General Information
Version
5
Revision date
2026-07-22
Product name
Thymine
Product Synonyms
2,4-Dihydroxy-5-methylpyrimidine; 5-Methyluracil
CAS No.
65-71-4
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
Warning
Hazard Codes
Hazard statements (CLP)
H319
Hazard statements
Code
Statements
H319
Causes serious eye irritation
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid White Odorless Emergency Overview Causes serious eye irritation. May form combustible dust concentrations in air. Classification of the substance or mixture Serious Eye Damage/Eye Irritation Category 2 Label Elements
Signal word
Warning Hazard Statements H319 - Causes serious eye irritation
Prevention
P264 - Wash face, hands and any exposed skin thoroughly after handling P280 - Wear eye protection/ face protection
Response
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
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified. May form combustible dust concentrations in air.
Health hazards
Causes serious eye irritation.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. May form explosible dust-air mixture if dispersed. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Serious Eye Damage/Eye Irritation
