Safranine

Name: Safranine
Brand: Vaqora Chemicals
SKU: VQ-000707

About Safranine

Safranine (CAS 477-73-6) is a biological stain offered by Vaqora Chemicals in Microscopy grade. With the molecular formula C20H19ClN4, it has a molar mass of 350.8 g/mol. Systematically, it is named 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride. Alternative names: Basic Red 2 and Safranin O.

The material typically appears as a dark red to very dark red powder. Its solubility is described as soluble in H2O. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 25 g, 100 g, 1 kg and 5 x 1 kg packs, Safranine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Safranine
Catalogue No.	VQ-000707
CAS Number	477-73-6
IUPAC name	3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride
Molecular formula	C₂₀H₁₉ClN₄
Molecular weight	350.8 g/mol
Exact mass	350.1298
Grade	Microscopy
HSN code	32041339
InChIKey	OARRHUQTFTUEOS-UHFFFAOYSA-N
SMILES	CC1=CC2=C(C=C1N)[N+](=C3C=C(C(=CC3=N2)C)N)C4=CC=CC=C4.[Cl-]
PubChem CID	2723800

Physical properties
Physical form	Powder
Appearance	Dark red to very dark red powder
Solubility	Soluble in H2O
H-bond donors / acceptors	2 / 4
TPSA	68.8 Å²
Synonyms	Basic Red 2, Safranin O, Safranin, Safranine O, Safranine T, Safranin T, Gossypimine, C.I. Basic Red 2, Safranine Zh, Safranine A, Safranine TH, Safranine B

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P305 + P354 + P338, P317, P321, P332 + P317, P337 + P317, P362 + P364

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 477-73-6

Microscopy

Safranine solution

CAS: 477-73-6
Formula: C₂₀H₁₉ClN₄
MW: 350.8 g/mol

VQ-003636

Safranine, aqueos solution 0.1%

CAS: 477-73-6
Formula: C₂₀H₁₉ClN₄
MW: 350.8 g/mol

VQ-003637

AR / Microscopy

Safranine, AR, for microscopy

CAS: 477-73-6
Formula: C₂₀H₁₉ClN₄
MW: 350.8 g/mol

VQ-046951

Frequently asked questions

What is the CAS number of Safranine?

The CAS Registry Number of Safranine is 477-73-6. It is also known as Basic Red 2, Safranin O, Safranin.

What is the molecular formula and molecular weight of Safranine?

Safranine has the molecular formula C20H19ClN4 and a molecular weight of 350.8 g/mol. Its IUPAC name is 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride.

Which grade and pack sizes of Safranine can I order?

We supply Safranine in Microscopy grade, in 25 g, 100 g, 1 kg, 5 x 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 Safranine?

Yes. Every lot of Safranine 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 Safranine be shipped internationally?

Yes. Safranine is classified as hazardous, 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.