General Information
Version
6
Revision date
2026-07-26
Product name
5,5-Diphenylhydantoin
Product Synonyms
Phenytoin
CAS No.
57-41-0
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)
H302, H351, H361
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Off-white Odorless Emergency Overview Harmful if swallowed. Suspected of causing cancer. Suspected of damaging fertility or the unborn child. May form combustible dust concentrations in air. Classification of the substance or mixture Acute Oral Toxicity Category 4 Carcinogenicity Category 2 Reproductive Toxicity Category 2 Label Elements
Signal word
Warning Hazard Statements H302 - Harmful if swallowed H351 - Suspected of causing cancer H361 - Suspected of damaging fertility or the unborn child
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P312 - IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell P308 + P313 - IF exposed or concerned: Get medical advice/attention P330 - Rinse mouth
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
Harmful if swallowed. Suspected of causing cancer. Suspected of damaging fertility or the unborn child.
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.
2.3 Other hazards
May form explosible dust-air mixture if dispersed. 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 4 Carcinogenicity Category 2 Reproductive Toxicity