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beta-Naphthol Violet

BGC Id:110298455834
CAS No:7143-21-7
Synonyms:2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[(4-nitrophenyl)azo]-, disodium salt (9CI) ; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(p-nitrophenyl)azo]-, disodiumsalt (7CI,8CI) ; 2-Naphthol-3,6-disulfonic acid, 1-(p-nitrophenylazo)-, disodiumsalt (6CI) ; 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
Molecular Formula:C16H11 N3 O9 S2 . 2 Na
Molecular Weight:497.37
EINECS:
Structural Formula

Verified providers in 2025

The following 4 notable providers have been checked and can be recommended.
The last intensive check and update was carried out on 2025/09/04.

Identify

Synonyms:
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[(4-nitrophenyl)azo]-, disodium salt (9CI) ; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(p-nitrophenyl)azo]-, disodiumsalt (7CI,8CI) ; 2-Naphthol-3,6-disulfonic acid, 1-(p-nitrophenylazo)-, disodiumsalt (6CI) ; 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
CAS:
7143-21-7
EINECS:
Molecular Formula:
C16H11 N3 O9 S2 . 2 Na
MDL:
MFCD00021457

Properties

Molecular Weight:
497.37 g·mol−1
Density:
1.8 g/cm3
Melting point:
122 °C
Boiling point:
285 °C
Solubility:
Soluble in water.
download Download Molfile for :
β-Naphthol Violet

Suppliers

JieJie Group Co., Ltd.

Shanghai JieJie Chemical Co., Ltd is a pharmaceutical and chemical enterprise for the research and production, it built in 2009. Our core business is custom synthesis and contract manufacturing for advanced and bulk APIs, Pharmaceutical intermediates, water soluble polymer and special chemicals, from gram to multitons scale. "Meeting the demand of customers" is our motto. We are confident to be your preferred outsourcing partner.Our aim is to be one of the reliable enterprise ...
國家: P.R.China   打電話: +86 21-51698675   傳真: +86 21-61294690

Dayang Chem (Hangzhou) Co.,Ltd.

公司類型: Leading producer
國家: P.R.China
打電話: +86-571-88938639
傳真: +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. 1-Amino-4-(phenylthio)anthraquinone也將會由我們提供。 We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

BIOZOL Diagnostica Vertrieb GmbH

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. 我們提供我們的化工產品1,2:5,6-Di-O-isopropylidene-L-chiro-inositol。 We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...
公司類型: Supplier of chemical products
國家: Germany
打電話: +49-871-966346-0
傳真: +49-871-966346-13

BuGuCh & Partners

公司類型: Producer
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 ...
國家: Germany  

Safety Information

Hazard Classes:
Risk Codes:
R36/37/38; (R)





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