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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
1. Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
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Trade name: Hexachlorodisilane, for synthesis
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Relevant identified uses of the substance or mixture and uses advised against
Silane chemistry
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Application of the substance / the preparation
Precursor for CVD of silicon containing layers and growth of silicon nano wires
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Details of the supplier of the safety data sheet
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Manufacturer/Supplier:
PSC
Polysilane Chemicals GmbH
Operating site:
Kunstseidestr. 6
D - 06766 Bitterfeld-Wolfen/ OT Wolfen
Germany
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Informing department:
Phone.: +49(0)3494 638296
Email: [email protected]
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Emergency telephone number:
Phone.: +49(0)160 91329101
2. Hazards identification
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Classification of the substance or mixture
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Classification according to Regulation (EC) No 1272/2008
GHS05 corrosive
Skin Corr. 1B H314 Causes severe skin burns and eye damage.
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Classification according to Directive 67/548/EEC or 1999/45/EC
C; Corrosive
R34: Causes burns.
R14: Reacts violently with water.
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Classification system:
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
The classification is in line with current EC lists. It is expanded, however, by information
from technical literature and by information furnished by supplier companies.
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Label elements
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Labelling according to Regulation (EC) No 1272/2008
The substance is classified and labelled according to the CLP regulation.
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hazard pictograms
GHS05
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Signal word: Danger
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Hazard-determining components of labelling: Hexachlorodisilane
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Hazard statements
H314 Causes severe skin burns and eye damage.
EUH014 Reacts violently with water.
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Precautionary statements
P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P103: Read label before use.
P223: Keep away from any possible contact with water, because of violent reaction and
possible flash fire.
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses if present and easy to do – continue rinsing.
P361: Remove/Take off immediately all contaminated clothing.
P308+313: If exposed or concerned: Get medical advice/attention.
P314: Get medical advice/attention if you feel unwell.
P370+378: In case of fire: Use CO2, sand, extinguishing powder for extinction.
P405: Store locked up.
P402+404: Store in a dry place. Store in a closed container.
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according to 1907/2006/EC, Article 31
Version 1.1
Printing date: 22.01.2015
Revision: 22.01.2015
P501: Dispose off contents/container in accordance with local/regional/national/
international regulations.
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Other hazards
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Results of PBT and vPvB assessment
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PBT: not applicable.
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vPvB: Not applicable.
3. Composition/information on ingredients
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Chemical characterization: Substances
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CAS No. Designation:
13465-77-5 Hexachlorodisilane
Chemical formula Si2Cl6
EINECS-Number
Molar mass
236-704-1
268,86 g/mol
4. First aid measures
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Description of first aid measures
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General information: Instantly remove any clothing soiled by the product.
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After inhalation
Supply fresh air. If required, provide artificial respiration.
Call a physician immediately.
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After skin contact
Remove mechanically (e.g. dab away using wadding of cellulose material) then thoroughly
wash affected skin with a mild cleansing agent and water.
After strong moistening and congestion of skin pores, do not rinse with water, apply light
oil.
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After eye contact
Rinse opened eye for several minutes under running water (> 15min). Then consult
physician.
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After swallowing
Do not induce vomiting; instantly call for medical help.
If accidentally swallowed rinse mouth with plenty of water (only if the person is conscious).
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Information for physician
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Indication of any immediate medical attention and special treatment needed
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Symptomatic treatment.
5. Firefighting measures
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Extinguishing media
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Suitable extinguishing agents
Fire-extinguishing powder
Carbon dioxide
Dry sand
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For safety reasons unsuitable extinguishing agents: Water, foam, halon.
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Special hazards arising from the substance or mixture
Heating causes rise in pressure with risk of bursting.
Formation of poisonous gases during heating or in fires.
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Advice for firefighters
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Protective equipment:
Wear self-contained breathing apparatus.
Wear full protective suit
6. Accidental release measures
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Personal precautions, protective equipment and emergency procedures
Wear protective equipment. Keep unprotected persons away.
Do not inhale gases/fumes/aerosols.
Ensure adequate ventilation.
Bring persons out of danger.
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Environmental precautions:
Do not allow to enter drainage system, surface or ground water.
Do not allow to enter the ground/soil.
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Methods and material for containment and cleaning up:
Take up with dry chemical binding agents.
Remove residue carefully.
Dispose off the material collected according to regulations.
Ensure adequate ventilation.
Do not flush with water or aqueous cleansing agents.
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Reference to other sections
See Section 8 for information on personal protection equipment.
See Section 13 for information on disposal.
Revision: 22.01.2015
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
Adsorbed material may be flammable and sensitive to friction or shock. Dispose off waste
professionally.
7. Handling and storage
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Handling
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Precautions for safe handling
Do not inhale gases/fumes/aerosols.
Avoid skin contact.
Protect from humidity and keep away from water.
Avoid contact with air /oxygen.
Handle under protective gas (counter flow).
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Information about protection against explosions and fires:
Dispose off old and/or defect/corroded packaging professionally.
Prevent impact and friction.
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Conditions for safe storage, including any incompatibilities
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Storage
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Requirements to be met by storerooms and containers:
Storerooms have to be dry, well ventilated and easy accessible.
Use corrosion-resistant and sealed tanks for moisture sensitive liquids.
Handle and store under protective gas.
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Information about storage in one common storage facility:
Store away from oxidizing agents.
Do not store together with acids.
Do not store together with alkalis (caustic solutions).
Do not store together with alcohols.
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Further information about storage conditions: Protect from humidity and keep away from
water.
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Recommended storage temperature: < 25°C
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Storage class: LGK 8B (VCI-Concept)
8. Exposure controls/personal protection
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Additional information about design of technical systems: No further data; see section 7.
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Control parameters
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Components with limit values that require monitoring at the workplace: Not required.
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Additional information: The lists that were valid during the compilation were used as basis.
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Exposure controls
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Printing date: 22.01.2015
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Version 1.1
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Personal protective equipment
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General protective and hygienic measures
Revision: 22.01.2015
The usual precautionary measures should be adhered to general rules for handling
chemicals.
Avoid skin contact.
Take off immediately all contaminated clothing.
Do not eat, drink or smoke while working.
Be sure to clean skin thoroughly after work and before breaks.
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Breathing equipment:
Not necessary if handled under protective gas professionally and if room is well-ventilated.
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Protection of hands:
Protective gloves.
The protective gloves to be used must comply with the specifications of the EC directive
89/686/EEC and the resultant standard EN 374.
This recommendation applies only to the product stated in the Safety Data Sheet and
supplied by us as well as to the purpose specified by us.
Only use chemical-protective gloves with CE-labelling of category III.
Selection of the glove material on consideration of penetration times, rates of diffusion and
degradation
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Material of gloves
Nitrile rubber, NBR
Neoprene gloves
Natural rubber, NR
The selection of suitable gloves does not only depend on the material, but also on further
marks of quality and varies from manufacturer to manufacturer.
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Penetration time of glove material: Value for permeation: Level >= 6 (480min).
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Eye protection: Tightly sealed safety goggles.
Face protection: At least 20cm safety shield.
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Body protection: Protective work clothing.
9. Physical and chemical properties
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Information on basic physical and chemical properties
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General Information
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Appearance:
Form:
Fluid
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
Colour
Colourless
Odour
Odour of fumes are pungent.
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pH-value:
Not applicable.
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Change in condition
Melting point/Melting range
-1°C
Boiling point /range:
144-145°C
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Flash point:
79°C
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Ignition temperature:
Not determined
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Decomposition temperature:
Not determined
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Self-inflammability:
Not determined
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Danger of explosion:
Not determined
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Critical values for explosion:
Lower:
Not determined
Upper:
Not determined
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Vapout pressure:
Not determined
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Density at 20°C:
1,56g/cm3
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Solubility in /Miscibility with water:
Reacts violently with water.
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Viscosity:
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dynamic at 20°C:
1,656 mPa s (according to literature)
kinematic:
Not determined
Solvent content:
Organic solvents:
None.
10. Stability and reactivity
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Reactivity
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Chemical stability
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Thermal decomposition/conditions to be avoided
Protect from humidity and keep away from water.
Protect from heat and direct sunlight.
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Possibility of hazardous reactions
Reacts violently with water.
Reacts violently with strong alkalis and oxidizing agents.
Reacts violently with acids.
Reacts violently with alcohols.
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Safety data sheet
Printing date: 22.01.2015
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according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
Hazardous decomposition products:
Tetrachlorosilane, hydrogen chloride (HCl) and not completely hydrolysed residues of
hexachlorodisilane. In case of fire: Chlorine gas.
11. Toxicological information
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Information on toxicological effects
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Acute toxicity:
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LD/LC50 values that are relevant for classification: Not determined.
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Primary irritant effect:
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on the skin: Caustic effect on skin and mucous membranes.
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on the eye: strong caustic effect.
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Sensitization: no sensitizing effect known.
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Additional toxicological information: The product shows the following dangers according to
the calculation method of the General EC Classification Guidelines for Preparations as
issued in the latest version:
Caustic effects
By inhalation: May be harmful. The substance is causing damage to mucous membranes and
upper respiratory tract.
Skin: May be harmful by absorption through skin. Causes burns.
Eyes: Causes severe burns to the eyes.
If swallowed: Causes burns.
12. Ecological information
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Toxicity
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Acquatic toxicity: No further relevant information available.
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Persistence and degradability: Not determined.
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Bioaccumulative potential: Not determined.
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Ecotoxical effects: Not determined.
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Additional ecological information:
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General notes:
Water hazard class 3 (German Regulation) (Self-assessment): Highly water-endangering.
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Results of PBT and vPvB assessment
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PBT: Not applicable.
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vPvB: Not applicable.
13. Disposal considerations
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Waste treatment methods
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Safety data sheet
Printing date: 22.01.2015
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according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
Recommendation
After prior treatment product has to be disposed off in an incinerator for hazardous waste
under adherence to the regulations pertaining to the disposal of particularly hazardous waste.
Pre-treatment: Dissolve in combustible and inert solvent.
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Uncleaned packagings:
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Recommendation:
Contaminated packaging must be competely emptied.
Hand over to disposers of hazardous waste.
Packaging that cannot be cleaned has to be disposed off in the same manner as the product.
14. Transport information
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Land transport ADR/RID (cross-border)
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ADR/RID-GGVS/E Class:
Corrosive substances.
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Kemler Number:
X80
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UN-Number:
UN 2987
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Packaging group:
II
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Label:
8
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UN proper shipping name:
(Hexachlorodisilane)
CHLOROSILANES, CORROSIVE, N.O.S.
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Limited quantities (LQ):
LQ22
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Tunnel restriction code:
E
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Maritime transport IMDG:
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IMDG Class:
8
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UN-Number:
UN 2987
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Label
8
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Packaging group:
II
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EMS Number:
F-A, S-B
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
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Correct technical name:
(Hexachlorodisilane)
CHLOROSILANES, CORROSIVE, N.O.S.
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Air transport ICAO-TI and IATA-DGR:
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ICAO/IATA Class:
8
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UN/ID Number:
UN 2987
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Label
8
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Packaging group:
II
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Correct technical name:
(Hexachlorodisilane)
CHLOROSILANES, CORROSIVE, N.O.S.
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Remarks:
Packing instruction PAX 808, CAO 812
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UN „Model Regulation“:
UN2987, CHLOROSILANES, CORROSIVE, N.O.S., 8, II
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Special precautions for user: Warning Corrosive substances.
15. Regulatory information
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Safety, health and environmental regulations/legislation specific for the substance or
mixture.
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National regulations
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Water hazard class: Water hazard class 3 (self-assessment): Highly water-endangering.
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Chemical safety assessment: A Chemical Safety Assessment has not been carried out.
16. Other information
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Abbreviations and acronyms:
ADR: Accord europèen sur le transport des marchandises dangereuses par Route (European Agreement concerning the
international Carriage of Dangerous Goods by Road)
RID: Règlement international concernant le transport des marchandises dangereuses par chemin de fer (Regulations
Concerning the International Transport of Dangerous Goods by Rail)
IMDG: International Maritime Code for Dangerous Goods
IATA: International Air Transport Association
IATA-DGR: Dangerous Goods Regulations by the „International Air Transport Association“ (IATA)
ICAO: International Civil Aviation Organization
ICAO-TI: Technical Instructions by the „International Civil Aviation Organizaion“ (ICAO)
GHS: Globally Harmonized System of Classification and Labelling of Chemicals
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
LC50: Lethal concentration, 50 percent
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Safety data sheet
Printing date: 22.01.2015
according to 1907/2006/EC, Article 31
Version 1.1
Revision: 22.01.2015
LD50: Lethal dose, 50 percent
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Sources
Internal chemical and physical tests, technical literature, collection/book of formulae and
tables.
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Sources
Internal chemical and physical tests, technical literature, collection/book of formulae and
tables.
Applicabel EEC directives:
- 67/548
- 1999/45
- 1907/2006
- 1272/2008