Direct Black 80

BGC Id:	981292681624
CAS No:	8003-69-8
Synonyms:	fabramine black ob ; vicorect diazo black ob. ; directblackob ; c.i. direct black 80 ; benzo black ob-v ; c.i. direct black 80. ; dinamine diazo black nb-ob ; dycosdirect black tob ; black ob ; fabramine black ob-nj ; saturn black ob ; 2-naphthalenesulfonicacid,6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
Molecular Formula:	C36H23N8O11S3.3Na
Molecular Weight:	908.791
EINECS:	232-322-4

The most competitive supplier in 2025

The following notable provider has been checked and can be recommended.

Leap Chem Co., Ltd

Tipo de companhia: Bulk and laboratory supplier

telefone: +852-30606658
país: P.R.China

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer se ...

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What other providers are available for CAS 8003-69-8?

The last intensive check and update was carried out on 2025/09/28.

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Synonyms:

fabramine black ob ; vicorect diazo black ob. ; directblackob ; c.i. direct black 80 ; benzo black ob-v ; c.i. direct black 80. ; dinamine diazo black nb-ob ; dycosdirect black tob ; black ob ; fabramine black ob-nj ; saturn black ob ; 2-naphthalenesulfonicacid,6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)

CAS:

8003-69-8

EINECS:

232-322-4

Molecular Formula:

C36H23N8O11S3.3Na

MDL:

Properties

Molecular Weight:

908.791 g·mol−1

Physical Description:

dark blue to black powder

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

American Dyestuff Corp.

American Dyestuff Corp is a continuation in the dyes, pigment, fluorescent whitener business of the Rabinowitz family, founders of Atlantic Chemical C... Request

What other providers are available for CAS 8003-69-8?

In addition to the providers presented here for Direct Black 80 with the CAS number 8003-69-8, there are other 5 providers with slightly different product names available for this CAS number.

Direct black OB

Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +2 additional providers that we know from the past