Xylenol orange, GR

Name: Xylenol orange, GR
Brand: Vaqora Chemicals
SKU: VQ-000737

About Xylenol orange, GR

Xylenol orange (CAS 3618-43-7) is a biological stain offered by Vaqora Chemicals (AR grade). The compound has the formula C31H28N2Na4O13S, corresponding to a molecular weight of 760.58 g/mol.

In its supplied form it is very dark brown to very dark red powder or crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 1 g, 5 g, 10 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Xylenol orange, GR
Catalogue No.	VQ-000737
CAS Number	3618-43-7
Molecular formula	C₃₁H₂₈N₂Na₄O₁₃S
Molecular weight	760.58 g/mol
Grade	AR
HSN code	29349990

Physical properties
Physical form	Crystalline
Appearance	Very dark brown to very dark red powder or crystals

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 3618-43-7

Xylenol orange solution

CAS: 3618-43-7
Formula: C₃₁H₂₈N₂Na₄O₁₃S
MW: 760.58 g/mol

VQ-003666

ACS

Xylenol orange tetrasodium salt, ACS reagent

CAS: 3618-43-7
Formula: C₃₁H₂₈N₂Na₄O₁₃S
MW: 760.58 g/mol

VQ-000736

EP/Ph. Eur. / ACS / AR

Xylenol orange tetrasodium salt, EP/Ph. Eur., ACS, AR

CAS: 3618-43-7

VQ-047296

Practical

Xylenol orange tetrasodium salt, practical grade

CAS: 3618-43-7
Formula: C₃₁H₂₈N₂Na₄O₁₃S
MW: 760.6 g/mol

VQ-045646

Frequently asked questions

What is the CAS number of Xylenol orange, GR?

The CAS Registry Number of Xylenol orange, GR is 3618-43-7. It is also known as 3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt.

What is the molecular formula and molecular weight of Xylenol orange, GR?

Xylenol orange, GR has the molecular formula C31H28N2Na4O13S and a molecular weight of 760.58 g/mol.

Which grade and pack sizes of Xylenol orange, GR can I order?

We supply Xylenol orange, GR in AR grade, in 1 g, 5 g, 10 g, 25 g, 100 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Xylenol orange, GR?

Yes. Every lot of Xylenol orange, 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 Xylenol orange, GR be shipped internationally?

Yes. We export Xylenol orange, GR worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.