114510

Methyl Orange

ACS reagent, Dye content 85 %

• Sinônimo(s): 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III
• Fórmula empírica (Notação de Hill): C₁₄H₁₄N₃NaO₃S
• Número CAS: 547-58-0
• Peso molecular: 327.33
• Número do índice de cores: 13025
• Beilstein: 4732884
• Número CE: 208-925-3
• Número MDL: MFCD00007502
• Código UNSPSC: 12171500
• ID de substância PubChem: 24847177
• NACRES: NA.47

Propriedades

• grau: ACS reagent
• forma: powder
• composição: Dye content, 85%
• técnica(s): titration: suitable
• cor: orange
• pH: 3.0-4.4, pink to yellow
• visual transition interval: 3.2-4.4, red to yellow
• pf: >300 °C
• λmax: 505 nm
• aplicação(ões): diagnostic assay manufacturing; hematology; histology
• temperatura de armazenamento: room temp
• cadeia de caracteres SMILES: [Na+].CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S([O-])(=O)=O
• InChI: 1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;
• chave InChI: STZCRXQWRGQSJD-GEEYTBSJSA-M

Descrição

Descrição geral

Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid.It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution.

Aplicação

Methyl orange is used as a-

• pH indicator in the cell sap
• counterstain to crystal violet in staining pollen tubes
• component of a polychrome histological stain
• solution indicator, such as in assays of oxalic and malonic acids
• in other biomedical applications that include use in film dosimeters and as a reagent for the assay of bromide ions.

Ações bioquímicas/fisiológicas

Methyl Orange is an azo dye which works as a pH indicator.

Informações de segurança

• Pictogramas: GHS06
• Palavra indicadora: Danger
• Frases de perigo: H301
• Declarações de precaução: P301 + P330 + P331 + P310
• Classificações de perigo: Acute Tox. 3 Oral
• Código de classe de armazenamento: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges