Cesium

Fisher Scientific UK

Revision date : 2026-07-17

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GHS02 GHS08 GHS05
Health risk rating 4
Safety risk rating 4
Environmental risk rating 1

General Information

Version

8

Revision date

2026-07-17

Product name

Cesium

Product Synonyms

None

CAS No.

7440-46-2

supplier name

Fisher Scientific UK

Emergency telephone

001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS02 GHS05 GHS08 M004 M009 M010 M011 M017

Company Information

company name

Fisher Scientific UK

e-mail address of the competent person responsible for the Safety Data Sheet

begel.sdsdesk@thermofisher.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H260, H314, H361

Hazard statements

Code

Statements

H260

In contact with water releases flammable gases which may ignite spontaneously

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Solid Gold Odorless Emergency Overview In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. Suspected of damaging fertility or the unborn child. Reacts violently with water. Moisture sensitive. Air sensitive. Classification of the substance or mixture Substances/mixtures which, in contact with water, emit flammable gases Category 1 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity Category 2 Label Elements

Signal word

Danger Hazard Statements H260 - In contact with water releases flammable gases which may ignite spontaneously H314 - Causes severe skin burns and eye damage H361 - Suspected of damaging fertility or the unborn child

Prevention

P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P231 + P232 - Handle and store contents under inert gas. Protect from moisture P260 - Do not breathe dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P280 - Wear protective gloves/protective clothing/eye protection/face protection

Response

P301 + P330 + P331 - IF SWALLOWED: rinse mouth. Do NOT induce vomiting P302 + P335 + P334 - IF ON SKIN: Brush off loose particles from skin. Immerse in cool water P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P362 + P364 - Take off contaminated clothing and wash it before reuse P370 + P378 - In case of fire: Use fire-fighting equipment on basis class D to extinguish

Storage

P402 + P404 - Store in a dry place. Store in a closed container

Disposal

P501 - Dispose of contents/ container to an approved waste disposal plant

Other physicochemical hazards

Reacts violently with water, liberating extremely flammable gases.

Health hazards

Corrosive. Causes skin and eye burns. Suspected of damaging fertility or the unborn child.

Environmental hazards

Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Is not likely mobile in the environment. Reacts with water. This product does not contain any known or suspected endocrine disruptors.

2.1 Classification of the substance or mixture

Substances/mixtures which, in contact with water, emit flammable gases Category 1 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity

SDS Library

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Up-to-date – Your SDS get updated to latest versions.
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Employee access – Tablets, Smartphones, or link from Corporate Intranet
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Safety – One-click access to first aid information.
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Labels – Generate Secondary Container Labels with just one click.