Manufacturer supply Water Soluble eosin yellow y powder 98% CAS 548-26-5 pure eosin y

1. Basic information

Nicknames: Tetrabromofluorescein, Ink Red, Weak Acid Red A, Eosin Y, Solvent Red 45, etc.

Molecular formula: C ₂₀ H ₆ Br ₄ Na ₂ O ₅.

Molecular weight: 647.89.

Appearance: Red to dark red crystalline powder.

2. Physical and chemical properties

Solubility: Slightly soluble in methanol and water, soluble in alcohol and acetic acid, and its potassium and sodium salts soluble in water.

Stability: It has hygroscopicity and should be stored in amber colored small bottles- Freeze at 20 ° C and store in an inert atmosphere.

Density: 2.41g/cm ³.

Boiling point: 682.3 ℃ at 760mmHg.

Refractive index: 1.842.

3. Purpose

a. Dyeing field: It can be used for dyeing fibers such as silk, cotton, wool, etc., which can make these fabrics appear bright red.

b. Ink manufacturing: It is a commonly used raw material for making red ink and red pencils, which gives the ink used for writing and painting good color and stability.

c. Cosmetics industry: It is used as colorant in some cosmetics, such as lipstick, eye shadow, etc., to add color to cosmetics.

d. Biomedical: used as a biological staining agent for staining biological tissue sections, cell smears, etc., in order to observe the structure and morphology of biological samples under a microscope; It can also be used for photometric determination of silver and as an adsorption indicator.

e. Other fields: Can be used to dye automotive fuel and other products for identification or differentiation purposes.

Packaging Details: 25 kg/bag or as your requirement.
Port: Tianjin/ Qingdao/ Shanghai, etc.
We can ship the samples by air.
Lead Time: Within 2~3days Shipment after receiving the advance payment or original L/C.

XI'AN YI HANG CHEMICAL CO.,LTD was founded in 2002, located in xian City, shannxi, China. We are the high-tech chemical enterprise which specialized in researching, manufacturing and trading for chemical raw materials ,our products widely used in paints, textile, rubber, leather, plastic and so on.

With many years development and operation,we have become the group company for chemical production,we have the owned factory for produce stable quality products with high performance, and the advanced lab to ensure the best quality of each batch products.

We have our strictly quality control in our production, and we have passed ISO9001:2015 Quality Management System Certification and ISO14001 Environment Management System Certification.

Our main products includes Titanium Dioxide, Lithopone, Iron Oxide series, Chrome Oxide Green, Zinc Oxide, Carbon Black, STPP, SHMP, Oxalic Acid, DOP, SLES, and so on.

Q1: Are you manufacturer or trading company?

A1:Manufacturer.

Q2: Can I get some sample?
A2: Yes, usually 10-25g sample for free.

Q3: Is there a discount?
A3: Of course, welcome to contact us. Price would be different based on different quantity. For bulk
quantity, we will have discount for you.

Q4: How long for production and delivery?
A4: Most products we have in stock, sent time:Within 1-3 business days after received payment. Customized products further discussed.

Q5: Do you accept ODM or OEM service?
A5: Yes,we accept ODM and OEM services, ranges: Soft gel, Capsule, Tablet, Sachet, Granule,Private Label service, etc. Please contact us to design your own brand product.

Q6: How to deliver the goods?
A6: ≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have special request on delivery, please contact us.

Q7: How to start orders or make payments?
A7:There are two ways for you to confirm order:
1. Proforma invoice with our company bank details will be sent to you once the order confirmed by Email. Pls arrange payment by TT. Goods will be sent after received payment within 1-3 business days.
2. Trade assurance order will be drafted for you through ALIBABA. Pls confirm and pay through Alibaba. Goods will be sent after received payment within 1-3 business days.