Lanthanum Sulfide

Synonym:none

---

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound12031-49-1100%no datano data

---

Section 3: Hazards Identification
Emergency Overview:Forms highly toxic gas on exposure to acids or stomach fluids. Irritating to skin, eyes, and respiratory tract.
Primary Routes of Exposure:Ingestion, inhalation, skin and eyes
Eye Contact:Causes moderate irritation of the eyes.
Skin Contact:Causes slight irritation of the skin.
Inhalation:Inhalation of dust will lead to irritation of the respiratory tract. Hydrogen sulfide gas, if formed, is poisonous.
Ingestion:Gastric juices may cause release of toxic hydrogen sulfide.
Irritating to skin, eyes and respiratory tract. Hydrogen sulfide gas may cause painful conjunctivitis, headache,
Acute Health Affects:
nausea, dizziness, pulmonary edema and possible death.
Chronic Health Affects:No information available 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 with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
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:not applicable
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide or dry powder
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 hydrogen sulfide and sulfur dioxide.
Decomposion Products:
Dust may form explosive mixtures with air. Contact with acids gives off hydrogen sulfide, a toxic and
Unusual Fire or Explosion Hazards:
flammable gas.

---

SECTION 6: Accidental Release Measures
In the case of a spill, the fine powder should be covered with dry sodium carbonate or dolomite in order to
Spill and Leak Procedures:
reduce the formation of dust. Sweep up the mixture.

---

SECTION 7: Handling and Storage
Store in a tightly sealed container. Exposure to the atmosphere may lead to release of toxic hydrogen sulfide
Handling and Storage:
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 and protective clothing.
Ventilation:If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of a respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

---

SECTION 9: Physical and Chemical Properties
Color and Form:yellow powder
Molecular Weight:374.01
Melting Point:2100-2150°
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:4.911
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 of dust cloud with an ignition source.
Incompatibility:oxidizing agents and mineral acids
Decomposition Products:hydrogen sulfide, sulfur dioxide, and metal oxides.

---

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 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 not listed.
Second Ingredient:none

---

SECTION 16 - ADDITIONAL INFORMATION
N/A