International Chemical Safety Cards

CHROMIUM(III) NITRATE NONAHYDRATE ICSC: 1530

Chromic nitrate
Chromium trinitrate
Nitric acid, chromium(III) salt
Cr(NO3)3· 9H2O
Molecular mass: 400.2
ICSC #    1530
CAS #     7789-02-8
RTECS # GB6300000
UN #        2720
October 27, 2004 Peer reviewed
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 STORAGE 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.
Separated from combustible and reducing substances.

R:
S:
UN Hazard Class: 5.1
UN Packing Group: III
SEE IMPORTANT INFORMATION ON BACK
ICSC: 1530 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards

CHROMIUM(III) NITRATE NONAHYDRATE ICSC: 1530
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PHYSICAL STATE; APPEARANCE:
DEEP VIOLET CRYSTALS

PHYSICAL DANGERS:


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/m³ as TWA; A4; (ACGIH 2004).
MAK not established.


ROUTES OF EXPOSURE:


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: 66°C
Density: 1.8

g/cm³
Solubility in water:
very good
ENVIRONMENTAL
DATA
The substance is toxic to aquatic organisms.
N O T E S
Do NOT take working clothes home. The recommendations on this Card also apply to Chromium(III) nitrate anhydrate.
ADDITIONAL INFORMATION


ICSC: 1530 CHROMIUM(III) NITRATE NONAHYDRATE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.