CAS 3564-70-3 Golden Yellow Gk

• Customization: Available
• CAS No.: 3564-70-3
• Formula: C24h14o8s2.2na
• Model NO.: YBC026
• EINECS: 222-648-5
• 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

CAS 1324-11-4  Vat Orange 1
 

Company Informations

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.

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:	disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)
Synonyms:	Vat yellow 4 solubilized (C.I. 59101);C.I. Solubilised Vat Yellow 4;Dibenzo[b,def]chrysene-7,14-diol 7,14-di(sulfuric acid sodium) salt;Dibenzo(B,def)chrysene-7,14-diol, 7,14-bis(hydrogen sulfate), sodium salt (1:2);Dibenzo(B,def)chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt;Einecs 222-648-5;disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate);C.I.Solubilised Vat Yellow 4 :C.I.59101
CAS:	3564-70-3
MF:	C24H14O8S2.2Na
MW:	518.49
EINECS:	2226485
Product Categories:
Mol File:	3564-70-3.mol

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Chemical Properties

EPA Substance Registry System

Dibenzo[b,def]chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt (3564-70-3)

 

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Usage And Synthesis

Preparation

(a) in the presence of Py-ridine, with chlorosulfonic processing C.I. Vat Yellow 4 leuco; (b) used in Py-ridine?metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Yellow 4. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Py-ridine and salting-out.

Properties and Applications

red light yellow. Orange powder. Soluble in water and ac-etone, slightly soluble in alcohol. The strong sulfuric acid for green light yellow, diluted into gold. The solubility in water is good, aqueous solution for under fluorescent light bright yellow. Used for the cotton fabric dyeing as red light yellow, to dead cotton covering power is better. The affinity of cotton fiber medium. This product can be used for printing of cotton, including direct printing, the dye printing, white color printing. Also can be used for silk, wool and PVA dyeing.

Detailed Photos