Eosin CAS 17372-87-1 Acid Red 87 Eosin Y

• Customization: Available
• CAS No.: 17372-87-1
• Formula: C20h6br4na2o5
• Model NO.: YBC097
• EINECS: 241-409-6
• Environmental Protection: No
• Color: Reddish
• Appearance: Solid
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Reddish
• 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: BS, 85%
• Trademark: Yunbang
• Origin: China

Product Description

EOSIN CAS 17372-87-1 Acid Red 87 Eosin Y
 

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:	EOSIN
Synonyms:	disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate;waterred2;Eosin Disodium;AKA230(1);AKA230(2);RED 21 LAKE;EOSIN Y, INDICATOR GRADE;EOSIN Y, 5 WT. % SOLUTION IN WATER
CAS:	17372-87-1
MF:	C20H6Br4Na2O5
MW:	691.85418
EINECS:	241-409-6
Product Categories:	Inhibitors;Fluorescent;Dyes and Pigments;Organics;M;Xanthene;Stains and Dyes;Stains&Dyes, A to;Hematology and Histology;Hematology Stains;Fluorescent Labels;Fluorescent Probes, Labels, Particles and Stains;Other Fluorescent Labels
Mol File:	17372-87-1.mol

EOSIN Chemical Properties

Melting point	>300°C
density	1.02 g/mL at 20 °C
vapor pressure	0Pa at 25ºC
Fp	11 °C
storage temp.	Store at RT.
solubility	H2O: 0.1 g/mL, dark red
pka	2.9, 4.5(at 25ºC)
Colour Index	45380
form	Solid
color	Reddish
PH	9.2 (10g/l, H2O, 20ºC)
PH Range	0(yellow)-3(green fluoresc.)
Water Solubility	freely soluble
λmax	514nm
Merck	14,3603
BRN	3586809
Stability:	Stable. Incompatible with strong oxidizing agents.
Biological Applications	Treating age-related macular degeneration,burns,cancer,diabetes,obesity,dental bone defects,gastroesophageal reflux disease,prostate cancer,viral diseases; stents; wound-healing materials
Major Application	Photovoltaic devices, color filter, nanoscale host material, detection of latent fingerprints, inks, detergents, hair dyes, cosmetics, implantable drug delivery devices, stents, diagnosis of breast lesions, labeling nucleic acids, detecting proteins, stress biomarkers, phosphoprotein, breast cancer metastases, antimicrobial agent, treatment of burns, endodontic, diabetes, obesity, cancer, radiochemotherapy, DNA sequencing, gene expression profiling, wound healing promoters
LogP	-1.33
CAS DataBase Reference	17372-87-1(CAS DataBase Reference)
EPA Substance Registry System	Eosin Yellowish (YS) (17372-87-1)

Safety Information

Hazard Codes	F,T,Xn,Xi
Risk Statements	11-23/24/25-39/23/24/25-52/53-41-22-36-10
Safety Statements	7-16-36/37-45-24/25-61-39-26
RIDADR	UN 1230 3/PG 2
WGK Germany	1
RTECS	LM5850000
TSCA	Yes
HS Code	32041200
Toxicity	LD50 orally in Rabbit: > 2000 mg/kg

 

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