General Information
Version
ACR30056
Revision date
2026-07-18
Product name
1-Hydroxybenzotriazole hydrate
Product Synonyms
HOBT
CAS No.
123333-53-9
supplier name
Fisher Scientific UK
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
Fisher Scientific UK
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)
H203, H319, H412
Hazard statements
Code
Statements
H203
Explosive; fire, blast or projection hazard
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Beige No information available Emergency Overview Fire or projection hazard. Causes serious eye irritation. Harmful to aquatic life with long lasting effects. Sensitivity to light. Classification of the substance or mixture Explosives Division 1.3 Serious Eye Damage/Eye Irritation Category 2 Chronic aquatic toxicity Category 3 Label Elements
Signal word
Danger Hazard Statements H203 - Explosive; fire, blast or projection hazard H319 - Causes serious eye irritation H412 - Harmful to aquatic life with long lasting effects
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P230 - Keep wetted with water P240 - Ground and bond container and receiving equipment P250 - Do not subject to grinding/shock/friction P264 - Wash face, hands and any exposed skin thoroughly after handling P280 - Wear protective gloves/protective clothing/eye protection/face protection P273 - Avoid release to the environment
Response
P372 - Explosion risk in case of fire P373 - DO NOT fight fire when fire reaches explosives P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P337 + P313 - If eye irritation persists: Get medical advice/attention P370 + P372 + P380 + P373 - In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives
Storage
P401 - Store in accordance with local regulations
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Explosive. Risk of explosion by shock, friction, fire or other sources of ignition.
Health hazards
Causes serious eye irritation.
Environmental hazards
Harmful to aquatic life with long lasting effects. Is not likely mobile in the environment due its low water solubility. . This product does not contain any known or suspected endocrine disruptors. Toxic to terrestrial vertebrates.
2.1 Classification of the substance or mixture
Explosives. Division 1.3 Serious Eye Damage/Eye Irritation Category 2 Chronic aquatic toxicity