Note: Ingredients listed on restricted chemical lists
EC/CAS
209-358-4/573-58-0
Name of the chemical
C.I. Direct Red 28
Concentration
100%
General Information
Version
1.0 en
Revision date
2025-03-31
Product name
Congo red (C.I. 22120) for microscopy
Product Synonyms
Disodium-3,3"[[1,1-biphenyl]-4,4"- diyl(bis(azo)]bis(4-aminonaphthalin-1-sulfonate), Direct Red 28
CAS No.
573-58-0
REACH No
It
1.2.2. Uses advised against
Do not use for products which come into contact with foodstuffs. Do not use for private purposes (household). Food, drink and animal feeding- stuffs
Emergency telephone
+41 61 7121160
Icons in SDS
Company Information
company name
Carl Roth GmbH + Co. KG
e-mail address of the competent person responsible for the Safety Data Sheet
sicherheit@carlroth.de, info@carlroth.ch
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H350, H361d
Hazard statements
Code
Statements
H350
May cause cancer
Section 2
SECTION 2: Hazards identification
According to Regulation (EC) No 1272/2008 [CLP Classification of the substance or mixture
Hazard categories
Cat- Hazard class and Hazard egory category statement 3.6 Carcinogenicity 1B Carc. 1B H350 3.7 Reproductive toxicity Repr. 2 H361d For full text of abbreviations: see SECTION 16
Signal word
Danger Danger Not required
Hazard pictograms
GHS08 H350 May cause cancer. H361d Suspected of damaging the unborn child. P202 Do not handle until all safety precautions have been read and understood. P308+P313 IF exposed or concerned: Get medical advice/attention. Labelling of packages where the contents do not exceed 10 ml
Hazard statements
H350 May cause cancer H361d Suspected of damaging the unborn child Not required
Prevention
P202 Do not handle until all safety precautions have been read and understood
Response
P308+P313 IF exposed or concerned: Get medical advice/attention For professional users only Labelling of packages where the contents do not exceed 125 ml
Precautionary statements
Not required
Results of PBT and vPvB assessment
According to the results of its assessment, this substance is not a PBT or a vPvB. Endocrine disrupting properties Does not contain an endocrine disruptor (ED) at a concentration of ≥ 0,1%.
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 (CLP) Section Hazard class Cat- Hazard class and Hazard egory category statement 3.6 Carcinogenicity 1B Carc. 1B H350 3.7 Reproductive toxicity 2 Repr. 2 H361d For full text of abbreviations: see SECTION 16
