Section 1: Product Identification
Chemical Name: Trimethylindium, elec. gr. (99.999%-In) PURATREM **S STEEL CYL EXTRA** **Can be ampouled**
CAS Registry Number: 3385-78-2
Formula: (CH3)3In
EINECS Number: 222-200-9
Chemical Family: metal alkyl
Synonym: Indium, trimethyl
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 3385-78-2 100% 0.1mg/m3 (as In) no data
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
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.
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 and If 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.
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.
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.
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.
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
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.
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
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to federal, state, and local regulations.
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
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
