Giemsa stain certified by the Biological Stai… 51811-82-6

Name: Giemsa stain certified by the Biological Stain Commission
Brand: Vaqora Chemicals
SKU: VQ-000598

About Giemsa stain certified by the Biological Stain Commission

Giemsa stain certified by the Biological Stain Commission is a biological stain carrying the CAS registry number 51811-82-6. Formula C14H14ClN3S, molecular weight 291.8 g/mol. The IUPAC name is (7-aminophenothiazin-3-ylidene)-dimethylazanium chloride. Alternative names: Azure mixture sicc. Giemsa stain and Giemsa stain.

It is supplied as dark green to very dark green and black and Green-Black powder or crystals. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Giemsa stain certified by the Biological Stain Commission in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Giemsa stain certified by the Biological Stain Commission
Catalogue No.	VQ-000598
CAS Number	51811-82-6
IUPAC name	(7-aminophenothiazin-3-ylidene)-dimethylazanium chloride
Molecular formula	C₁₄H₁₄ClN₃S
Molecular weight	291.8 g/mol
Exact mass	291.0597
HSN code	32049000
InChIKey	NALREUIWICQLPS-UHFFFAOYSA-N
SMILES	C[N+](=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1)C.[Cl-]
PubChem CID	13735

Physical properties
Physical form	Crystalline
Appearance	Dark green to very dark green and black and Green-Black powder or crystals
Solubility	Ethanol: 1 mg/mL, blue to very deep blue
H-bond donors / acceptors	1 / 4
TPSA	66.7 Å²
Synonyms	Azure mixture sicc. Giemsa stain, Giemsa stain, Giemsa's stain, Stain, Giemsa, Dimethylthionine, Azure A chloride, 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride, Azur A, N,N-Dimethylthionine, Phenothiazin-5-ium, 3-amino-7-(dimethylamino)-, chloride, 3-Amino-7-dimethylaminophenothiazin-5-ium chloride, asym-Dimethyl-3,7-diaminophenazathionium chloride

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 51811-82-6

Microscopy

Giemsa stain

CAS: 51811-82-6
Formula: C₁₄H₁₄ClN₃S
MW: 291.8 g/mol

VQ-000597

Giemsa stain, used as a blood stain

CAS: 51811-82-6
Formula: C₁₄H₁₄ClN₃S
MW: 291.8 g/mol

VQ-000599

Giemsa's staining solution

CAS: 51811-82-6
Formula: C₁₄H₁₄ClN₃S
MW: 291.8 g/mol

VQ-003564

Frequently asked questions

What is the CAS number of Giemsa stain certified by the Biological Stain Commission?

The CAS Registry Number of Giemsa stain certified by the Biological Stain Commission is 51811-82-6. It is also known as Azure mixture sicc. Giemsa stain, Giemsa stain, Giemsa's stain.

What is the molecular formula and molecular weight of Giemsa stain certified by the Biological Stain Commission?

Giemsa stain certified by the Biological Stain Commission has the molecular formula C14H14ClN3S and a molecular weight of 291.8 g/mol. Its IUPAC name is (7-aminophenothiazin-3-ylidene)-dimethylazanium chloride.

Which grade and pack sizes of Giemsa stain certified by the Biological Stain Commission can I order?

We supply Giemsa stain certified by the Biological Stain Commission, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Giemsa stain certified by the Biological Stain Commission?

Yes. Every lot of Giemsa stain certified by the Biological Stain Commission 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 Giemsa stain certified by the Biological Stain Commission be shipped internationally?

Yes. Giemsa stain certified by the Biological Stain Commission 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.