Naphthol as-Br C. I. 37575 CAS 91-92-9 Naphthol as-Br

• Customization: Available
• CAS No.: 91-92-9
• Formula: C36h28n2o6
• Model NO.: YBC007
• EINECS: 202-108-5
• Environmental Protection: No
• Color: /
• Appearance: /
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: /
• Samples: Available
• Certificates: ISO9001/SGS
• Package: 1g/5g/25g/100g/1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: 98%
• Trademark: Yunbang
• Origin: China

Product Description

Naphthol AS-BR C.I. 37575 CAS 91-92-9 Naphthol AS-BR
 

Company Informations

Hunan Yunbang Biotech Inc. was established in 2008. Its predecessor originated from Beijing Yunbang Biosciences Co., Ltd. and moved to Changsha, Hunan in 2016. Is a professional engaged in research and development, production and sales in one of the raw materials for IVD reagents, Biological buffers, Zwitterionic detergents,Pharmaceutical raw materials and Fine Chemicals.

The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
 

Product Description

General description

BSA is a single polypeptide chain consisting of about 583 amino acid residues and no carbohydrates. At pH 5-7 it contains 17 intrachain disulfide bridges and 1 sulfhydryl group.

Application

Bovine serum albumin is broadly used as an additive to cell culture media, especially serum-free media. It provides a range of benefits including protection from oxidative damage and stabilization of other media components such as fatty acids and pyridoxal.
 

FAQ

1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.

2: What's your MOQ?
A: We can have a discussion.

3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.

4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.

5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.

6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

Product analysis

 

Product Name:	Naphthol AS-BR C.I. 37575
Synonyms:	3,3'-dihydroxy-N,N'-(3,3'-dimethoxybiphenyl-4,4'-diyl)di-2-naphthamide;N,N'-(3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(3-hydroxy- 2-naphthalenecarboxamide;C.I.37575;C.I.Azoic Coupling Component 3;N,N'-(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(3-hydroxy-2-naphthamide);3-hydroxy-N-[4-[4-[(3-hydroxynaphthalen-2-yl)carbonylamino]-3-methoxy-phenyl]-2-methoxy-phenyl]naphthalene-2-carboxamide;3-hydroxy-N-[4-[4-[(3-hydroxynaphthalene-2-carbonyl)amino]-3-methoxy-phenyl]-2-methoxy-phenyl]-2-naphthamide;3-hydroxy-N-[4-[4-[(3-hydroxynaphthalene-2-carbonyl)amino]-3-methoxyphenyl]-2-methoxyphenyl]naphthalene-2-carboxamide
CAS:	91-92-9
MF:	C36H28N2O6
MW:	584.61732
EINECS:	2021085
Product Categories:
Mol File:	91-92-9.mol

Naphthol AS-BR C.I. 37575 Chemical Properties

Boiling point	701.2±60.0 °C(Predicted)
density	1.373±0.06 g/cm3(Predicted)
pka	8.16±0.40(Predicted)
EPA Substance Registry System	2-Naphthalenecarboxamide, N,N'-(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[3-hydroxy- (91-92-9)

 

Naphthol AS-BR C.I. 37575 Usage And Synthesis

Preparation

3,3′-Dimethoxylbenzidine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

brown powder. Insoluble in water, but soluble in adjacent nitro tolu*ene. The strong sulfuric acid in light yellow solution for brown, a green fluorescent; So-dium hyd-roxide solution for in the light yellow brown; Sodium carbonate in solution not dissolve. Melting point 348 ºC, the air is stable. This product is dyed brown render agent, mainly used for dyeing cotton, PVA?and viscose, general is not used for printing. Coloring ph-enol AS-BR render, for red light brown, and reduction brown BR similar. This product to cotton affinity is higher, the pH of the coupling according to the color of the base may be. Dip, improve the temperature can increase the render color quantity.

Detailed Photos