Naphthol black
Buy Naphthol black (CAS 1064-48-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.
About Naphthol black
Naphthol black sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Identity at a glance (Microscopy): CAS 1064-48-8, formula C22H14N6Na2O9S2 and molar mass 616.5 g/mol. Typical appearance is brown to black powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Safe handling
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Available as 10 g, 25 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Applications
Specifications and identifiers
| Product name | Naphthol black |
|---|---|
| Catalogue number | ZX-000644 |
| CAS number | 1064-48-8 |
| IUPAC name | disodium;4-amino-5-hydroxy-3-[(4-nitrophenyl)diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate |
| Molecular formula | C22H14N6Na2O9S2 |
| Molar mass | 616.5 g/mol |
| Exact mass | 616.0059 |
| Grade | Microscopy |
| Physical form | Powder |
| Appearance | Brown to black powder |
| H-bond donors / acceptors | 2 / 14 |
| Topological polar surface area | 273 Ų |
| HS code | 32049000 |
| InChIKey | AOMZHDJXSYHPKS-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)[N+](=O)[O-])N)O.[Na+].[Na+] |
| PubChem CID | 135442942 |
| Synonyms | Buffalo Black NBR, Naphthol Blue Black, Acid black 2, Amido Black 10B, C.I. Acid Black 1, Amido black, C.I. Acid Black 1, disodium salt, Acidal Black 10B, Naphthol Blue Black B, Acidal Navy Blue 3BR, Acid Blue Black, Acid Blue-Black |
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
| 10 g | Quoted on request | |
| 25 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Naphthol black
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Other grades with CAS 1064-48-8
All 6 grades- CAS
- 1064-48-8
- Formula
- C22H14N6Na2O9S2
- MW
- 616.5 g/mol
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- Formula
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- MW
- 237.17 g/mol
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