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CHROMIUM(III) NITRATE NONAHYDRATE ICSC: 1530
Date of Peer Review: October 2004

Chromic nitrate
Chromium trinitrate
Nitric acid, chromium(III) salt
CAS # 7789-02-8 Cr(NO3)3 9H2O
RTECS # GB6300000 Molecular mass: 400.2
UN # 2720
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible but enhances combustion of other substances. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION Risk of fire and explosion.


EXPOSURE
STRICT HYGIENE!

Inhalation Cough. Sore throat.
Local exhaust or breathing protection.
Fresh air, rest.
Skin
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Diarrhoea. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment.
EU Classification
UN Classification
UN Hazard Class: 5.1
UN Pack Group: III
EMERGENCY RESPONSE STORAGE

Separated from combustible and reducing substances.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
CHROMIUM(III) NITRATE NONAHYDRATE ICSC: 1530
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
DEEP VIOLET CRYSTALS

CHEMICAL DANGERS:
The substance is a strong oxidant and reacts with combustible and reducing materials. The solution in water is a weak acid.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: (as Cr metal, Cr(III) compounds) 0.5 mg/m as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK not established.
INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the respiratory tract.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization.
PHYSICAL PROPERTIES
Decomposes below boiling point
Melting point: 66C
Density: 1.8 g/cm
Solubility in water: very good
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
Do NOT take working clothes home. The recommendations on this Card also apply to Chromium(III) nitrate anhydrous.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005