Learn More
Description
It is a red dye used in microscopy as a mordant for the staining of flagella, as well as for detecting elastic tissue in sputum.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Packaging | Glass bottle |
Quantity | 5 g |
Solubility Information | Soluble in acetone,alcohol,acetic acid (red color),and dilute aqueous alkali (blue-violet color). Insoluble in water. |
Physical Form | Powder |
Chemical Name or Material | Orcein |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Product Code |
---|---|---|---|
10252157 | Certificate of Analysis | 19/09/2024 | B20294.03,B20294.06 |
10248879 | Certificate of Analysis | 12/12/2023 | B20294.03,B20294.06 |
10239081 | Certificate of Analysis | 12/04/2022 | B20294.03,B20294.06 |
61300813 | Certificate of Analysis | 23/11/2021 | B20294.03,B20294.06 |
61200189 | Certificate of Analysis | 23/11/2021 | B20294.03,B20294.06 |
Safety and Handling

- Orcein
- Warning
- Acute toxicity Category 4
- H302-Harmful if swallowed.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
- MIXTURE LIST-Contains : Orcein
RUO – Research Use Only
Your input is important to us. Please complete this form to provide feedback related to the content on this product.