Top Sale C. I. Acid Red 87 Eosin Y (water soluble) C20h6br4na2o5 Eosin CAS 17372-87-1

• CAS No.: 17372-87-1
• Formula: C20h6br4na2o5
• EINECS: 241-409-6
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Einecs No.: 241-409-6
• Model NO.: JLAYF20231201
• Chemical Name: Eosin
• Sample: Availiable
• Transport Package: 25kg/Bag
• Trademark: UNILONG
• Origin: China
• Production Capacity: 50000kg/Month

Product Description

Top Sale C.I. Acid Red 87 Eosin Y ( water soluble ) C20H6Br4Na2O5 EOSIN CAS 17372-87-1

 

Quick Description

Water soluble eosin Y is a chemically synthesized acidic dye that dissociates into negatively charged anions in water and combines with positively charged amino cations of proteins to cause cytoplasmic chemobook staining

Product Description

Appearence	Red powder
Molecular Formula	C20H6Br4Na2O5
Molecular Weight	691.85418
Application	API
EINECS No.	241-409-6

 

Eosin Y is used as a biological staining agent. It is also used as an adsorption indicator for precipitation titration determination of Br -, I -, SCN -, MoO, Ag+, etc. Used as a chromogenic agent for fluorescence spectrophotometry to determine Ag+, Pb2+, Mn2+, Zn2+, etc.

Packaging & Shipping

25kgs/bag,20tons/20'container

Company Profile

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials. 
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.

Our Advantages

FAQ

Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.

Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample

Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.

Q4: Do you accept third party inspection?
A4: Yes.we do.

Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.

Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.

Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.