5-Hydroxy-1-(p-sulfophenyl)-4-[(p-sulfophenyl)azo]pyrazole-3-carboxylic acid

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CAS 1934-21-0

Formula C16H9N4Na3O9S2

MDL MFCD00148908

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
962282235116	5-Hydroxy-1-(p-sulfophenyl)-4-[(p-sulfophenyl)azo]pyrazole-3-carboxylic acid (962282235116)		on request	+ -

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Identify

Synonyms:

y-4 ; e102 ; npy4r ; ppyr1 ; c.i.640 ; l-gelb2 ; ci 19140 ; yellow 5 ; tartazine ; tartrazin

CAS:

1934-21-0

EINECS:

217-699-5

Molecular Formula:

C16H9N4Na3O9S2

MDL:

MFCD00148908

Properties

Molecular Weight:

534.36 g·mol−1

Melting point:

300 °C

Safety Information

Hazard Symbols: Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

42/43 (R)

Safety Codes:

22-36/37-45-24/25 (S)

WGK Germany:

RTECS:

UQ6400000

Storage temperature:

-20°C

Prices

As an extract from the researched prices for 5-Hydroxy-1-(p-sulfophenyl)-4-[(p-sulfophenyl)azo]pyrazole-3-carboxylic acid there are currently shown 18 prices in the last 10 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2016 from USD 211.00 for 500 g to USD 63.00 per 500 mg in 2022 .