I used to handle Sodium Nitrates in a hot dog plant spice room
I was always told it was carcinogenic
Safety data for sodium nitrite
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Glossary of terms on this data sheet. The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers.
General
- Synonyms: nitrous acid sodium salt, diazotizing salt, anti-rust
Physical data
Use:
Molecular formula: NaNO2
CAS No: 7632-00-0
EINECS No: 231-555-9
Annex I Index No: 007-010-00-4
- Appearance: white to off-white powder
Stability
Melting point: 281 C
Boiling point: 320 C
Vapour density:
Vapour pressure:
Density (g cm-3): 2.17
Flash point:
Explosion limits:
Autoignition temperature: 490 C
Water solubility: soluble
Toxicology
- Stable. Incompatible with reducing agents, strong oxidizing agents, organics and other flammable materials, finely powdered metals. Contact with combustible material may lead to fire. Hygroscopic.
- Toxic if swallowed. Severe eye irritant. Respiratory and skin irritant. May act as a carcinogen for chronic exposure.
Environmental information
Toxicity data
(The meaning of any toxicological abbreviations which appear in this section is given here.)
ORL-RAT LD50 180 mg kg-1
ORL-RBT LD50 178 mg kg-1
ORL-HMN LDLO 71 mg kg-1
IVN-RAT LD50 65 mg kg-1
Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R8 R25 R50.
Hazard statements
(The meaning of any hazard statement codes which appear in this section is given here.)
H272 H301 H400.
Precautionary phrases
P220 P273.
Transport information
- Very toxic to aquatic organisms.
- (The meaning of any UN hazard codes which appear in this section is given here.)
Personal protection
UN No 1500. Hazard class 5.1. Packing group III.
- Safety glasses, adequate ventilation, gloves. Safety phrases
[Return to Physical & Theoretical Chemistry Lab. Safety home page.]
(The meaning of any safety phrases which appear in this section is given here.)
S45 S61.






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