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Acid Yellow 23

BGC Id:800591095617
CAS No:1934-21-0
Synonyms:y-4 ; e102 ; npy4r ; ppyr1 ; c.i.640 ; l-gelb2 ; ci 19140 ; yellow 5 ; tartazine ; tartrazin
Molecular Formula:C16H9N4Na3O9S2
Molecular Weight:534.36
EINECS:217-699-5
Structural Formula

Verified providers in 2025

The following 5 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C16H9N4Na3O9S2 Molecular Weight: 534.36

Chemical-Suppliers
BuGuCh & Partners
Acid Yellow 23 Basic information Product Name: Acid Yellow 23 Synonyms: CI NO 19140;CI ACID YELLOW 23;CI 19140;E102;LAKE TARTRAZINE;KITON YELLOW T;HYDRAZINE YELLOW;FOOD YELLOW NO 4 CAS: 1934-21-0 MF: C16H9N4Na3O9S2 MW: 534.36 EINECS: 217-699-5 Mol File: 1934-21-0.mol Acid Yellow 23 Structure Acid Yellow 23 Chemical Properties mp 300 °C storage temp. -20°C Colour Index 19140 Water Solubility 260 g/L (30 ºC) Sensitive Hygroscopic Merck 14,9072 Stability: Stable. Hygroscopic. Incompatible with strong oxidizing agents. EPA Substance Registry System 1H- >>more

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

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
download Download Molfile for :
Tartrazine

Suppliers

Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Zehao Industry Co., Ltd. är en säljare av 2-Methoxy-3-methylpyrazine. Our capabilities are comprised of our manufacturi ...
land: P.R.China   telefon: +86-531-88909322   fax: +86-531-88909322

Dayang Chem (Hangzhou) Co.,Ltd.

företagets typ: Leading producer
land: P.R.China
telefon: +86-571-88938639
fax: +86-571-8893-8652
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. Dessutom Nemoralisin c levereras av oss. We expect to cooperate with more partners in ...

Leap Chem Co., Ltd

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 services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...
företagets typ: Bulk and laboratory supplier
land: P.R.China
telefon: +852-30606658

Skyrun Industrial Co., Ltd.

företagets typ: Leading producer
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. erbjuder också Alibendol. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
land: P.R.China   telefon: +86-576-84015261   fax: +86-576-84015261

BuGuCh & Partners

företagets typ: Producer
land: 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 sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

Safety Information

Hazard Classes:
Risk Codes:
42/43 (R)
Safety Codes:
22-36/37-45-24/25 (S)
WGK Germany:
1
RTECS:
UQ6400000
Storage temperature:
-20°C

What other providers are available for CAS 1934-21-0?

In addition to the providers presented here for Acid Yellow 23 with the CAS number 1934-21-0, there are other 42 providers with slightly different product names available for this CAS number.

United New Materials Technology SDN.BHD.
IBIS Chemie International | OPQ Chemical Co., Ltd | Simagchem Corporation | Xi'an Taicheng Chem Co., Ltd | Unilong Industry Co.,Ltd | Sancai Industry Co.,Ltd. | H&Z Industry Co.,Ltd | Lori Industry Co., Ltd | Zehao Industry Co., Ltd. | Xiamen Equation Chemical Co.,Ltd | Leap Chem Co., Ltd | BuGuCh & Partners +21 additional providers that we know from the past
+1 additional providers that we know from the past
+2 additional providers that we know from the past
BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners




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