Note: Ingredients listed on restricted chemical lists
EC/CAS
98-29-3
Name of the chemical
4-tert-Butylpyrocatechol
Concentration
<=100
EC/CAS
120-80-9
Name of the chemical
1,2-Dihydroxybenzol (2018/1480)
Concentration
<=0.5
General Information
Version
6
Revision date
2025-12-22
Product name
4-tert-Butylcatechol
Product Synonyms
4-tert-Butylpyrocatechol; 4-(1,1-Dimethylethyl)-1,2-benzenediol; TBC
CAS No.
98-29-3
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
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H317, H335, H350
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage.
H317
May cause an allergic skin reaction
H335
May cause respiratory irritation
H350
May cause cancer
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger
Hazard statements
Causes severe skin burns and eye damage May cause respiratory irritation May cause an allergic skin reaction May cause cancer Harmful if swallowed or in contact with skin
Prevention
Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Do not breathe dust/fume/gas/mist/vapors/spray Contaminated work clothing should not be allowed out of the workplace Wear protective gloves Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection
Response
Immediately call a POISON CENTER or doctor Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Skin Take off contaminated clothing and wash before reuse IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower If skin irritation or rash occurs: Get medical advice/attention Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Ingestion Rinse mouth Do NOT induce vomiting
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life Toxic to aquatic life with long lasting effects
Other hazards
Contains a known or suspected endocrine disruptor. WARNING. Cancer - https://www.p65warnings.ca.gov/.
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Acute oral toxicity Category 4 Acute dermal toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 1B Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system.
