3385-78-2

Synonym:Indium, trimethyl

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound3385-78-2100%0.1mg/m3 (as In)no data

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Section 3: Hazards Identification
Pyrophoric material. Ignites spontaneously on contact with air causing thermal burns. Burning solid/liquid
Emergency Overview:
clings to clothing and skin.
Primary Routes of Exposure:Inhalation, skin, eyes
Eye Contact:Dust causes severe thermal burns to eyes. Irritating fumes.
Skin Contact:Solid ignites. Hard to extinguish burning gel on the skin and clothing.
White fumes from burning solid irritating to the tissues of the nose, mucous membranes, and respiratory tract.
Inhalation:
Ingestion:Ingestion of burning solid is unlikely.
Solid is pyrophoric and bursts into flames causing severe thermal burns. Dense white smoke is irritating to
Acute Health Affects:
skin, eyes and respiratory tract.
Chronic Health Affects:No information on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

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SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area immediately with water. Remove contaminated clothing if necessary. Seek medical
Skin Exposure:
assistance if irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
Flash Point:-1°F
Autoignition Temperature:pyrophoric
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry powder or foam
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self- contained breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit irritating fumes of indium oxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: Pyrophoric material. Material will ignite spontaneously in contact with air.

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SECTION 6: Accidental Release Measures
The material will ignite spontaneously in air. Burning material may release toxic fumes. Leave the area unless
Spill and Leak Procedures:
fitted with a self-contained breathing apparatus. Smother fire with dry powder. Do not use water.

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SECTION 7: Handling and Storage
Store cold. Handle and store the material under an inert atmosphere of nitrogen or argon. Prepare for the
Handling and Storage:
possibility of fire in transfer lines and containers after use. Keep away from heat.

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SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:Handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Handle the material in an efficient fume hood.
Additional Protection:Wear a full face shield, lab apron and suitable gloves.

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SECTION 9: Physical and Chemical Properties
Color and Form:white xtl.
Molecular Weight:159.92
Melting Point:88°
Boiling Point:136°C
Vapor Pressure:no data
Specific Gravity:1.568
Odor:none
Solubility in Water:reacts vigorously with water

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SECTION 10: Stability and Reactivity
Stability:heat sensitive, moisture sensitive, pyrophoric
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:contact with air
Incompatibility:oxygen, halogens, oxidizing agents and water
Decomposition Products:carbon dioxide, carbon monoxide, indium oxide, organic fumes.

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SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

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SECTION 12: Ecological Information
Ecological Information:No information available

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SECTION 13: Disposal Considerations
Disposal:Dispose of according to federal, state, and local regulations.

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SECTION 14: Transportation
Shipping Name (CFR):Organometallic substance, Solid,Pyrophoric,Water-reactive
Hazard Class (CFR):4.2
Additional Hazard Class (CFR):4.3
Packaging Group (CFR):I
UN ID Number (CFR):UN# 3393
Shipping Name (IATA):Forbidden
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):UN# 3393

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SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory
SARA (Title 313):Title compound not listed.
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A