General Information
Version
11
Revision date
2026-07-25
Product name
2-Mercaptobenzimidazole
Product Synonyms
2-Benzimidazolethiol
CAS No.
583-39-1
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
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)
H301, H317, H373, H412
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Beige Odorless Emergency Overview Toxic if swallowed. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure. Harmful to aquatic life with long lasting effects. Classification of the substance or mixture Acute Oral Toxicity Category 3 Skin Sensitization Category 1 Specific target organ toxicity - (repeated exposure) Category 2 Chronic aquatic toxicity Category 3 Label Elements
Signal word
Danger Hazard Statements H301 - Toxic if swallowed H317 - May cause an allergic skin reaction H373 - May cause damage to organs through prolonged or repeated exposure H412 - Harmful to aquatic life with long lasting effects
Prevention
P260 - Do not breathe 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 P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves
Response
P301 + P310 - IF SWALLOWED: Immediately call a POISON CENTER or doctor P314 - Get medical advice/attention if you feel unwell P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P330 - Rinse mouth P333 + P313 - If skin irritation or rash occurs: Get medical advice/attention P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
Toxic if swallowed. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure.
Environmental hazards
Harmful to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 3 Skin Sensitization Category 1 Specific target organ toxicity - (repeated exposure) Category 2 Chronic aquatic toxicity