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2-Diazo-1-oxo-5-naphthalene sulfonic acid sodium salt

BGC Id:	502114451136
CAS No:	2657-00-3
Synonyms:	2-dinzo-1-oxo-5-naphttalehe sulfonic acid ; diazosalt ; diazo 10 ; sodium 2-diazo-1-naphthol-5-sulfonate ; 2-diazo-1-naphthol-5-sulfonic acid sodium salt ; sodium 2-diazo-1-naphthol-5-sulfonate hydrate ; 2-diazo-1-naphthol-5-sulfonic ; na-125 ; [research for photosensitive material] ; sodium 2,1-diazonaphthol-5-sulfonate hydrate
Molecular Formula:	C10H5N2NaO4S
Molecular Weight:	272.22
EINECS:	220-189-5

Verified providers in 2025

The following 2 notable providers have been checked and can be recommended.

Dayang Chem

Carbone Scientific

What other providers are available for CAS 2657-00-3?

The last intensive check and update was carried out on 2025/03/27.

Identify

Synonyms:

2-dinzo-1-oxo-5-naphttalehe sulfonic acid ; diazosalt ; diazo 10 ; sodium 2-diazo-1-naphthol-5-sulfonate ; 2-diazo-1-naphthol-5-sulfonic acid sodium salt ; sodium 2-diazo-1-naphthol-5-sulfonate hydrate ; 2-diazo-1-naphthol-5-sulfonic ; na-125 ; [research for photosensitive material] ; sodium 2,1-diazonaphthol-5-sulfonate hydrate

CAS:

2657-00-3

EINECS:

220-189-5

Molecular Formula:

C10H5N2NaO4S

MDL:

Properties

Molecular Weight:

272.22 g·mol−1

Suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

Unternehmensart: Leading producer

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. Dayang Chem (Hangzhou) Co.,Ltd. ist Verkäufer von Ethyl L-menthyl carbonate. We expect to cooperate with more partners in ...

Land: P.R.China Telefon: +86-571-88938639 Fax: +86-571-8893-8652

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Carbone Scientific Co., Ltd.

Unternehmensart: Supplier

Land: U.K.
Telefon: +44 (0)203 769 4441 ext 1
Fax: +44 (0)203 769 4441 ext 2

Carbone scientific is located at London, UK. Zusätzlich wird Sebacoyl chloride durch uns geliefert. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...

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Safety Information

Hazard Symbols: F

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

11 (R)

Safety Codes:

16-26-33-36 (S)

WGK Germany:

RID / ADR:

UN 3226 4.1

What other providers are available for CAS 2657-00-3?

In addition to the providers presented here for 2-Diazo-1-oxo-5-naphthalene sulfonic acid sodium salt with the CAS number 2657-00-3, there are other 30 providers with slightly different product names available for this CAS number.

Diazo 10

+1 additional providers that we know from the past

Diazo salt

+3 additional providers that we know from the past

Diazo-2,1,5-sodium salt

+3 additional providers that we know from the past

2-Diazo-1-naphthol-5-sodiumsulfonate 1-hydrate

2-Diazo-1-naphthol-5-sulfonic acid sodium salt

1,2-Naphthoquinonediazide-5-sulfonic acid sodium salt 1-hydrate

+2 additional providers that we know from the past