emissions/in all circumstances when the mask and cartridge do not give adequate protection.
- Use only respiratory protection that conforms to international/ national standards.
- In the case of vapor formation use a respirator with an approved filter.
- Use NIOSH approved respiratory protection.
Hand protection
- Take note of the information given by the producer concerning permeability and break through times, and of special
workplace conditions (mechanical strain, duration of contact).
- Protective gloves
Suitable material
- Copolymer VF2-HFP (fluoroelastomer)
Eye protection
- Chemical resistant goggles must be worn.
Skin and body protection
- Wear suitable protective clothing.
Hygiene measures
- When using do not eat, drink or smoke.
- Gloves, overalls and boots have to be double layered (protection against cold temperature).
- Handle in accordance with good industrial hygiene and safety practice.
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
SECTION 9: Physical and chemical properties
Physical and Chemical properties here represent typical properties of this product. Contact the business area using the Product
information phone number in Section 1 for its exact specifications.
9.1 Information on basic physical and chemical properties
Appearance
Form:
Physical state:
Color:
Odor
pungent
Odor Threshold
no data available
pH
2.0 - 5.0
Liquefied gas
gaseous
colorless
colorless
pKa:
Not applicable
Melting point/range
-59.4 °F (-50.8 °C)
Sulfur hexafluoride
Boiling point/boiling range
-82.8 °F (-63.8 °C)
Sublimation point, Sulfur hexafluoride
Flash point
Not applicable
Evaporation rate (Butylacetate = 1)
no data available
Flammability (solid, gas)
The product is not flammable.
Flammability (liquids)
Not applicable
Flammability / Explosive limit
Explosiveness:
Not explosive
Autoignition temperature
no data available
Vapor pressure
16,051.32 mmHg (21,400 hPa) ( 68 °F (20 °C))
Vapor density
5.1
Sulfur hexafluoride
Density
Bulk density:
Solubility
Water solubility :
0.04 g/l ( 68 °F (20 °C))
slightly soluble
Not applicable
Solubility in other solvents:
Alcohol : slightly soluble
Ether : slightly soluble
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Partition coefficient: n-octanol/water
log Pow: 1.68
Thermal decomposition
392 °F (200 °C)
Decomposition under influence of moisture is highly accelerated by heating.
1472 °F (800 °C)
Viscosity
Viscosity, dynamic :
Explosive properties
no data available
Oxidizing properties
no data available
Not applicable
9.2 Other information
Henry's Constant
ca. 458000 Pa.m3 / mol ( 77 °F (25 °C))
Method: Calculation method
considerable volatility, Air, Sulfur hexafluoride
Molecular weight
146 g/mol
SECTION 10: Stability and reactivity
10.1 Reactivity
-
Decomposition under influence of moisture is highly accelerated by heating.
10.2 Chemical stability
-
Stable under recommended storage conditions.
Vapors are heavier than air and may spread along floors.
10.3 Possibility of hazardous reactions
-
no data available
-
Polymerization
Hazardous polymerization does not occur.
10.4 Conditions to avoid
-
Heat.
10.5 Incompatible materials
-
Oxidizing agents
10.6 Hazardous decomposition products
-
Gaseous hydrogen fluoride (HF).
Sulfur oxides
Sulfur compounds
The release of other hazardous decomposition products is possible.
Thionyl difluoride
Disulfur decafluoride
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity
Acute oral toxicity
Acute inhalation toxicity
Sulfur hexafluoride
Not applicable
Very low
Disulfur decafluoride
LC50 - 10 min : 0.1 - 0.9 mg/l - Various species
Hydrogen fluoride
LC50 - 1 h : 2240 ppm - Rat , male
dry air
LC50 - 1 h : 2340 ppm - Rat , male
Humid air
Asphyxiation Hazard
This product is a simple asphyxiant.
Acute dermal toxicity
Not applicable
Acute toxicity (other routes of
administration)
no data available
Skin corrosion/irritation
Sulfur hexafluoride
Rat
No skin irritation
Skin corrosion/irritation
Hydrogen fluoride
Corrosive
Serious eye damage/eye irritation
Sulfur hexafluoride
Rat
No eye irritation
Hydrogen fluoride
Corrosive
Respiratory or skin sensitization
Not applicable
Mutagenicity
Genotoxicity in vitro
Sulfur hexafluoride
Hydrogen fluoride
In vitro tests did not show mutagenic effects
in vitro test
Tests on bacterial or mammalian cell cultures did not show mutagenic effects.
Genotoxicity in vivo
Sulfur hexafluoride
In vivo tests did not show mutagenic effects
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Carcinogenicity
Sulfur hexafluoride
Animal testing did not show any carcinogenic effects.
This product does not contain any ingredient designated as probable or suspected human carcinogens by:
IARC
ACGIH
Toxicity for reproduction and development
Toxicity to reproduction / fertility
no data available
Developmental Toxicity/Teratogenicity no data available
STOT
STOT-single exposure
Thionyl difluoride
STOT-repeated exposure
Sulfur hexafluoride
Corrosive to respiratory system.
The substance or mixture is not classified as specific target organ toxicant,
repeated exposure.
Hydrogen fluoride
The substance or mixture is not classified as specific target organ toxicant,
repeated exposure.
Sulfur hexafluoride
Inhalation Prolonged exposure - Humans
no observed effect
Hydrogen fluoride
Inhalation - Rat
NOAEC: 0.00072 mg/l 0.88 ppm
Target Organs: Respiratory Tract, Bone, Teeth, Kidney
Aspiration toxicity
Sulfur hexafluoride
Further information
Not applicable
Presents a risk due to the presence of possible contaminants.
SECTION 12: Ecological information
12.1 Toxicity
Aquatic Compartment
Acute toxicity to fish
Sulfur hexafluoride
Toxicity to aquatic plants
Sulfur hexafluoride
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LC50 - 96 Days : 236 mg/l - Fish
Test substance: Water
Method: Calculation method
EC50 - 96 h : 151 mg/l - Algae
Water
SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Chronic toxicity to fish
Sulfur hexafluoride
LC50: 236 mg/l - 96 Days - Fish
Method: Calculation method
Water
12.2 Persistence and degradability
Abiotic degradation
Stability in water
Sulfur hexafluoride
Photodegradation
Sulfur hexafluoride
t 1/2 (Hydrolysis):
Hydrolysis time: > 1,000 y
non-significant hydrolysis, Medium, Water, Soil
Half-life indirect photolysis: > 1,000 y
Air
non-significant photolysis
Biodegradation
Biodegradability
The methods for determining biodegradability are not applicable to inorganic
substances.
12.3 Bioaccumulative potential
Bioconcentration factor (BCF)
Does not bioaccumulate.
12.4 Mobility in soil
Adsorption potential (Koc)
Sulfur hexafluoride
Soil/sediments
non-significant adsorption
Water
Half-life value: 3.5 h
Method: Calculation method
The product evaporates readily.
12.5 Results of PBT and vPvB assessment
no data available
12.6 Other adverse effects
no data available
Remarks
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Product Disposal
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This product has no known ecotoxicological effects., Product is persistent in air.,
Other dangerous properties can not be excluded.
SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
-
In accordance with local and national regulations.
Refer to manufacturer/supplier for information on recovery/recycling.
Advice on cleaning and disposal of packaging
-
To avoid treatments, as far as possible, use dedicated containers.
SECTION 14: Transport information
Transportation status: IMPORTANT! Statements below provide additional data on listed transport classification.
The listed Transportation Classification does not address regulatory variations due to changes in package size, mode of shipment or
other regulatory descriptors.
TDG
14.1 UN number
UN 3308
14.2 Proper shipping name
LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S. (Sulphur Hexafluoride,
Hydrogen fluoride)
14.3 Transport hazard class
Subsidiary hazard class
Label(s)
2.3
8
2.3 (8)
14.4 Packing group
Packing group
ERG No
123
14.5 Environmental hazards
Marine pollutant
NO
DOT
14.1 UN number
UN 3308
14.2 Proper shipping name
LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S. (Sulphur Hexafluoride,
Hydrogen fluoride)
14.3 Transport hazard class
Subsidiary hazard class
Label(s)
2.3
8
2.3 (8)
14.4 Packing group
Packing group
ERG No
123
14.5 Environmental hazards
Marine pollutant
NO
NOM
14.1 UN number
UN 3308
14.2 Proper shipping name
LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S. (Sulphur Hexafluoride,
Hydrogen fluoride)
14.3 Transport hazard class
Subsidiary hazard class
2.3
8
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
Label(s)
2.3 (8)
14.4 Packing group
Packing group
ERG No
123
14.5 Environmental hazards
Marine pollutant
NO
IMDG
14.1 UN number
UN 3308
14.2 Proper shipping name
LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S. (Sulphur Hexafluoride,
Hydrogen fluoride)
14.3 Transport hazard class
Subsidiary hazard class
Label(s)
2.3
8
2.3 (8)
14.4 Packing group
Packing group
14.5 Environmental hazards
Marine pollutant
14.6 Special precautions for user
EmS
NO
F-C , S-U
For personal protection see section 8.
IATA
14.1 UN number
UN 3308
14.2 Proper shipping name
Not permitted for transport
14.3 Transport hazard class
Not permitted for transport
14.4 Packing group
Packing instruction (cargo aircraft)
Packing instruction (passenger aircraft)
Not permitted for transport
Not permitted for transport
14.5 Environmental hazards
NO
14.6 Special precautions for user
For personal protection see section 8.
Note: The above regulatory prescriptions are those valid on the date of publication of this sheet. Given the possible evolution of
transportation regulations for hazardous materials, it would be advisable to check their validity with your sales office.
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SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
SECTION 15: Regulatory information
15.1Notification status
Inventory Information
United States TSCA Inventory
Status
- One or more components not listed on
inventory
Mexico INSQ (INSQ)
-
One or more components not listed on
inventory
Canadian Domestic Substances List (DSL)
-
One or more components not listed on
inventory
New Zealand. Inventory of Chemical Substances
-
In compliance with the inventory
Australia Inventory of Chemical Substances (AICS)
-
One or more components not listed on
inventory
Japan. CSCL - Inventory of Existing and New Chemical Substances
-
One or more components not listed on
inventory
Korea. Korean Existing Chemicals Inventory (KECI)
-
One or more components not listed on
inventory
China. Inventory of Existing Chemical Substances in China (IECSC)
-
One or more components not listed on
inventory
Philippines Inventory of Chemicals and Chemical Substances (PICCS)
-
One or more components not listed on
inventory
15.2 WHMIS (Workplace Hazardous Materials Information System) Classification
This product has been classified according to the hazard criteria of the CPR and the MSDS contains all of the information required by
the CPR.
Classification
A: Compressed Gas
D1A:Very Toxic Material Causing Immediate and Serious Toxic Effects
E:Corrosive Material
15.3 Other regulations
no data available
SECTION 16: Other information
NFPA (National Fire Protection Association) - Classification
Health
Flammability
Instability or Reactivity
Special Notices
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3 serious
0 minimal
0 minimal
None
SAFETY DATA SHEET
USED SULFUR HEXAFLUORIDE
Revision Date 05/01/2015
HMIS (Hazardous Materials Identification System (Paint & Coating)) - Classification
Health
Flammability
Reactivity
PPE
3 serious
0 minimal
0 minimal
Determined by User; dependent on local conditions
Key or legend to abbreviations and acronyms used in the safety data sheet
-
C
TWA
ACGIH
OSHA
NTP
IARC
NIOSH
Ceiling limit
8-hour, time-weighted average
American Conference of Governmental Industrial Hygienists
Occupational Safety and Health Administration
National Toxicology Program
International Agency for Research on Cancer
National Institute for Occupational Safety and Health
The information provided in this Safety Data Sheet is correct to the best of our knowledge, information, and belief at the date of its
publication. Such information is only given as a guidance to help the user handle, use, process, store, transport, dispose, and release
the product in satisfactory safety conditions and is not to be considered as a warranty or quality specification. It should be used in
conjunction with technical sheets but do not replace them. Thus, the information only relates to the designated specific product and may
not be applicable if such product is used in combination with other materials or in any other manufacturing process, unless otherwise
specifically indicated. It does not release the user from ensuring he is in conformity with all regulations linked to its activity.
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