Methyl orange, indicator

Name: Methyl orange, indicator
Brand: Vaqora Chemicals
SKU: VQ-000386

About Methyl orange, indicator

Listed under CAS 547-58-0, Methyl orange, indicator is an indicator available from Vaqora Chemicals. Its molecular formula is C14H14N3NaO3S and its molecular weight is 327.34 g/mol. Its systematic (IUPAC) name is sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate. It is also known as Acid Orange 52 or Helianthin.

In its supplied form it is a yellow to orange powder. Key physical data: a melting point of above 300 °C and a density of 1.28 g/cm3. Solubility: insoluble in diethyl ether. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span titration end-point detection, pH determination, analytical testing and biological staining. Our customers for this product work in academic and industrial research.

We offer Methyl orange, indicator in 25 g, 100 g, 500 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl orange, indicator
Catalogue No.	VQ-000386
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
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	Yellow to orange powder
Melting point	>300 °C
Density	1.28 g/cm3
Solubility	Insoluble in diethyl ether
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

ACS

Methyl orange, ACS reagent, dye content 85%

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

VQ-000622

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, indicator?

The CAS Registry Number of Methyl orange, indicator 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, indicator?

Methyl orange, indicator 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, indicator can I order?

We supply Methyl orange, indicator, in 25 g, 100 g, 500 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl orange, indicator?

Yes. Every lot of Methyl orange, indicator 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, indicator be shipped internationally?

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