Arsenazo III

Name: Arsenazo III
Brand: Vaqora Chemicals
SKU: VQ-019744

About Arsenazo III

Listed under CAS 62337-00-2, Arsenazo III is a biological stain available from Vaqora Chemicals in AR grade. Its molecular formula is C22H16As2N4Na2O14S2 and its molecular weight is 820.3 g/mol. Alternative names: Arsenazo-III Disodium Salt and arcenazo iii.

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.

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

Standard pack sizes are 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Arsenazo III
Catalogue No.	VQ-019744
CAS Number	62337-00-2
IUPAC name	disodium;3,6-bis[(2-arsonophenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonate
Molecular formula	C₂₂H₁₆As₂N₄Na₂O₁₄S₂
Molecular weight	820.3 g/mol
Exact mass	819.8332
Grade	AR
HSN code	29319090
InChIKey	KSSZSGSRTIMTBY-UHFFFAOYSA-L
SMILES	C1=CC=C(C(=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=CC=C4[As](=O)(O)O)O)O)[As](=O)(O)O.[Na+].[Na+]
PubChem CID	135472947

Physical properties
Physical form	Other
H-bond donors / acceptors	6 / 18
TPSA	336 Å²

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H331Toxic if inhaled
H373May causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P391, P403 + P233, 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 62337-00-2

Arsenazo-III Disodium Salt

CAS: 62337-00-2
Formula: C₂₂H₁₆As₂N₄Na₂O₁₄S₂
MW: 820.3 g/mol

VQ-039431

Frequently asked questions

What is the CAS number of Arsenazo III?

The CAS Registry Number of Arsenazo III is 62337-00-2. It is also known as Arsenazo-III Disodium Salt, Disodium 3,6-bis((o-arsonophenyl)azo)-4,5-dihydroxynaphthalene-2,7-disulphonate, arcenazo iii.

What is the molecular formula and molecular weight of Arsenazo III?

Arsenazo III has the molecular formula C22H16As2N4Na2O14S2 and a molecular weight of 820.3 g/mol.

Which grade and pack sizes of Arsenazo III can I order?

We supply Arsenazo III in AR grade, in 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Arsenazo III?

Yes. Every lot of Arsenazo III 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 Arsenazo III be shipped internationally?

Yes. Arsenazo III 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.