Note: Ingredients listed on restricted chemical lists
EC/CAS
573-58-0
Name of the chemical
C.I. Direct Red 28
Concentration
>99
General Information
Version
ACR11050
Revision date
2026-07-07
Product name
Congo red
Product Synonyms
Direct Red 28; C.I. 22120
CAS No.
573-58-0
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)
H350, H361
Hazard statements
Code
Statements
H350
May cause cancer
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Red brown Odorless Emergency Overview May cause cancer. Suspected of damaging fertility or the unborn child. Classification of the substance or mixture Carcinogenicity Category 1B Reproductive Toxicity Category 2 Label Elements
Signal word
Danger Hazard Statements H350 - May cause 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 P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P308 + P313 - IF exposed or concerned: Get medical advice/attention
Storage
P403 - Store in a well-ventilated place
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
May cause 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. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Carcinogenicity Category 1B Reproductive Toxicity