Gentian violet, GR

Name: Gentian violet, GR
Brand: Vaqora Chemicals
SKU: VQ-000596

About Gentian violet, GR

Gentian violet is a biological stain (AR grade) carrying the CAS registry number 548-62-9 at a purity of ≥95%. Formula C25H30ClN3, molecular weight 408.0 g/mol. The IUPAC name is [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride. Alternative names: Basic Violet 3 and Hexamethylpararosaniline chloride.

It is supplied as a dark green powder. Key physical data: a melting point of 205 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Key uses span histology and cytology staining, microscopy, clinical laboratories and agrochemical formulations. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and agrochemical production.

Standard pack sizes are 25 g, 100 g, 1 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Agrochemical formulations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Gentian violet, GR
Catalogue No.	VQ-000596
CAS Number	548-62-9
IUPAC name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride
Molecular formula	C₂₅H₃₀ClN₃
Molecular weight	408 g/mol
Exact mass	407.2128
Grade	AR
Purity / assay	≥95%
HSN code	32041349
InChIKey	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
PubChem CID	11057

Physical properties
Physical form	Powder
Appearance	Dark green powder
Melting point	205 °C
H-bond donors / acceptors	0 / 3
TPSA	9.5 Å²
UN number	UN 3077
Synonyms	Basic Violet 3, Hexamethylpararosaniline chloride, Methyl Violet 10B, Crystal violet, methylrosanilinium chloride, Aniline Violet, Hexamethyl Violet, Methylrosaniline chloride, Pyoktanin, Avermin, Vianin, Bismuth Violet

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P354 + P338, P317, P318, P330, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

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

Other grades of CAS 548-62-9

Microscopy

Crystal violet

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-000546

ACS / Spectroscopy

Crystal violet, ACS, for spectroscopy ≥90.00%

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-046784

AR

Crystal violet, GR

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-000548

Synthesis

Crystal violet, solution

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-003537

Microscopy

Gentian violet

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-000595

Gention violet, alcoholic, solution

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-003561

Gention violet, aqeous solution

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-003562

Neisser's stain B

CAS: 548-62-9
Formula: C₂₅H₃₀ClN₃
MW: 408 g/mol

VQ-003606

Frequently asked questions

What is the CAS number of Gentian violet, GR?

The CAS Registry Number of Gentian violet, GR is 548-62-9. It is also known as Basic Violet 3, Hexamethylpararosaniline chloride, Methyl Violet 10B.

What is the molecular formula and molecular weight of Gentian violet, GR?

Gentian violet, GR has the molecular formula C25H30ClN3 and a molecular weight of 408 g/mol. Its IUPAC name is [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride.

Which grade and pack sizes of Gentian violet, GR can I order?

We supply Gentian violet, GR in AR (≥95%) grade, in 25 g, 100 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Gentian violet, GR?

Yes. Every lot of Gentian violet, GR 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 Gentian violet, GR be shipped internationally?

Yes. Gentian violet, GR is classified as hazardous (UN 3077), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.