Methyl red ACS reagent, crystalline

Name: Methyl red ACS reagent, crystalline
Brand: Vaqora Chemicals
SKU: VQ-000625

About Methyl red ACS reagent, crystalline

Methyl red ACS reagent, crystalline (CAS 493-52-7) is a biological stain offered by Vaqora Chemicals (ACS grade). Its molecular formula is C15H15N3O2 and its molecular weight is 269.3 g/mol. The IUPAC name is 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid. It is also known as 2-(4-Dimethylaminophenylazo)benzoic acid or 4-Dimethylaminoazobenzene-2′-carboxylic acid.

It is supplied as a dark red to maroon to violet or purple powder crystalline. Literature values give a melting point of 179 - 182 °C. Recommended storage is at room temperature in a dry place, with the container kept tightly sealed. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 25 g, 100 g and 500 g packs, Methyl red ACS reagent, crystalline is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methyl red ACS reagent, crystalline
Catalogue No.	VQ-000625
CAS Number	493-52-7
IUPAC name	2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
Molecular formula	C₁₅H₁₅N₃O₂
Molecular weight	269.3 g/mol
Exact mass	269.1164
Grade	ACS
HSN code	29270090
InChIKey	CEQFOVLGLXCDCX-UHFFFAOYSA-N
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O
PubChem CID	10303

Physical properties
Physical form	Crystalline
Appearance	Dark red to maroon to violet or purple powder crystalline
Melting point	179 - 182 °C
LogP (XLogP3)	3.3
H-bond donors / acceptors	1 / 5
TPSA	65.3 Å²
Storage	Room temperature
Synonyms	2-(4-Dimethylaminophenylazo)benzoic acid, 4-Dimethylaminoazobenzene-2′-carboxylic acid, Acid Red 2, 2-((4-(dimethylamino)phenyl)diazenyl)benzoic acid, 2-{[4-(dimethylamino)phenyl]diazenyl}benzoic acid, Methyl red, C.I. Acid Red 2, 2-Carboxy-4'-(dimethylamino)azobenzene, 4-Dimethylamino-2'-carboxylazobenzene, p-(Dimethylamino)azobenzene-o-carboxylic acid, Cerven methylova, Cerven kysela 2

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 493-52-7

Methyl red

CAS: 493-52-7
Formula: C₁₅H₁₅N₃O₂
MW: 269.3 g/mol

VQ-000624

Microscopy

Methyl red solution

CAS: 493-52-7
Formula: C₁₅H₁₅N₃O₂
MW: 269.3 g/mol

VQ-003596

EP/Ph. Eur. / ACS

Methyl red, EP/Ph. Eur., ACS

CAS: 493-52-7
Formula: C₁₅H₁₅N₃O₂
MW: 269.3 g/mol

VQ-047203

Frequently asked questions

What is the CAS number of Methyl red ACS reagent, crystalline?

The CAS Registry Number of Methyl red ACS reagent, crystalline is 493-52-7. It is also known as 2-(4-Dimethylaminophenylazo)benzoic acid, 4-Dimethylaminoazobenzene-2′-carboxylic acid, Acid Red 2.

What is the molecular formula and molecular weight of Methyl red ACS reagent, crystalline?

Methyl red ACS reagent, crystalline has the molecular formula C15H15N3O2 and a molecular weight of 269.3 g/mol. Its IUPAC name is 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid.

Which grade and pack sizes of Methyl red ACS reagent, crystalline can I order?

We supply Methyl red ACS reagent, crystalline in ACS grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl red ACS reagent, crystalline?

Yes. Every lot of Methyl red ACS reagent, crystalline 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 Methyl red ACS reagent, crystalline be shipped internationally?

Yes. We export Methyl red ACS reagent, crystalline worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

How should Methyl red ACS reagent, crystalline be stored?

Room temperature. Keep the container tightly closed and refer to the SDS for full handling guidance.