Eriochrome cyanine R

Name: Eriochrome cyanine R
Brand: Vaqora Chemicals
SKU: VQ-000355

About Eriochrome cyanine R

Listed under CAS 3564-18-9, Eriochrome cyanine R is an indicator available from Vaqora Chemicals (AR grade). The compound has the formula C23H15Na3O9S, corresponding to a molecular weight of 536.4 g/mol. It is also known as Chromoxane Cyanine R or Eriochrome Cyanine RC.

It is supplied as a reddish brown powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include titration end-point detection, pH determination, analytical testing and dyes and pigments manufacture. It is used across academic and industrial research and textiles and dyeing.

Available in 10 g, 25 g, 100 g and 500 g packs, Eriochrome cyanine R is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Dyes & pigments manufacture

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Eriochrome cyanine R
Catalogue No.	VQ-000355
CAS Number	3564-18-9
IUPAC name	trisodium;5-[(E)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate
Molecular formula	C₂₃H₁₅Na₃O₉S
Molecular weight	536.4 g/mol
Exact mass	536.013
Grade	AR
HSN code	32049000
InChIKey	FFUMCSDSJNSMQH-HEXQVDJKSA-K
SMILES	CC1=CC(=CC(=C1[O-])C(=O)[O-])/C(=C\2/C=C(C(=O)C(=C2)C(=O)O)C)/C3=CC=CC=C3S(=O)(=O)[O-].[Na+].[Na+].[Na+]
PubChem CID	54686803

Physical properties
Physical form	Powder
Appearance	Reddish brown powder
H-bond donors / acceptors	1 / 9
TPSA	183 Å²
Synonyms	Chromoxane Cyanine R, Eriochrome Cyanine RC, Mordant Blue 3, Fenakrom Blue XR, Chrome Cyanine R, Eriochrome Cyanine, Diamond Cyanine R, Chrome Blue 3R, Diacromo Cyanine R, Eriochrome Cyanin R, Solochrome cyanine R, Cromal Blue Black B

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 3564-18-9

Eriochrome cyanine R

CAS: 3564-18-9
Formula: C₂₃H₁₅Na₃O₉S
MW: 536.4 g/mol

VQ-046798

Frequently asked questions

What is the CAS number of Eriochrome cyanine R?

The CAS Registry Number of Eriochrome cyanine R is 3564-18-9. It is also known as Chromoxane Cyanine R, Eriochrome Cyanine RC, Mordant Blue 3.

What is the molecular formula and molecular weight of Eriochrome cyanine R?

Eriochrome cyanine R has the molecular formula C23H15Na3O9S and a molecular weight of 536.4 g/mol.

Which grade and pack sizes of Eriochrome cyanine R can I order?

We supply Eriochrome cyanine R in AR grade, in 10 g, 25 g, 100 g, 500 g, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Eriochrome cyanine R?

Yes. Every lot of Eriochrome cyanine R 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 Eriochrome cyanine R be shipped internationally?

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