Note: Ingredients listed on restricted chemical lists
EC/CAS
120-80-9
Name of the chemical
Pyrocatechol
Concentration
N/A
General Information
Revision date
2026-03-06
Product name
Catechol
CAS No.
120-80-9
supplier name
Combi-Blocks, Inc.
Emergency telephone
1-858-635-8950, 1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Combi-Blocks, Inc.
e-mail address of the competent person responsible for the Safety Data Sheet
sales@combi-blocks.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301+H311, H315, H317, H318, H332, H341
Hazard statements
Code
Statements
H301+H311
Toxic if swallowed or in contact with skin
Section 2
Signal word
Danger
Hazard statements
H301+H311 Toxic if swallowed or in contact with skin. H315 Causes skin irritation H317 May cause an allergic skin reaction H318 Causes serious eye damage H332 Harmful if inhaled H341 Suspected of causing genetic defects
Precautionary statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash 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/protective clothing/eye protection/face protection. P301+P310+P330 If swallowed: Immediately call a POISON CENTER or doctor/physician. Rinse mouth. P302+P352+P312 If on skin: Wash with soap and water. Call a POISON CENTER or doctor/physician if you feel unwell. P304+P340+P312 If inhaled Remove victim to fresh air and keep at rest in a position comfortable for breath- ing. Call a POISON CENTER or doctor/physician if you feel unwell. P305+P351+P338+P310 If in eyes Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing. Immediately call a POISON CENTER or doctor/physician P332+P313 If skin irritation occurs: Get medical advice/attention. P333+P313 If skin irritation or a rash occurs: Get medical advice/attention. P361 Remove/Take off immediately all contaminated clothing. P362 Take off contaminated clothing and wash before reuse. P363 Wash contaminated clothing before reuse. P403+P233 Store in a well ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Acute toxicity,oral (Category 3), H301 Acute toxicity,dermal (Category 3), H311 Skin corrosion/irritation (Category 2), H315 Sensitisation, Skin (Category 1), H317 Serious eye damage/eye irritation (Category 1), H318 Acute toxicity,inhalation (Category 4), H332
