General Information
Version
4
Revision date
2025-10-09
Product name
Mercaptoethanol
Product Synonyms
2-Hydroxy-1-ethanethiol; Thioglycol
CAS No.
60-24-2
Emergency telephone
+64 9 980 6780
Icons in SDS
Company Information
company name
Thermo Fisher Scientific New Zealand Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
ANZinfo@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H227, H301+H331, H310, H315, H317, H318, H361, H373, H410
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
Classified as hazardous in accordance with the criteria of EPA New Zealand Classification under Work Safe New Zealand Classified as hazardous in accordance with the criteria of EPA New Zealand HSNO Approval Number HSR003600 GHS Classification
Physical hazards
Flammable liquids Category 4
Health hazards
Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 2 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity - (repeated exposure) Category 2
Environmental hazards
Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H227 - Combustible liquid H310 - Fatal in contact with skin H315 - Causes skin irritation H317 - May cause an allergic skin reaction H318 - Causes serious eye damage H361 - Suspected of damaging fertility or the unborn child H373 - May cause damage to organs through prolonged or repeated exposure H410 - Very toxic to aquatic life with long lasting effects H301 + H331 - Toxic if swallowed or if inhaled
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P260 - Do not breathe dust/fume/gas/mist/vapors/spray P262 - Do not get in eyes, on skin, or on clothing 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 P273 - Avoid release to the environment
Response
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 P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P361 + P364 - Take off immediately all contaminated clothing and wash it before reuse P391 - Collect spillage
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 hazards which do not result in classification
Stench Toxic to terrestrial vertebrates Toxicity to Soil Dwelling Organisms This product does not contain any known or suspected endocrine disruptors
2.1 Classification of the substance or mixture
Physical hazards Flammable liquids Category 4 Health hazards Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 2 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity - (repeated exposure) Category 2 Environmental hazards Acute aquatic toxicity Category 1 Chronic aquatic toxicity