CAESIUM

UN Number: 1407

Also known as: CESIUM
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1407

Physical chemical data

Physical State (20°C) Solid
Molar mass (g/mol) 132.91

Behaviour at sea

Additional data

Transportation data

State solid
Temperature (°C) ambient
Pressure (Pa) ambient
IMO class 4.3

Reactivity data

GESAMP Hazard profile

Human toxicity threshold

TEEL-1 (mg/m3) 20
TEEL-2 (mg/m3) 150
TEEL-3 (mg/m3) 500

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 138

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 4.3-01

SUBSTANCES DANGEROUS WHEN WET, VIOLENTLY REACTIVE WITH WATER; STOWAGE "ON DECK ONLY".

Emergency procedures

Action

Do not use water. Avoid all sources of ignition (e.g. naked lights, unprotected light bulbs, electric handtools).

Spillage on deck

Smother spillage with DRY inert material, collect and dispose of overboard in a safe manner.

Spillage under deck

Not applicable.

Fire on deck

Substances may burn fiercely. For small fires use dry chemicals. For larger fires smother with DRY inert material, collect and dispose of overboard in a safe manner. If possible remove receptacles likely to be involved.

Fire under deck

Not applicable.

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
DRY inert material (e.g. diatomaceous earth) to be maintained as dry as possible in a suitable stow.
Dry chemical.

Remarks by UN no.

• LITHIUM, non-pyrophoric (UN No. 1415)
In fire situation, do not use sand. Use only dry powdered lithium chloride or graphite powder.
• LITHIUM, non-pyrophoric (UN No. 1415).
In fire situation, do not use sand. Use only dry powdered lithium chloride or graphite powder.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-14T09:02:12+00:00