Material Safety Data Sheet
5% Hydrogen, Balance Nitrogen
Arcet, Inc
1700 CHAMBERLAYNE AVE
RICHMOND, VA 23222
phone: (804) 644-4521
fax: (804) 788-8904
http://www.arcet.com
Section 1: Product and Company Identification
Arcet, Inc
1700 CHAMBERLAYNE AVE
RICHMOND, VA 23222
phone: (804) 644-4521
fax: (804) 788-8904
http://www.arcet.com
Product Code: 5% Hydrogen, Balance Nitrogen
Part Number: NM HY5-K
Gas Name Concentration
Hydrogen
5%
Nitrogen
Balance
Chemical Substance
Hydrogen
HYDROGEN
Nitrogen
NITROGEN, COMPRESSED
GAS
Chemical
Family
inorganic, gas
inorganic, gas
Trade Names
HYDROGEN GAS; HYDROGEN COMPRESSED; HYDROGEN (H2);
DIHYDROGEN; UN 1049; H2
DIATOMIC NITROGEN; DINITROGEN; NITROGEN; NITROGEN-14;
NITROGEN GAS; UN 1066; N2
Section 2: Hazards Identification
Hydrogen
Nitrogen
Description
Colorless, odorless
Flammable gas. May cause flash fire.
Colorless, odorless
Containers may rupture or explode if exposed to heat.
Main Health Hazard
Difficulty breathing
Difficulty breathing
Likely Routes of Exposure:
Inhalation
Ingestion
Eye
Skin
Health
Effects
Target
Organs
Nausea, vomiting, difficulty
breathing, irregular heartbeat,
headache, fatigue, dizziness,
disorientation, mood swings,
tingling sensation, loss of
coordination, convulsions,
unconsciousness, coma
Nausea, vomiting, difficulty
breathing, headache, drowsiness,
dizziness, tingling sensation, loss
of coordination, convulsions, coma
Ingestion of
a gas is
unlikely
Not irritating
Not irritating
Difficulty
breathing
Respiratory
system
Contact with
No
Difficulty
rapidly
information on breathing
expanding gas
significant
may cause
adverse
burns or
effects
frostbite
This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200).
Respiratory
system
Hydrogen
Nitrogen
Ingestion of
a gas is
unlikely
Arcet, Inc
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Medical
Condition
Aggravated by
Pre-existing
conditions of
the respiratory
system
Pre-existing
conditions of
respiratory
system.
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Section 3: Composition/Information on Ingredients
Hydrogen
Nitrogen
CAS #
1333-74-0
7727-37-9
% by Weight
5%
Balance
Section 4: First Aid Measures
Skin Contact
Eye Contact
Ingestion
Inhalation
Hydrogen
Wash exposed
skin with soap
and water.
Flush eyes
with plenty of
water.
If a large amount is
swallowed, get
medical attention.
Nitrogen
Wash exposed
skin with soap
and water.
Flush eyes
with plenty of
water.
If a large amount is
swallowed, get
medical attention.
If adverse effects occur, remove to uncontaminated area.
Give artificial respiration if not breathing. If breathing is
difficult, oxygen should be administered by qualified
personnel. Get immediate medical attention.
If adverse effects occur, remove to uncontaminated area.
Give artificial respiration if not breathing. If breathing is
difficult, oxygen should be administered by qualified
personnel. Get immediate medical attention.
Note to
Physicians
For inhalation,
consider
oxygen.
For inhalation,
consider
oxygen.
Section 5: Fire Fighting Measures
Suitable Extinguishing Media
Hydrogen
Carbon dioxide, regular dry chemical Large fires: Flood
with fine water spray.
Products of
Combustion
None known
Protection of Firefighters


Nitrogen
Non-flammable. Use suitable extinguishing media for
surrounding fire. Cylinders may rupture or explode if
exposed to heat.
Non-flammable

Any self-contained breathing apparatus
with a full facepiece.
Any self-contained breathing apparatus
with a full facepiece.
Respiratory protection may be needed
for frequent or heavy exposure.
Section 6: Accidental Release Measures
Hydrogen
Nitrogen
Hydrogen
Nitrogen
Personal Precautions
Keep unnecessary people away, isolate hazard area and deny
entry. Do not touch spilled material. Ventilate closed spaces
before entering.
Keep unnecessary people away, isolate hazard area and deny
entry. Stay upwind and keep out of low areas.
Methods for Cleanup
Stop leak if possible without personal risk.
N/A
Environmental Precautions
Avoid heat, flames, sparks and
other sources of ignition.
Methods for Containment
Reduce vapors with water spray.
Remove sources of ignition.
No significant effects from
contamination expected.
Stop leak if possible without
personal risk.
Other Information
None
N/A
Section 7: Handling and Storage
Hydrogen
Nitrogen
Handling
Store and handle in accordance with all current regulations and standards. Grounding and bonding
required. Subject to storage regulations: U.S. OSHA 29 CFR 1910.101.
Store and handle in accordance with all current regulations and standards. Subject to storage
regulations: U.S. OSHA 29 CFR 1910.101.
Arcet, Inc
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Storage
Keep separated from
incompatible substances.
Keep separated from
incompatible substances.
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Section 8: Exposure Controls/Personal Protection
Hydrogen
Nitrogen
Exposure Guidelines
HYDROGEN: ACGIH (simple asphyxiant)
NITROGEN, COMPRESSED GAS: NITROGEN: ACGIH (simple asphyxiant)
Engineering Controls
Handle only in fully enclosed systems.
Eye Protection
Hydrogen Eye protection not required, but
recommended.
Nitrogen
Eye protection not required, but
recommended.
Skin Protection
Protective clothing is not
required.
Protective clothing is not
required.
Respiratory Protection
Any self-contained breathing apparatus with a full
facepiece.
Respiratory protection may be needed for frequent or
heavy exposure.
General Hygiene considerations
 Avoid breathing vapor or mist
 Avoid contact with eyes and skin
 Wash thoroughly after handling and before eating or drinking
Section 9: Physical and Chemical Properties
Hydrogen
Nitrogen
Hydrogen
Nitrogen
Hydrogen
Nitrogen
Physical State
Gas
Gas
Appearance
Colorless
Clear
Color
Colorless
Colorless
Change in Appearance
N/A
N/A
Flash Point
Flammability
Flammable gas (burns at all
ambient temperatures)
Not flammable
Boiling
Point
-423 F
(-253
C)
-321 F
(-196
C)
Freezing
Point
-434 F (259 C)
-346 F (210 C)
Vapor
Pressure
760
mmHg @
-253 C
760
mmHg @
-196 C
Hydrogen
Molecular
Weight
2
Molecular
Formula
H2
Nitrogen
28.0134
N2
Physical Form
Gas
Gas
Odor
Odorless
Odorless
Taste
Tasteless
Tasteless
Not available
Partition
Coefficient
Not available
Autoignition
Temperature
752 F (400 C)
Upper Explosive
Limits
0.75
Lower Explosive
Limits
0.04
Not available
Not available
Nonflammable
Nonflammable
Nonflammable
Vapor
Density
0.07
Specific
Gravity
Not
applicable
Water
Solubility
1.82% @
20 C
pH
0.967
Not
applicable
1.6% @
20 C
Density
0.08987 g/L @
0C
1.2506 g/L
Not
applicable
Odor
Threshold
Not
available
Evaporation
Rate
Not
applicable
Not
applicable
Not
available
Not
applicable
Weight per
Gallon
Not available
Volatility by
Volume
Not available
Not available
100%
Viscosity
0.008957
cP @
26.8 C
0.01787
cP @ 27
C
Volatility
Solvent Solubility
Not
applicable
1
Soluble: Not
available
Soluble: Liquid
ammonia
Section 10: Stability and Reactivity
Hydrogen
Nitrogen
Hydrogen
Stability
Stable at normal
temperatures and
pressure.
Stable at normal
temperatures and
pressure.
Conditions to Avoid
Stable at normal
temperatures and
pressure.
Stable at normal
temperatures and
pressure.
Hazardous Decomposition Products
Miscellaneous decomposition products
Incompatible Materials
Metals, oxidizing materials, metal oxides, combustible materials, halogens,
metal salts, halo carbons, nitrogen triflouride, oxygen diflouride, magnesium
and calcium carbonate, sodium, potassium
Metals, oxidizing materials
Possibility of Hazardous Reactions
Will not polymerize.
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Nitrogen
Hazardous Decomposition Products
Oxides of nitrogen
Possibility of Hazardous Reactions
Will not polymerize.
Section 11: Toxicology Information
Acute Effects
Oral LD50
Hydrogen
Nitrogen
Hydrogen
Nitrogen
Not
available
Not
available
Dermal
LD50
Not
available
Not
available
Inhalation
Nausea, vomiting, difficulty breathing, irregular heartbeat, headache, fatigue, dizziness, disorientation,
mood swings, tingling sensation, loss of coordination, convulsions, unconsciousness, coma
Nausea, vomiting, difficulty breathing, headache, drowsiness, dizziness, tingling sensation, loss of
coordination, convulsions, coma
Eye Irritation
Not irritating
Contact with rapidly expanding gas may cause burns or frostbite
Skin Irritation
Not irritating
No information on significant adverse effects
Sensitization
Difficulty breathing
Difficulty breathing
Chronic Effects
Hydrogen
Nitrogen
Carcinogenicity
Not available
Not hazardous
Mutagenicity
Not available
Not available
Reproductive Effects
Not available
Not available
Developmental Effects
No data
No data
Section 12: Ecological Information
Fate and Transport
Hydrogen
Nitrogen
Eco toxicity
Fish toxicity: Not available
Invertibrate toxicity: Not available
Algal toxicity: Not available
Phyto toxicity: Not available
Other toxicity: Not available
Fish toxicity: Not available
Invertibrate toxicity: Not available
Algal toxicity: Not available
Phyto toxicity: Not available
Other toxicity: Not available
Persistence / Degradability
Not available
Bioaccumulation / Accumulation
Not available
Mobility in Environment
Not available
Not available
Not available
Not available
Section 13: Disposal Considerations
Hydrogen
Nitrogen
Dispose in accordance with all applicable regulations. Subject to disposal regulations: U.S. EPA 40 CFR 262. Hazardous Waste
Number(s): D001.
Dispose in accordance with all applicable regulations.
Section 14: Transportation Information
U.S. DOT 49 CFR 172.101
Hydrogen
Nitrogen
Proper
Shipping
Name
ID
Number
Hazard
Class or
Division
Packing
Group
Labeling
Requirements
Cargo Aircraft
Only Quantity
Limitations
Additional
Shipping
Description
2.1
Passenger
Aircraft or
Railcar Quantity
Limitations
Forbidden
Hydrogen,
compressed
Nitrogen,
compressed
UN1049
2.1
UN1066
2.2
Not
applicable
Not
applicable
150 kg
None
2.2
75 kg or L
150 kg
N/A
Canadian Transportation of Dangerous Goods
Shipping Name
UN Number
Class
Packing Group / Risk Group
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Hydrogen
Nitrogen
Hydrogen, compressed
Nitrogen, compressed
UN1049
UN1066
2.1
2.2
Not applicable
Not applicable
Section 15: Regulatory Information
U.S. Regulations
Hydrogen
Nitrogen
CERCLA Sections
Not regulated.
Not regulated.
SARA 355.30
Not regulated.
Not regulated.
SARA 355.40
Not regulated.
Not regulated.
SARA 370.21
Hydrogen
Nitrogen
Acute
Yes
Yes
Chronic
No
No
Fire
Yes
No
Reactive
No
No
Sudden Release
Yes
Yes
SARA 372.65
Hydrogen
Nitrogen
Not regulated.
Not regulated.
OSHA Process Safety
Hydrogen
Nitrogen
Not regulated.
Not regulated.
State Regulations
Hydrogen
Nitrogen
CA Proposition 65
Not regulated.
Not regulated.
Canadian Regulations
Hydrogen
Nitrogen
WHMIS Classification
A, B1.
A
National Inventory Status
Hydrogen
Nitrogen
US Inventory (TSCA)
Listed on inventory.
Listed on inventory.
TSCA 12b Export Notification
Not listed.
Not listed.
Canada Inventory (DSL/NDSL)
Listed on inventory.
Listed on inventory.
Section 16: Other Information
NFPA Rating
Hydrogen HEALTH=0 FIRE=4 REACTIVITY=0
Nitrogen
HEALTH=1 FIRE=0 REACTIVITY=0
0 = minimal hazard, 1 = slight hazard, 2 = moderate hazard, 3 = severe hazard, 4 = extreme hazard
Arcet, Inc
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