Note: Ingredients listed on restricted chemical lists
EC/CAS
123-31-9
Name of the chemical
1,4-Dihydroxybenzol (790/2009)
Concentration
<=100
General Information
Version
3
Revision date
2025-03-26
Product name
Hydroquinone
Product Synonyms
1,4-Dihydroxybenzene; 1,4-Benzenediol
CAS No.
123-31-9
Emergency telephone
+(60)-327884561
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Fisher Scientific (M) Sdn Bhd
e-mail address of the competent person responsible for the Safety Data Sheet
Enquiry.my@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H317, H318, H341, H351, H400
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute oral toxicity Category 4 (H302) Serious Eye Damage/Eye Irritation Category 1 (H318) Skin Sensitization Category 1 (H317) Germ Cell Mutagenicity Category 2 (H341) Carcinogenicity Category 2 (H351) Acute aquatic toxicity Category 1 (H400)
Signal word
Danger
Hazard statements
H302 - Harmful if swallowed H317 - May cause an allergic skin reaction H318 - Causes serious eye damage H341 - Suspected of causing genetic defects H351 - Suspected of causing cancer H400 - Very toxic to aquatic life
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P261 - Avoid breathing 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 P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water 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 P330 - Rinse mouth P363 - Wash contaminated clothing before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
2.3 Other hazards
May form combustible dust concentrations in air Toxic to terrestrial vertebrates This product does not contain any known or suspected endocrine disruptors May form explosible dust-air mixture if dispersed
2.1 Classification of the substance or mixture
Acute oral toxicity Category 4 (H302) Serious Eye Damage/Eye Irritation Category 1 (H318) Skin Sensitization Category 1 (H317) Germ Cell Mutagenicity Category 2 (H341) Carcinogenicity Category 2 (H351) Acute aquatic toxicity Category 1 (H400)