| CAS No.: | 17372-87-1 |
|---|---|
| Formula: | C20h6br4na2o5 |
| EINECS: | 241-409-6 |
| Colour: | Red |
| Appearance: | Powder |
| Usage: | Food, Ink, Cosmetic |
| Samples: |
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| Customization: |
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Audited Supplier CAS: 17372-87-1 Biological Stain Acid Red 87 Eosin Y
Specification:
Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.
| PROPERTIES | UNIT | SPECIFICATION | VALUE |
| CHARACTERISTIC | Red Powder | Accord with | |
| ODOR | % | Tasteless | Tasteless |
| PURE DYE CONTENT | % | 93.0 | 93.0 |
| WATER INSOLUBLE | % | ≤0.2 | 0.05 |
| SUBSIDIARY DYES | % | ≤1.0 | 0.07 |
| CHLORIDES&SULPHATES PERCENT BY MASS | % | ≤5.0 | 1.5 |
| HCL INSOLUBLE MATTER,PERCENT BY MASS | % | ≤0.5 | 0.3 |
| VOLATILE MATTER AT 105ºC | % | ≤5.0 | 3.68 |
| pH VALUE | 7.0-9.0 | 7.65 | |
| IDENTIFICATION | TLC | accord with |
Advantages:
1. Strong tint ability and dosage is very small.
2. Do not affect transparence of soap.
3. Good lustre.
4. Good lightfastness
5. Vivid color tone.
6. No stains on clothes.
Eosin Y has been used as a stain:
• to determine the location of the brain sections
• for staining of fixed liver tissue
• for histological examination of brain sections from the dorsal hippocampus
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.
MOQ is 1KG. We have 1kg bag and bottle
5KG bottle and 20L bottleSample usually shipped by Fedex, DHL, UPS.
Bulk order can be shipped by sea, air or by railway.
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
Q1: Are manufacturer or trading company?
A: We are manufacturer. You are welcome to visit our factory.
Q2: How to contact with us?
A: Click the "Send your message to this supplier", send us message, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
A: For small order,you can pay on by Paypal, Western Union, Money Gram etc
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 Made-in-China (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.
For More Information Send us Inquiry as below Please !!!
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Audited Supplier 
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