Eriochrome Black T (C. I. 14645) CAS 1787-61-7 Mordant Black T

• Customization: Available
• CAS No.: 1787-61-7
• Formula: C20h12n3nao7s
• Model NO.: YBC099
• EINECS: 217-250-3
• Environmental Protection: No
• Color: Brownish-Black to Black
• Appearance: Powder/Solid
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Brownish-Black to Black
• 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: IND
• Trademark: Yunbang
• Origin: China

Product Description

Eriochrome Black T (C.I. 14645) CAS 1787-61-7 Mordant Black T
 

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:	Eriochrome Black T
Synonyms:	1-naphthalenesulfonicacid,3-hydroxy-4-((1-hydroxy-2-naphthalenyl)azo)-7-nitro;1-naphthalenesulfonicacid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro;1-Naphthalenesulfonicacid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-,monosodiumsalt;abcolchromeblacktn;abcolchromenavyrzn;acidchromeblacket;chromogeneblackt160;czernkwasowo-chromowaetn
CAS:	1787-61-7
MF:	C20H12N3NaO7S
MW:	461.38
EINECS:	217-250-3
Product Categories:	Dyes and Pigments;Analytical Chemistry;Azo Compounds;Chelating Reagents;Naphthylazo Compounds
Mol File:	1787-61-7.mol

Eriochrome Black T Chemical Properties

density	1.109 g/mL at 25 °C
Fp	185 °C
storage temp.	room temp
solubility	50g/l
form	Powder/Solid
pka	pK1:6.3;pK2:11.55 (25°C)
Colour Index	14645
color	Brownish-black to black
Specific Gravity	1.109
Odor	Odorless
PH	3.7 (10g/l, H2O, 20ºC)
Water Solubility	50 g/L (20 ºC)
Merck	14,3667
BRN	4121162
Stability:	Stable. Incompatible with strong oxidizing agents, strong reducing agents.
CAS DataBase Reference	1787-61-7(CAS DataBase Reference)
EPA Substance Registry System	C.I. Mordant Black 11, monosodium salt (1787-61-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36-36/37/38-36/38
Safety Statements	39-26-37/39-24/25
RIDADR	3077
WGK Germany	2
RTECS	QK2197000
TSCA	Yes
HazardClass	6.1
PackingGroup	III
HS Code	32041900
Toxicity	LD50 oral in rat: 17590mg/kg

 

Eriochrome Black T Usage And Synthesis

Chemical Properties	black powder
Uses	To dye wool from an acid bath reddish-black, which can be converted to blue-black by afterchroming. As indicator in the determination of the total calcium and magnesium content of water.

Detailed Photos