Note: Ingredients listed on restricted chemical lists
EC/CAS
21041-93-0
Name of the chemical
Cobalt hydroxide
Concentration
>= 90 - <= 100
General Information
Version
6.12
Revision date
2025-01-02
Product name
Cobalt(II) hydroxide
CAS No.
21041-93-0
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H317, H319, H330, H334, H350, H360, H400, H411
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 2 aquatic hazard
Signal word
Danger
Hazard statements
H302 Harmful if swallowed. H317 May cause an allergic skin reaction. H319 Causes serious eye irritation. H330 Fatal if inhaled. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. H350 May cause cancer. H360 May damage fertility or the unborn child. H400 Very toxic to aquatic life. H411 Toxic to aquatic life with long lasting effects.
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. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this prod- uct. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing must not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P284 Wear respiratory protection.
Response
P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. P302 + P352 IF ON SKIN: Wash with plenty of soap and water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immedi- ately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P333 + P313 If skin irritation or rash occurs: Get medi- cal advice/ attention. P337 + P313 If eye irritation persists: Get medical ad- vice/ attention. P342 + P311 If experiencing respiratory symptoms: Call a POISON CENTER/ doctor. P363 Wash contaminated clothing before reuse. P391 Collect spillage.
Storage
P403 + P233 Store in a well-ventilated place. Keep con- tainer tightly closed. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards
None known
2.1 Classification of the substance or mixture
Standard (29 CFR 1910.1200) Acute toxicity (Oral) : Category 4 Acute toxicity : Category 1 (Inhalation) Eye irritation : Category 2A Respiratory sensitization : Sub-category 1B Skin sensitization : Category 1 Carcinogenicity : Category 1B Reproductive toxicity : Category 1B Short-term (acute) : Category 1 aquatic hazard Long-term (chronic) : Category 2 aquatic hazard