Product Catalog

93-2439

Chromium › Chromium(III) sulfide, 99%

Stability: moisture sensitive

Physical Characteristics: density 3.77

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SECTION 1: Product Identification
Chemical Name:	Chromium (III) sulfide, 99%
Product Number:	93-2439
CAS Registry Number:	12018-22-3
Formula:	Cr2S3
EINECS Number:	234-638-8
Chemical Family:	metal chalcogenides
Synonym:	Chromic sulfide

SECTION 2: Composition and Information on Ingredients
Ingredient	CAS Number	Percent	ACGIH (TWA)	OSHA (PEL)
Title Compound	12018-22-3	100	0.5mg/m3 (as Cr)	0.5mg/m3 (as Cr)

SECTION 3: Hazards Identification
Emergency Overview:	May be irritating to eyes, skin and respiratory tract. May form toxic and flammable hydrogen sulfide gas with acids or upon ingestion.
Primary Routes of Exposure:	Ingestion, inhalation
Eye Contact:	May cause slight to mild irritation of the eyes.
Skin Contact:	May cause slight to mild irritation of the skin.
Inhalation:	Inhalation of dust can lead to irritation of the respiratory tract. Hydrogen sulfide gas, if formed, is poisonous.
Ingestion:	Ingestion may cause gastrointestinal distress, burning of throat, dizziness, and weakness.
Acute Health Effects:	Hydrogen sulfide gas may cause painful conjunctivitis, headache, nausea, dizziness, pulmonary edema and possible death.
Chronic Health Effects:	Although less toxic than Chromium (VI), some animal studies show some chromium (III) salts of unknown purity to act as mutagens and reproductive effectors.
NTP:	yes
IARC:	No
OSHA:	No

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

SECTION 5: Fire Fighting Measures
Flash Point:	not applicable
Autoignition Temperature:	no data
Explosion Limits:	no data
Extinguishing Medium:	carbon dioxide or dry powder
Special Fire Fighting Procedures:	If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self- contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products:	If involved in a fire this material may emit irritating fumes of hydrogen sulfide and sulfur dioxide.
Unusual Fire or Explosion Hazards:	No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:	Small spills can be mixed with vermiculite or sodium carbonate and swept up.

SECTION 7: Handling and Storage
Handling and Storage:	Store in a tightly sealed container. Exposure to the atmosphere may lead to release of toxic hydrogen sulfide gas. Empty containers may retain product residues that evolve toxic gases.

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 appropriate chemical resistant gloves nd protective clothing.
Ventilation:	If possible, handle the material in an efficient fume hood.
Respirator:	If ventilation is not available a respirator should be worn. The use of a respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection:	No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:	brown to black pwdr.
Molecular Weight:	200.18
Melting Point:	no data
Boiling Point:	no data
Vapor Pressure:	no data
Specific Gravity:	3.77
Odor:	odor of sulfur
Solubility in Water:	insoluble

SECTION 10: Stability and Reactivity
Stability:	air and moisture stable
Hazardous Polymerization:	no hazardous polymerization
Conditions to Avoid:	contact with air, water, and mineral acids. Reaction with mineral acids can lead to formation of toxic fumes of hydrogen sulfide.
Incompatibility:	mineral acids and oxidizing agents
Decomposition Products:	hydrogen sulfide, sulfur dioxide, and metal oxides.

SECTION 11: Toxicological Information
RTECS Data:	No specific information available on this product.
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 local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):	Non-hazardous
Hazard Class (CFR):	NA
Additional Hazard Class (CFR):	NA
Packaging Group (CFR):	NA
UN ID Number (CFR):	NA
Shipping Name (IATA):	Non-hazardous
Hazard Class (IATA):	NA
Additional Hazard Class (IATA):	NA
Packaging Group (IATA):	NA
UN ID Number (IATA):	NA

SECTION 15: Regulatory Information
TSCA:	Listed in the TSCA inventory.
SARA (Title 313):	Title compound: see category code N090 for reporting.
Second Ingredient:	none
Third Ingredient:	none

SECTION 16: Other Information
Disclaimer:	The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date:	10/29/2001
Revision Date:	9/07/2004