Fluorescein Disodium Salt CAS 518-47-8 Fluorescein Sodium

• Customization: Available
• CAS No.: 518-47-8
• Formula: C20h13nao5
• Model NO.: YBC116
• EINECS: 208-253-0
• Environmental Protection: No
• Color: Rust-Orange
• Appearance: Powder
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Rust-Orange
• 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: AR
• Trademark: Yunbang
• Origin: China

Product Description

Fluorescein disodium salt CAS 518-47-8 Fluorescein Sodium
 

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:	Fluorescein Sodium
Synonyms:	9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt;9'-(9h)xanthen)-3-one,3',6'-dihydroxy-spiro(isobenzofuran-1(3hdisodiums;9'-[9h]xanthen]-3-one,3',6'-dihydroxy-spiro[isobenzofuran-1(3hdisodiumsal;9-o-carboxyphenyl-6-hydroxy-3-isoxanthone,disodiumsalt;abcoluraninepowders&liquids;aizenuranine;c.i.45350disodiumsalt;c.i.45350sodiumsalt
CAS:	518-47-8
MF:	C20H13NaO5
MW:	356.31
EINECS:	208-253-0
Product Categories:	Fluorescent;Xanthene;Intermediates of Dyes and Pigments;Dyes and Pigments;Pharmaceutical intermediates;518-47-8
Mol File:	518-47-8.mol

Fluorescein Sodium Chemical Properties

Melting point	320 °C
density	0.579[at 20ºC]
vapor pressure	2.133hPa
storage temp.	Store at +5°C to +30°C.
solubility	H2O: soluble1mg/mL
pka	2.2, 4.4, 6.7(at 25ºC)
form	Powder
Colour Index	45350
color	Rust-orange
Odor	Odorless
PH	8.3 (10g/l, H2O, 20ºC)
PH Range	Pink uorescence (4.0) to green uorescence (6.0)
Water Solubility	500 g/L (20 ºC)
λmax	491nm, 493.5nm, 490nm
Merck	14,4159
BRN	3833041
Stability:	Stable.
Major Application	Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
InChIKey	NJDNXYGOVLYJHP-UHFFFAOYSA-L
LogP	0.34
CAS DataBase Reference	518-47-8(CAS DataBase Reference)
EPA Substance Registry System	Fluorescein, disodium salt (518-47-8)

Safety Information

Hazard Codes	Xi
Risk Statements	36-36/37/38
Safety Statements	22-24/25-37/39-26-36/37/39-27
WGK Germany	1
RTECS	LM5425000
F	3
TSCA	Yes
HS Code	32041200
Hazardous Substances Data	518-47-8(Hazardous Substances Data)
Toxicity	LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)

 

Detailed Photos