Note: Ingredients listed on restricted chemical lists
EC/CAS
7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
N/A
General Information
Version
ACR21360
Revision date
2026-07-17
Product name
Cesium hydroxide, 50 wt% solution in water
Product Synonyms
Cesium Hydrate; Cesium Hydroxide Dimer
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
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)
H302, H314, H330, H335, H361, H373
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Colorless Odorless Emergency Overview Fatal if inhaled. Causes severe skin burns and eye damage. Suspected of damaging fertility or the unborn child. Corrosive to the respiratory tract. May cause respiratory irritation. Harmful if swallowed. May cause damage to organs through prolonged or repeated exposure. Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 1 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Specific target organ toxicity - (repeated exposure) Category 2 Label Elements
Signal word
Danger Hazard Statements H330 - Fatal if inhaled H314 - Causes severe skin burns and eye damage H335 - May cause respiratory irritation H302 - Harmful if swallowed H361 - Suspected of damaging fertility or the unborn child H373 - May cause damage to organs through prolonged or repeated exposure
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P260 - Do not breathe dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P284 - Wear respiratory protection P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P331 - Do NOT induce vomiting P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
Fatal if inhaled. Corrosive. Causes skin and eye burns. Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation. Suspected of damaging fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 1 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Specific target organ toxicity - (repeated exposure)