General Information
Version
4
Revision date
2025-12-22
Product name
4-Methylanisole
Product Synonyms
1-Methoxy-4-methylbenzene; MSO; p-Cresyl methyl ether
CAS No.
104-93-8
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
Warning
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Warning Hazard Statements Flammable liquid and vapor Harmful if swallowed Causes skin irritation Causes serious eye irritation Suspected of damaging the unborn child
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 Wear eye/face protection Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting equipment Wear protective gloves/protective clothing/eye protection/face protection Take action to prevent static discharges Use non-sparking tools
Response
IF exposed or concerned: Get medical attention/advice Skin If skin irritation occurs: Get medical advice/attention IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Take off contaminated clothing and wash before reuse Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Ingestion IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Rinse mouth Fire In case of fire: Use CO2, dry chemical, or foam to extinguish
Storage
Store locked up Store in a well-ventilated place. Keep cool
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Harmful to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable liquids Category 3 Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Reproductive Toxicity
