186
HARLECO® Congo Red
Powder
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: 800-645-5439
E-mail: Customer.CareDesk@emdchemicals.com
20 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | Certified Biological Stain | ||
| Synonyms | Direct Red | ||
| Chemical formula | C32H22N6Na2O6S2 | ||
| Molar mass | 696.67 | ||
| CAS number | 573-58-0 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Merck USA index | 13 2524 | ||
| Molar mass | 696.67 | ||
| Specifications | |
|---|---|
| Absorption maximum lambda | 497-500nm |
| BSC Certification | Passes |
| Dye content | 75% min |
| Ratio of absorbances | 0.99-1.04 |
| Supplemental information | |||
|---|---|---|---|
| General composition | Chemical indicator, pH range 3.0-5.0. Color change, blue-red. | ||
| General product use | Used for cytoplasmic staining of paraffin sections fixed in Bouin’s fluid. Also a general tissue stain for use as a cytoplasmic counterstain. | ||

