Orcein, for analysis

Description

Red dye used in microscopy as a mordant for the staining of flagella, as well as for detecting elastic tissue in sputum. | CAS: 1400-62-0 | C28H24N2O7 | 500.507 g/mol

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

Chemical Identifiers

• CAS: 1400-62-0
• Molecular Formula: C28H24N2O7
• Molecular Weight (g/mol): 500.507
• MDL Number: MFCD00062310
• InChI Key: VPEASJIRGSVXBF-UHFFFAOYSA-N
• Synonym: orcein, pacein, 2,8-bis 2,4-dihydroxy-6-methyl-anilino-1,9-dimethyl-dibenzofuran-3,7-dione, 2,8-bis 2,4-dihydroxy-6-methylanilino-1,9-dimethyldibenzo b,d furan-3,7-dione, unii-655waw52f4, orcein 1g, c.i. natural red 28, ncistruc1_000110, ncistruc2_001941, 2,4-dihydroxy-6-methylphenylamino-1,9-dimethyldibenzo b,d furan-3,7-dione
• PubChem CID: 5386447
• IUPAC Name: 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,7-dione
• SMILES: CC1=CC(=CC(=C1NC2=C(C3=C4C(=C(C(=O)C=C4OC3=CC2=O)NC5=C(C=C(C=C5C)O)O)C)C)O)O

• 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

Safety and Handling

Hazard Category	H302
Precautionary Statement	P264b-P270-P301+P312-P330-P501c
EINECSNumber	215-750-6
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only