Methyl orange, indicator
Methyl orange, indicator (CAS 547-58-0) supplier Zemixal: C14H14N3NaO3S, COA and SDS with every lot, worldwide shipping.
About Methyl orange, indicator
Methyl orange, indicator is part of the Zemixal indicators, Chelating Agents & Test Papers range. Key data: CAS 547-58-0, formula C14H14N3NaO3S and molar mass 327.34 g/mol. Expect yellow to orange powder.
Use cases we see most often
- Titration end-point detection
- pH determination
- Analytical testing
- Biological staining
Storage and safety notes
Literature values: melting point >300 °C and density 1.28 g/cm3. Solubility: insoluble in diethyl ether. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Available as 25 g, 100 g, 500 g, 1 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
- Biological staining
Applications
Specifications and identifiers
| Product name | Methyl orange, indicator |
|---|---|
| Catalogue number | ZX-000386 |
| CAS number | 547-58-0 |
| IUPAC name | sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate |
| Molecular formula | C14H14N3NaO3S |
| Molar mass | 327.34 g/mol |
| Exact mass | 327.0654 |
| 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 |
| Topological polar surface area | 93.5 Ų |
| HS 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 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Methyl orange, indicator
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