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2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid

BGC Id:	150908888127
CAS No:	3737-95-9
Synonyms:	hhsnn ; calconcarboxylicacidgr ; cal red ; kalces ; calconcarboxylic aci ; cal-red(r) ; calconcarboxylic acid ; hhsnna ; nnã€dotiteã€‘ ; labotest-bb lt00454622
Molecular Formula:	C21H14N2O7S
Molecular Weight:	438.42
EINECS:	223-117-0

Verified providers in 2025

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

BuGuCh & Partners

Tipo de compañía: Producer

País: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production site ...

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What other providers are available for CAS 3737-95-9?

The last intensive check and update was carried out on 2025/05/30.

Identify

Synonyms:

hhsnn ; calconcarboxylicacidgr ; cal red ; kalces ; calconcarboxylic aci ; cal-red(r) ; calconcarboxylic acid ; hhsnna ; nnã€dotiteã€‘ ; labotest-bb lt00454622

CAS:

3737-95-9

EINECS:

223-117-0

Molecular Formula:

C21H14N2O7S

MDL:

MFCD00004078

Properties

Molecular Weight:

438.42 g·mol−1

Melting point:

300 °C(lit.)

Physical Description:

dark violet powder

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36-37/39 (S)

WGK Germany:

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!

CM Fine Chemicals

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind ... Request

What other providers are available for CAS 3737-95-9?

In addition to the providers presented here for 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid with the CAS number 3737-95-9, there are other 35 providers with slightly different product names available for this CAS number.

Patton

+2 additional providers that we know from the past

Cal Red

+1 additional providers that we know from the past

Calconcarboxylic acid

Calconcarboxylic acid, Reag.

+3 additional providers that we know from the past

Calconcarboxylic acid indicator for metal titration

3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2-naphthalenecarboxylic acid

+2 additional providers that we know from the past

3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid

3-Hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid

+2 additional providers that we know from the past