Note: Ingredients listed on restricted chemical lists
EC/CAS
98-29-3
Name of the chemical
4-tert-Butylpyrocatechol
Concentration
N/A
General Information
Version
ALFAAB20512
Revision date
2026-07-27
Product name
4-Chlorostyrene
Product Synonyms
1-Chloro-4-ethenylbenzene.; p-Chlorostyrene
CAS No.
1073-67-2
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H227, H302, H315, H410
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Clear Strong Emergency Overview Combustible liquid. Harmful if swallowed. Causes skin irritation. Very toxic to aquatic life with long lasting effects. Classification of the substance or mixture Flammable liquids Category 4 Acute Oral Toxicity Category 4 Skin Corrosion/Irritation Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Warning Hazard Statements H227 - Combustible liquid H302 - Harmful if swallowed H315 - Causes skin irritation H410 - Very toxic to aquatic life with long lasting effects
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P312 - IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell 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 P330 - Rinse mouth P332 + P313 - If skin irritation occurs: Get medical advice/attention P337 + P313 - If eye irritation persists: Get medical advice/attention P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P235 - Store in a well-ventilated place. Keep cool
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Combustible material.
Health hazards
Harmful if swallowed. Causes skin irritation.
Environmental hazards
Very toxic to aquatic life with long lasting effects. Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil. The product is insoluble and sinks in water. The product evaporates slowly. Contains a known or suspected endocrine disruptor. Contains a substance on the National Authorities Endocrine Disruptor Lists.
2.1 Classification of the substance or mixture
Flammable liquids. Category 4 Acute Oral Toxicity Category 4 Skin Corrosion/Irritation Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity