Methyl orange, ACS reagent, dye content 85%

Name: Methyl orange, ACS reagent, dye content 85%
Brand: Vaqora Chemicals
SKU: VQ-000622

About Methyl orange, ACS reagent, dye content 85%

Methyl orange is a biological stain in ACS grade carrying the CAS registry number 547-58-0 with a typical assay of 85%. Its molecular formula is C14H14N3NaO3S and its molecular weight is 327.34 g/mol. The IUPAC name is sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate. Common synonyms include Acid Orange 52 and Helianthin.

It is supplied as an orange 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 histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Methyl orange in 25 g, 100 g, 500 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

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methyl orange, ACS reagent, dye content 85%
Catalogue No.	VQ-000622
CAS Number	547-58-0
IUPAC name	sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
Molecular formula	C₁₄H₁₄N₃NaO₃S
Molecular weight	327.34 g/mol
Exact mass	327.0654
Grade	ACS
Purity / assay	85%
HSN code	29270090
InChIKey	STZCRXQWRGQSJD-UHFFFAOYSA-M
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
PubChem CID	23673835

Physical properties
Physical form	Powder
Appearance	Orange powder
H-bond donors / acceptors	0 / 6
TPSA	93.5 Å²
Synonyms	4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III, C.I. Acid Orange 52, Gold Orange, Helianthine B, Eniamethyl Orange, Helianthine, Tropaeolin D, Methyl Orange B, Kca Methyl Orange

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 547-58-0

Methyl orange, indicator

CAS: 547-58-0
Formula: C₁₄H₁₄N₃NaO₃S
MW: 327.34 g/mol

VQ-000386

Methyl orange, solution

CAS: 547-58-0
Formula: C₁₄H₁₄N₃NaO₃S
MW: 327.34 g/mol

VQ-003593

Frequently asked questions

What is the CAS number of Methyl orange, ACS reagent, dye content 85%?

The CAS Registry Number of Methyl orange, ACS reagent, dye content 85% is 547-58-0. It is also known as 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin.

What is the molecular formula and molecular weight of Methyl orange, ACS reagent, dye content 85%?

Methyl orange, ACS reagent, dye content 85% has the molecular formula C14H14N3NaO3S and a molecular weight of 327.34 g/mol. Its IUPAC name is sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate.

Which grade and pack sizes of Methyl orange, ACS reagent, dye content 85% can I order?

We supply Methyl orange, ACS reagent, dye content 85% in ACS (85%) grade, in 25 g, 100 g, 500 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl orange, ACS reagent, dye content 85%?

Yes. Every lot of Methyl orange, ACS reagent, dye content 85% 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 orange, ACS reagent, dye content 85% be shipped internationally?

Yes. We export Methyl orange, ACS reagent, dye content 85% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.