Orcein, for microscopy

Name: Orcein, for microscopy
Brand: Vaqora Chemicals
SKU: VQ-000672

About Orcein, for microscopy

Listed under CAS 1400-62-0, Orcein is a biological stain available from Vaqora Chemicals in Microscopy grade. Its molecular formula is C28H24N2O7 and its molecular weight is 500.5 g/mol. It is also known as Natural Red 28 or Pacein.

It is supplied as a dark brown to red powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Orcein in 5 g, 10 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Orcein, for microscopy
Catalogue No.	VQ-000672
CAS Number	1400-62-0
IUPAC name	8-(2,4-dihydroxy-6-methylanilino)-2-(2,4-dihydroxy-6-methylphenyl)imino-7-hydroxy-1,9-dimethyldibenzofuran-3-one
Molecular formula	C₂₈H₂₄N₂O₇
Molecular weight	500.5 g/mol
Exact mass	500.1584
Grade	Microscopy
HSN code	32049000
InChIKey	QFIIYGZAUXVPSZ-UHFFFAOYSA-N
SMILES	CC1=CC(=CC(=C1NC2=C(C3=C(C=C2O)OC4=CC(=O)C(=NC5=C(C=C(C=C5C)O)O)C(=C43)C)C)O)O
PubChem CID	72685

Physical properties
Physical form	Powder
Appearance	Dark brown to red powder
LogP (XLogP3)	3.9
H-bond donors / acceptors	6 / 9
TPSA	152 Å²
Synonyms	Natural Red 28, Pacein, Orcein (Synthetic), Orcein (from synthetic), 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,7-dione, 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione, 2,8-Bis((2,4-dihydroxy-6-methylphenyl)amino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione, Orcein, synthetic, C.I. Natural Red 28, 2,8-bis(2,4-dihydroxy-6-methyl-anilino)-1,9-dimethyl-dibenzofuran-3,7-dione, 2,4-dihydroxy-6-methylphenylamino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Orcein, for microscopy?

The CAS Registry Number of Orcein, for microscopy is 1400-62-0. It is also known as Natural Red 28, Pacein, Orcein (Synthetic).

What is the molecular formula and molecular weight of Orcein, for microscopy?

Orcein, for microscopy has the molecular formula C28H24N2O7 and a molecular weight of 500.5 g/mol. Its IUPAC name is 8-(2,4-dihydroxy-6-methylanilino)-2-(2,4-dihydroxy-6-methylphenyl)imino-7-hydroxy-1,9-dimethyldibenzofuran-3-one.

Which grade and pack sizes of Orcein, for microscopy can I order?

We supply Orcein, for microscopy in Microscopy grade, in 5 g, 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Orcein, for microscopy?

Yes. Every lot of Orcein, for microscopy is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Orcein, for microscopy be shipped internationally?

Yes. We export Orcein, for microscopy worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.