17729-30-5

EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed.The toxicological properties of this material have not been fully investigated.Moisture sensitive.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
Poison by ingestion. The toxicological properties of this substance have not been fully investigated.
Inhalation:
The toxicological properties of this substance have not been fully investigated. Toxic if inhaled.
Chronic:
Not available.

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Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

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Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

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Section 7 - HANDLING and STORAGE
Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Keep under a nitrogen blanket.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 17729-30-5: United Kingdom, WEL - TWA: (listed as arsenic compounds, n.o.s.): mg/m3 TWA (except arsine, as As) United Kingdom, WEL - STEL: (listed as arsenic compounds, n.o.s.) 0.3 mg/m3 STEL (except arsine, as As) United States OSHA: 0.5 mg/m3 TWA (listed under Arsenic).
Belgium - TWA: (listed as arsenic): 0.01 mg/m3 VLE Japan: (listed as arsenic compounds, n.o.s.): 3 g/m3 OEL (refere value, as As) Malaysia: (listed as arsenic): 0.01 mg/m3 TWA Netherlands: (listed as arsenic): 0.050 mg/m3 MAC Russia: (listed as silica, amorphous): 1 mg/m3 TWA Spain: (listed as arsenic compounds, n.o.s.): 0.1 mg/m3 VLA-ED (a As) Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Clear liquid
Color: light brown
Odor: stench
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 50 - 53 deg C @ .75
Freezing/Melting Point: 0.5 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .9940g/cm3
Molecular Formula: (Si(CH3)3)As
Molecular Weight: 294.48

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, silicon dioxide, oxides of arsenic.
Hazardous Polymerization: Has not been reported.

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 17729-30-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
[Tris(trimethylsilyl)]arsenide - IARC: Group 1 carcinogen (listed as Arsenic).

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: ORGANOARSENIC COMPOUND, N.O.S.*
Hazard Class: 6.1
UN Number: 3280
Packing Group: III
IMO
Shipping Name: ORGANOARSENIC COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 3280
Packing Group: III
RID/ADR
Shipping Name: ORGANOARSENIC COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 3280
Packing group: III

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 23/25 Toxic by inhalation and if swallowed.
Safety Phrases:
S 20/21 When using do not eat, drink or smoke.
S 28A After contact with skin, wash immediately with
plenty of water.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 17729-30-5: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 17729-30-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 17729-30-5 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A