Chlorazole black E
Chlorazole black E (CAS 1937-37-7) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-018748.
About Chlorazole black E
Zemixal supplies Chlorazole black E within its laboratory Chemicals & Reagents portfolio. For your records, the material is defined by CAS 1937-37-7, formula C34H25N9Na2O7S2 and molar mass 781.7 g/mol.
Where it is used
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Storage and safety notes
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Standard pack sizes are 5 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Applications
Specifications and identifiers
| Product name | Chlorazole black E |
|---|---|
| Catalogue number | ZX-018748 |
| CAS number | 1937-37-7 |
| IUPAC name | disodium;4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]phenyl]diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonate |
| Molecular formula | C34H25N9Na2O7S2 |
| Molar mass | 781.7 g/mol |
| Exact mass | 781.1114 |
| H-bond donors / acceptors | 4 / 16 |
| Topological polar surface area | 304 Ų |
| InChIKey | XRPLBRIHZGVJIC-UHFFFAOYSA-L |
| SMILES | C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+] |
| PubChem CID | 5284349 |
| Synonyms | Chlorozol Black E, Direct Black 38, C.I. Direct Black 38, Chlorazol Black E, Chlorazol black, Calcomine Black, Meta Black, Carbide Black E, Diazine Black E, Fenamin Black E, Fixanol Black E, Amanil Black GL |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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