Ethanethiol

Avocado Research Chemicals Ltd

Revision date : 2026-07-24

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GHS02 GHS06 GHS05 GHS09
Health risk rating 4
Safety risk rating 4
Environmental risk rating 5

General Information

Version

ALFAA22585

Revision date

2026-07-24

Product name

Ethanethiol

Product Synonyms

Ethyl mercaptan

CAS No.

75-08-1

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

GHS02 GHS05 GHS06 GHS09 M004 M009 M010 M011 M017

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

Danger

Hazard Codes

Hazard statements (CLP)

H224, H302, H317, H318, H331, H410

Hazard statements

Code

Statements

H224

Extremely flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Liquid Colorless Stench Emergency Overview Harmful to aquatic life. Very toxic to aquatic life with long lasting effects. Extremely flammable liquid and vapor. Harmful if swallowed. May cause an allergic skin reaction. Causes serious eye damage. Toxic if inhaled. Stench. Classification of the substance or mixture Flammable liquids Category 1 Acute Oral Toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 3 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1

Signal word

Danger

Hazard statements

H224 - Extremely flammable liquid and vapor H410 - Very toxic to aquatic life with long lasting effects H302 - Harmful if swallowed H317 - May cause an allergic skin reaction H318 - Causes serious eye damage H331 - Toxic if inhaled

Prevention

P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P243 - Take action to prevent static discharges P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin 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

Response

P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P363 - Wash contaminated clothing before reuse P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up

Disposal

P501 - Dispose of contents/ container to an approved waste disposal plant

Other physicochemical hazards

Vapors may cause flash fire or explosion. Extremely flammable.

Health hazards

Harmful if swallowed. May cause an allergic skin reaction. Toxic if inhaled.

Environmental hazards

Harmful to aquatic life. Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its volatility. The product contains volatile organic compounds (VOC) which will evaporate easily from all surfaces.

2.3 Other hazards

Stench. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.

2.1 Classification of the substance or mixture

Flammable liquids. Category 1 Acute Oral Toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 3 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity

SDS Library

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