Note: Ingredients listed on restricted chemical lists
EC/CAS
2465-27-2
Name of the chemical
4,4'-Carbonimidoylbis(N,N-dimethylanilin)-Hydrochlorid
Concentration
>95
General Information
Version
ACR22752
Revision date
2026-07-17
Product name
Auramine O
Product Synonyms
C.I. 41000; 4,4`-(Imidocarbonyl)bis(N,N-dimethylaniline)
CAS No.
2465-27-2
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)
H302, H311, H351
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Yellow Odorless Emergency Overview Harmful if swallowed. Toxic in contact with skin. Suspected of causing cancer. May form combustible dust concentrations in air. Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 3 Carcinogenicity Category 2 Label Elements
Signal word
Danger Hazard Statements H302 - Harmful if swallowed H311 - Toxic in contact with skin H351 - Suspected of causing cancer
Prevention
P201 - Obtain special instructions before use P270 - Do not eat, drink or smoke when using this product P202 - Do not handle until all safety precautions have been read and understood P264 - Wash face, hands and any exposed skin thoroughly after handling P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P312 - Call a POISON CENTER or doctor if you feel unwell P330 - Rinse mouth P361 + P364 - Take off immediately all contaminated clothing and wash it before reuse
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 physicochemical hazards
Dust can form an explosive mixture with air.
Health hazards
Harmful if swallowed. Toxic in contact with skin. Suspected of causing cancer.
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
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 Acute Dermal Toxicity Category 3 Carcinogenicity