Direct Red 2 CAS 992-59-6 Benzopurpurin 4b

• Customization: Available
• CAS No.: 992-59-6
• Formula: C34h29n6nao6s2
• Model NO.: YBC064
• EINECS: 213-594-3
• Environmental Protection: No
• Color: Brown
• Appearance: Powder
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Dark Brown Powder
• 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

Direct Red 2 CAS 992-59-6 Benzopurpurin 4B
 

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:	BENZOPURPURIN 4B
Synonyms:	BENZOPURPURIN B, FOR MICROSCOPY;BENZOPURPURINE 4B, FOR MICROSCOPY,INDICA TOR;Diclosulam, Pestanal;Direct Benzo Purpine 4B;SULTAN 4B;PURPURINE 4B;VICTORIA RED;tertrodirectred4b
CAS:	992-59-6
MF:	C34H29N6NaO6S2
MW:	704.75
EINECS:	213-594-3
Product Categories:	Azo;Organics;Analytical Chemistry;Indicator (pH);pH Indicators
Mol File:	992-59-6.mol

BENZOPURPURIN 4B Chemical Properties

Melting point	>250°C
storage temp.	Amber Vial, -20°C Freezer
solubility	Soluble in water, ethanol, aceto-ne, sodium hy-droxide, sulfuric acid
Colour Index	23500
form	powder
color	Brown
PH Range	1.2(violet)-4(red)
Water Solubility	Soluble in water (20 mg/ml), ace-tone, ethanol (3 mg/ml), sodium hy-droxide, and sulfuric acid.
λmax	500nm
Merck	14,1101
Stability:	Stable. Incompatible with strong oxidizing agents.
Major Application	Liquid crystal displays, thin films, electronic devices, inks, lithographic printing plates, lithographic printing plates, printing and dyeing applications, textiles, lubricants, food storage, microorganism staining agent, treatment of apolipoprotein E-related diseases, antifungal agent
EPA Substance Registry System	C.I. Direct Red 2, disodium salt (992-59-6)

Safety Information

Hazard Codes	T
Risk Statements	45-36/37/38
Safety Statements	53-45-60-37-26
WGK Germany	3
RTECS	QK1765000
F	8
TSCA	Yes
HS Code	29215900
Hazardous Substances Data	992-59-6(Hazardous Substances Data)

 

BENZOPURPURIN 4B Usage And Synthesis

Chemical Properties	dark red or brown powder
Uses	For dyeing primarily cotton and viscose rayon: Colour Index vol. 2 (3rd ed., 1971) p 2101. As an analytical reagent in detection of Al, Mg, Hg, Ag, U; as a biological stain; as pH indicator, violet 1.2 to red 4.0.
Uses	Benzopurpurine 4B is a biological stain and pH indicator for pH 2.3-4.4.
Preparation	3,3′-Dimethylbenzidine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
General Description	Brown to dark red powder.
Air & Water Reactions	Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.

 

Detailed Photos