CHROMIUM TRIOXIDE anhydrous

UN Number: 1463

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1463

Physical chemical data

Physical State (20°C) Solid
Density (kg/m3)
2700 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 99.99
Melting Point (°C) 197

Behaviour at sea

Additional data

Colour dark red
Odour odourless

Transportation data

Package group II
State solid
IMO class 5.1

Reactivity data

Metal(s) and alloys No
Oxidizing agents No
Reducing agents Yes
Combustibles Yes
Organic substance Yes

GESAMP Hazard profile

Human toxicity threshold

TLV-TWA 0.012
TEEL-1 (mg/m3) 0.00962
TEEL-2 (mg/m3) 0.06
TEEL-3 (mg/m3) 28.8

Ecotoxicity

Incident reports

Incident reports

Year Vessel Location Cargo type
1973 Viggo Hinrichsen Off Swedish Coast Package
Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 141

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 5.1-05

SOLID OXIDIZING SUBSTANCES, TOXIC AND/OR CORROSIVE.

Emergency procedures

Spillage on deck

Collect spillage for safe disposal. Wash remainder overboard with copious quantities of water. Do not use sawdust or other combustible materials as absorbents.
Contaminated clothing must be removed and washed carefully with copious quantities of water.

Spillage under deck

Collect spillage for safe disposal. Do not use sawdust or other combustible materials as absorbents.
Contaminated clothing must be removed and washed carefully with copious quantities of water.

Fire on deck

Use copious quantities of water to fight a fire.

Fire under deck

Ship's fixed fire-fighting installation may not be effective. Adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.

Remarks by UN no.

• BARIUM CHLORATE, SOLID (UN No. 1445).
• CHLORATES, INORGANIC, N.O.S. (UN No. 1461).
An adjacent detonation may involve risk of explosion. May explode in a fire situation when strong packages are stowed in a cargo space in large quantities.

• TRICHLOROISOCYANURIC ACID, DRY (UN No. 2468).
Small quantities of water on the substance will create an explosion hazard. Dispose of spillage overboard in a safe manner.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-16T15:30:32+00:00

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