Safety (MSDS) data for nitric acid (concentrated)

Hazard: Toxic

General

Physical data

Appearance: colourless liquid with a choking odour
Melting point: -42 C
Boiling point: 121 C (69% boils at ca. 86C)
Specific gravity: 1.41
Vapour pressure: 62 mm Hg at 20 C (68%)
Flash point:
Explosion limits:
Autoignition temperature:

Stability

Stable. Strong oxidizer. Substances to be avoided include strong bases, strong reducing agents, alkalis, most common metals, organic materials, alcohols, carbides. Corrodes steel. Light-sensitive.

Toxicology

May be fatal if swallowed or inhaled. Extremely corrosive. Contact with skin or eyes may cause severe burns and permanent damage. TLV 2 ppm. OES long-term 5 mg/m3

Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
IHL-RAT LC50 244 ppm (NO2)/30m
ORL-HMN LDLO 430 mg kg-1

Transport information

Personal protection

Safety glasses or face mask, gloves. Fume cupboard.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S23 S26 S36 S37 S39 S45.

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This information was last updated on February 13, 2003. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use or misuse.