General Information
Version
4
Revision date
2025-12-22
Product name
1-Pentanethiol
Product Synonyms
n-Amyl mercaptan
CAS No.
110-66-7
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)
H225, H315, H319, H335
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger
Hazard statements
Highly flammable liquid and vapor Causes skin irritation Causes serious eye irritation May cause respiratory irritation Harmful if swallowed or if inhaled
Prevention
Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/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 Keep cool Take action to prevent static discharges Use non-sparking tools Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor if you feel unwell 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 in a well-ventilated place. Keep container tightly closed Store locked up
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
Other hazards
Stench.
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 2 Acute oral toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system.
