CAS No. 518-47-8 Acid Yellow 73/Uranine/ Fluorescein Disodium Salt

• CAS No.: 518-47-8
• Formula: C20h10na2o5
• EINECS: 208-253-0
• Colour: Yellow
• Appearance: Powder
• Usage: Ink, Coolant, Cutting Fluid
• Model NO.: YG-52
• Application Material: Biological Stain
• Name: Acid Fluoresceine
• Content: 200%
• Type: Acid Dye
• Chemical Construction: Azo Type
• C.I.No.: Uranine
• Advantage: Fluorescent
• Sample: Welcomed
• Purity: 85%
• Application: Ink, Soap, Bath Bomb
• Feature: Acid Fluoresceine
• Shade: Fluorescent Yellow
• Transport Package: Drum
• Specification: 25/kg
• Trademark: JQM
• Origin: China
• HS Code: 3214170000
• Production Capacity: 1000000

Product Description

CAS No. 518-47-8 Acid Yellow 73/Uranine/ Fluorescein Disodium Salt

Fluorescein sodium is odorless and hygroscopic. Dissolved in water, the solution is yellow-red with strong yellow-green fluorescence, disappears after acidification, and reappears after neutralization or alkalization, slightly soluble in ethanol, almost insoluble in ether. Aqueous solutions are isotonic with plasma.
 

Specification

Product Name	High Purity Acid Yellow 73 CAS 518-47-8 Fluorescein Sodium Powder
Appearance	White Fine Powder
Molecular formula	C20h10na2o5
Molecular Weight	356.31
Keywords	Pharmaceutical Grade Fluorescein Sodium;Fluorescein Sodium Powder;Raw Materials Fluorescein Sodium
Shelf Life	24 months when properly stored
Storage	Keep in a cool, dry, dark location

Application

Fluorescein sodium is odorless and hygroscopic. Dissolved in water, the solution is yellow-red with strong yellow-green fluorescence, disappears after acidification, and reappears after neutralization or alkalization, slightly soluble in ethanol, almost insoluble in ether. Aqueous solutions are isotonic with plasma..

Company Profile

HUNAN JQMATERIAL Co.,Ltd is reputable supplier specialized in pigments and dyes since 2010. After years of development, the company has an experienced sales and after-sales service team.    

Strict quality guarantee system and perfect management system, high-quality products after-sales service is our foothold. Based on "quality first, reputation first" principle , provide customers with qualified colorants food, cosmetic and pharmaceutical industries and organic intermediate for dyes and pharmaceutical industry.

Packaging & Shipping

MOQ is 1KG. We have 1kg bag and bottle

5KG bottle and 20L bottle
25KG/Box and 25KG/Bag

Sample usually shipped by Fedex, DHL, UPS. 
Bulk order can be shipped by sea, air or by railway.

Our Service

1. Before shipment, free sample for test

2. Packing as your request, with photo before shipment

3. Cargoes photo before and after loading into container

4. Fast shipment by reputed shipping line

5. Best service after shipment with emails
 

Exhibition

FAQ

Q1: Are manufacturer or trading company?

A: We are manufacturer. You are welcome to visit our factory.

Q2: How to contact with us?

 

Q3:Which kind of payment terms do you accept?

A: For small order,you can pay on Alibaba by trade assurance.

     For bulk order, you can pay to our company's bank account.

Q4:How can I make payment safe?

A: The whole transaction is under Alibaba's (Third party) inspection

Q5:How can I get a sample?

A few sample is free but you need to pay for the shipping cost.we normally send sample by FEDEX, DHL,EMS. 

Q6: Is it possible to custom the labels with our own design?

A: Yes,  just send us your artworks, you will get what you want

For More Information Send us Inquiry as below Please !!!