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Identify Suppliers 2025 Properties Safty

Direct black NB

BGC Id:	432616076776
CAS No:	1937-37-7
Synonyms:	metablack ; nsc8679 ; erieblackb ; black4embl ; ci 30235 ; nsc47756 ; black2embl ; erie black ; azo black ; nci-c54557
Molecular Formula:	C34H25N9Na2O7S2
Molecular Weight:	781.73
EINECS:	217-710-3

The most competitive supplier in 2025

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

Skyrun Industrial Co., Ltd.

Type de compagnie: Leading producer

phone: +86-576-84015261
fax: +86-576-84015261
pays: P.R.China

Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. Skyrun Industrial Co., Ltd. est un vendeur de Efonidipine. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and internat ...

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What other providers are available for CAS 1937-37-7?

The last intensive check and update was carried out on 2025/07/31.

Identify

Synonyms:

metablack ; nsc8679 ; erieblackb ; black4embl ; ci 30235 ; nsc47756 ; black2embl ; erie black ; azo black ; nci-c54557

CAS:

1937-37-7

EINECS:

217-710-3

Molecular Formula:

C34H25N9Na2O7S2

MDL:

MFCD00066363

Properties

Molecular Weight:

781.73 g·mol−1

Melting point:

109-110 °C

Safety Information

Hazard Symbols: T

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

45-63 (R)

Safety Codes:

53-45 (S)

WGK Germany:

RTECS:

QJ6160000

What other providers are available for CAS 1937-37-7?

In addition to the providers presented here for Direct black NB with the CAS number 1937-37-7, there are other 41 providers with slightly different product names available for this CAS number.

Azo Black

+4 additional providers that we know from the past

Direct Black 38

Zehao Industry Co., Ltd. | Tianjin Norland Biotech Co., Ltd. +10 additional providers that we know from the past

Direct Black EX

Simagchem Corporation | Xiamen Hisunny Chemical Co., Ltd. | Xiamen Equation Chemical Co.,Ltd +2 additional providers that we know from the past

Chlorazol Black E

Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +9 additional providers that we know from the past

Azo black C.I. no. 30235-carc

+2 additional providers that we know from the past

Chlorazol black for microscopy

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2)

Xingrui Industry Co., Limited +1 additional providers that we know from the past