Sodium nitrite

MSDS (Datasheet)


CAS NO. 7632-00-0
Formula NaNO2
Molecular Wt 69.00
Synonyms Nitrous acid, sodium salt


Physical state Solid. (Powdered solid.)
Odor Odorless
Taste Saline (Slight)
Molecular Wt 69 g/mole
Color White to slightly yellowish
Boiling Point 320°C (608°F)
Melting Point 271°C (519.8°F)
Specific Gravity 2.2 (Water = 1)
Dispersion Properties See solubility in water, methanol
Solubility Easily soluble in hot water. Soluble in cold water. Partially soluble in methanol.Very slightly soluble in diethyl ether.


Eye Contact:
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention immediately.

Skin Contact:
In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove contaminated clothing and shoes. Cold water may be used.Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention.

Serious Skin Contact
Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate medical attention.

If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention immediately.

Serious Inhalation
Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or waistband. If breathing is difficult, administer oxygen. If the victim is not breathing, perform mouth-to-mouth resuscitation. WARNING: It may be hazardous to the person providing aid to give mouth-to-mouth resuscitation when the inhaled material is toxic, infectious or corrosive. Seek immediate medical attention.

If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention immediately.

Serious Ingestion: Not available.

sidebar bottom