sodium nitrite

CAS No.: 7632-00-0
Formula: NNaO2
Exact Mass: 68.98270
Molecular Weight: 68.99530
PSA: 52.49000
LogP: 0.25060
sodium nitrite 7632-00-0 MSDS

Section 1: Product Identification
   Chemical Name:       Sodium nitrite, 97+% (ACS)    
   CAS Registry Number:       7632-00-0    
   Formula:       NaNO2    
   EINECS Number:       231-555-9    
   Chemical Family:       inorganic compound    
   Synonym:       Nitrous acid, sodium salt    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       7632-00-0       100%       no data       no data    

Section 3: Hazards Identification
   Irritating to eyes, skin, and respiratory tract. Toxic by inhalation and if swallowed. May cause heritable genetic
   Emergency Overview:
   damage, harm to the unborn child, and impair fertility.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes.    
   Eye Contact:       Causes irritation, redness and pain.    
   Skin Contact:       Causes irritation, redness and pain. May be absorbed through the skin.    
   Inhalation:       Toxic. Causes irritation to the respiratory tract, and in large amounts, poisoning.    
   Toxic. Ingestion of as little as 1/2 ounce may cause nitrite poisoning including intense cyanosis, nausea,
   dizziness, vomiting, collapse, coma, and death.
   Irritating to eyes, skin, and respiratory tract. Toxic by inhalation and if swallowed. Nitrite poisoning may cause
   Acute Health Affects:       cyanosis, nausea, dizziness, vomiting, collapse, rapid heart beat, irregular breathing, coma, convulsions,    
   circulatory collapse and death. May cause harm to the unborn child.
   Chronic Health Affects:       May cause heritable genetic damage and impair fertility.    
   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
   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
   vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
   Flash Point:       no data    
   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 and       If involved in a fire, this material may emit toxic and corrosive fumes of nitrogen oxides.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Metal nitrites are oxidizers. Contact with combustible materials can lead to fires and/or explosions.

SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Do not mix spilled powder with any combustible materials. Sweep up the solid and dilute with water.    

SECTION 7: Handling and Storage
   Handling and Storage:       Store in a cool, dry place in a tightly sealed container.    

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 Respiratory
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       Handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       white powder    
   Molecular Weight:       69    
   Melting Point:       271°    
   Boiling Point:       320°C dec.    
   Vapor Pressure:       not applicable    
   Specific Gravity:       2.168    
   Odor:       none    
   Solubility in Water:

SECTION 10: Stability and Reactivity
   Stability:       hygroscopic    
   Hazardous Polymerization:       No hazardous polymerization    
   Conditions to Avoid:       may burst into flame or explode in contact with organic matter in the presence of heat or friction.    
   ammonium salts, cellulose, cyanides, lithium, potassium plus ammonia, sodium thiosulfate, aminoguanide
   salts, butadiene, reluctant.
   Decomposition Products:       nitrogen oxides and sodium oxide.    

SECTION 11: Toxicological Information
   Administration into the eye (rabbit); Standard Draize test: 500 mg/24H. Oral (human); TDLo: 14 mg/kg. Oral
   (human-man); LDLo: 321 mg/kg. Oral (human-man); TDLo: 1714 ug/kg/70M. Oral (human); LDLo: 71 mg/kg.
   RTECS Data:       Oral (human-child); LDLo: 22 mg/kg. Oral (rat); LD50: 180 mg/kg. Inhalation (rat); LC50: 5500 ug/m3/4H.    
   Subcutaneous (rat); LD50: 96600 ug/kg. Intravenous (rat); LD50: 65 mg/kg. Oral (rat); TDLo: 180 mg/kg/8D-I.
   Oral (rat); TDLo: 2190 gm/kg/2Y-C. Oral (rat); TDLo: 660 mg/kg. Oral (mouse): TDLo: 480mg/Kg.
   Carcinogenic Effects:       Data available    
   Mutagenic Effects:       Mutagen    
   Tetratogenic Effects:       Reproductive effector    

SECTION 12: Ecological Information
   Ecological Information:       Very toxic to aquatic organisms.    

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

SECTION 14: Transportation
   Shipping Name (CFR):       Sodium nitrite    
   Hazard Class (CFR):       5.1    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       III    
   UN ID Number (CFR):       UN# 1500    
   Shipping Name (IATA):       Sodium nitrite    
   Hazard Class (IATA):       5.1    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       III    
   UN ID Number (IATA):       UN# 1500    

SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound regulated under Sec. 313.    
   Second Ingredient:       none    


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