Basic Dyes

Description

Basic Dyes · CAS 477-73-6 · C20H19N4.Cl. UNII XTX0YXU2HV.

Identification

CAS Registry Number	477-73-6
PubChem CID	2723800
Molecular formula	C20H19N4.Cl
IUPAC name	3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride
UNII (FDA)	XTX0YXU2HV

Computed Descriptors

Molecular Weight	350.8
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	1
Exact Mass	350.1298243
Monoisotopic Mass	350.1298243
Topological Polar Surface Area	68.8
Heavy Atom Count	25
Formal Charge	0
Complexity	405

Physical description & handling notes

• Dark brown solid; [MSDSonline]
• CATIONIC

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Hair dyeing
GHS notification summary	2.8% (2 / 71)

GHS Hazard Classification

GHS notification summary	2.8% (2 / 71)
Reported hazard statements	H315 (16.9%), H318 (76.1%), H319 (18.3%)

Documented Uses

• Used as a dye; [HSDB] Azine dye; [Kirk-Othmer] An azine dye used to dye leather; [Ullmann]
• Leather Tanning and Processing [Category: Industry]
• Phenazinium, 3,7-diamino-2,8-dimethyl-5-phenyl-, chloride (1:1): ACTIVE
• COSMETIC PREPARATIONS--LIPSTICKS MAY CONTAIN SAFRANIN /FROM TABLE/
• Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.
• ...CATIONIC DYES PENETRATE INTO CELLS & STAIN CELL NUCLEI MORE READILY THAN DO ANIONIC DYES.

Synonyms

477-73-6; BASIC RED 2; Safranin; Safranine O; Safranine T; Safranin T; Gossypimine; C.I. Basic Red 2; Safranine Zh; Safranine A; Safranine TH; Safranine; Safranine B; Safranine G; Safranine J; Safranine Y

Frequently Asked Questions

What are the CAS number and molecular formula of Basic Dyes?

CAS 477-73-6; molecular formula C20H19N4.Cl; molecular weight — g/mol.

What other names is Basic Dyes known by?

477-73-6, BASIC RED 2, Safranin, Safranine O, Safranine T, Safranin T.

What is the regulatory status of Basic Dyes?

Documented regulatory listings: CIR / INCI: Hair dyeing.

Is Basic Dyes classified as hazardous?

2.8% of GHS notifications report no hazard classification (2 of 71).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.