Naphthol as-BS CAS 135-65-9 3-Hydroxy-3′-Nitro-2-Naphthanilide

• CAS No.: 135-65-9
• Formula: C17h12n2o4
• EINECS: 205-209-2
• Environmental Protection: No
• Color: Light Yellow to Brown to Dark Green
• Appearance: Particulate/Powder
• Model NO.: YBC004
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Light Yellow to Brown to Dark Green
• 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: 95%
• Trademark: Yunbang
• Origin: China

Product Description

NAPHTHOL AS-BS CAS 135-65-9 3-Hydroxy-3'-nitro-2-naphthanilide
 

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:	3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide
Synonyms:	DaitoGrounderBS;DiatholBS;KambotholAS-BS;NaphtazolB;NAPHTHOL AS-BS;3-hydroxy-n-(3-nitrophenyl)-2-naphthalenecarboxamid;AcnaNaphtholM;C.1.AzoicCouplingComponent17(37515)
CAS:	135-65-9
MF:	C17H12N2O4
MW:	308.29
EINECS:	205-209-2
Product Categories:	Intermediates of Dyes and Pigments;pigments
Mol File:	135-65-9.mol

3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide Chemical Properties

Melting point	246-247°C
Boiling point	448.0±30.0 °C(Predicted)
density	1.449±0.06 g/cm3(Predicted)
vapor pressure	0.001Pa at 20ºC
form	Solid:particulate/powder
Colour Index	37515
pka	8.65±0.40(Predicted)
color	Light yellow to Brown to Dark green
LogP	4.3 at 23ºC and pH7.1-7.5
CAS DataBase Reference	135-65-9(CAS DataBase Reference)
EPA Substance Registry System	2-Naphthalenecarboxamide, 3-hydroxy-N-(3-nitrophenyl)- (135-65-9)

Safety Information

Risk Statements	36
Safety Statements	36-26
HS Code	29420000

MSDS Information

 

3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide Usage And Synthesis

Preparation

M-nitr-oaniline and 3-Hydroxy-2-naphthoic acid?condensation.

Properties and Applications

pale yellow powder, melting point of 246 ~ 247 ºC. Insoluble in water solution and sodium carbonate, soluble in acetic acid. Sodium hydr-oxide solution for yellow in the liquid. Sensitive to air. Mainly used for cotton yarn, cotton, PVA, viscose and silk dyeing and discharge printing of cotton fabric. Can be used to make quick pigment, neutral grain and organic pigments. This product to finish high affinity, coupled ability medium.

 

Detailed Photos