Note: Ingredients listed on restricted chemical lists
EC/CAS
120-80-9
Name of the chemical
1,2-Dihydroxybenzol (2018/1480)
Concentration
<=100
General Information
Version
8
Revision date
2026-07-16
Product name
Catechol
Product Synonyms
1,2-Benzenediol; Pyrocatechol
CAS No.
120-80-9
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)
H301+H311, H315, H317, H318, H332, H341, H350, H401
Hazard statements
Code
Statements
H301+H311
Toxic if swallowed or in contact with skin
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Solid Light brown aromatic Emergency Overview Causes skin irritation. Toxic to aquatic life. Toxic if swallowed. Toxic in contact with skin. May cause an allergic skin reaction. Causes serious eye damage. Harmful if inhaled. Suspected of causing genetic defects. May cause cancer. Sensitivity to light. Air sensitive. May form combustible dust concentrations in air. Classification of the substance or mixture Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Germ Cell Mutagenicity Category 2 Carcinogenicity Category 1B Acute aquatic toxicity Category 2 Label Elements
Signal word
Danger Hazard Statements H315 - Causes skin irritation H401 - Toxic to aquatic life H317 - May cause an allergic skin reaction H318 - Causes serious eye damage H332 - Harmful if inhaled H341 - Suspected of causing genetic defects H350 - May cause cancer H301 + H311 - Toxic if swallowed or in contact with skin
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 P271 - Use only outdoors or in a well-ventilated area P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water 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 P330 - Rinse mouth P361 + P364 - Take off immediately all 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. May form combustible dust concentrations in air.
Health hazards
Causes skin irritation. Toxic if swallowed. Toxic in contact with skin. May cause an allergic skin reaction. Harmful if inhaled. Suspected of causing genetic defects. May cause cancer.
Environmental hazards
Toxic to aquatic life. . Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
May form explosible dust-air mixture if dispersed. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Germ Cell Mutagenicity Category 2 Carcinogenicity Category 1B Acute aquatic toxicity