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19-3890

Sigma-Aldrich

Methyl Orange

JIS special grade

Sinonimo/i:

4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III

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About This Item

Formula empirica (notazione di Hill):
C14H14N3NaO3S
Numero CAS:
547-58-0
Peso molecolare:
327.33
Colour Index:
13025
Beilstein:
4732884
Numero CE:
208-925-3
Numero MDL:
MFCD00007502
Codice UNSPSC:
12352107
ID PubChem:
329751861

Grado

JIS special grade

Forma fisica

solid

Disponibilità

available only in Japan

pH

3.0-4.4, pink to yellow

Stringa SMILE

[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+;
STZCRXQWRGQSJD-GEEYTBSJSA-M

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Pittogrammi

Skull and crossbones
GHS06

Avvertenze

Danger

Indicazioni di pericolo

H301

Consigli di prudenza

P301 + P330 + P331 + P310

Classi di pericolo

Acute Tox. 3 Oral

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Certificati d'analisi (COA)

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Journal of hazardous materials, 244-245, 773-779 (2012-12-04)
Wastewaters resulting from the textile and dye finishing industries need complex treatment for efficient removal of colour and other compounds existent in the dyeing and rising baths (heavy metals, surfactants, equalizers, etc.). Modified fly ash (FA) mixed with TiO(2) photocatalyst
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Journal of hazardous materials, 243, 152-160 (2012-11-06)
A novel magnetic Fe(3)O(4)/ZnCr-layered double hydroxide adsorbent was produced from electroplating wastewater and pickling waste liquor via a two-step microwave hydrothermal method. Adsorption of methyl orange (MO) from water was studied using this material. The effects of three variables have
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The phase selective synthesis of nanocrystalline TiO2, titania, in ionic liquids (ILs) is explored. The influence not only of the IL but also of the Ti-precursor, pH, and temperature is investigated. Sonochemical synthesis, microwave synthesis and conventional heating are compared.
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