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19-3890

Methyl Orange

JIS special grade

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C14H14N3NaO3S
CAS Number:
547-58-0
Molecular Weight:
327.33
EC Number:
208-925-3
PubChem Substance ID:
329751861
UNSPSC Code:
12352107
Beilstein/REAXYS Number:
4732884
MDL number:
MFCD00007502
Colour Index Number:
13025
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grade

JIS special grade

form

solid

availability

available only in Japan

pH

3.0-4.4, pink to yellow

SMILES string

[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+;

InChI key

STZCRXQWRGQSJD-GEEYTBSJSA-M

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This Item
19-39001.0132240-2013
Methyl Orange JIS special grade

Sigma-Aldrich

19-3890

Methyl Orange

Methyl Orange SAJ first grade

Sigma-Aldrich

19-3900

Methyl Orange

Methyl orange (C.I. 13025) indicator ACS,Reag. Ph Eur

Supelco

1.01322

Methyl orange (C.I. 13025)

Methyl Orange solution pH 3.1-4.4

Sigma-Aldrich

40-2013

Methyl Orange solution

grade

JIS special grade

grade

SAJ first grade

grade

ACS reagent

grade

-

form

solid

form

solid

form

solid

form

liquid

pH

3.0-4.4, pink to yellow

pH

3.0-4.4, pink to yellow

pH

6.5 (20 °C, 5 g/L in H2O)

pH

3.1-4.4

availability

available only in Japan

availability

available only in Japan

availability

-

availability

available only in Japan

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pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
U3633
U6567
U7452
U2344
U2173

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Anjana Sarkar et al.
Nanotechnology, 23(47), 475711-475711 (2012-11-03)
The structure, composition and photocatalytic activity of TiO(2) nanoparticles annealed in various gas atmospheres (N(2), NH(3) and H(2)) were studied in this work. The effect of treatment on crystal structure, particle size, chemical composition and optical absorbance were assessed by
Katarzyna A Michalow et al.
Environmental science and pollution research international, 19(9), 3696-3708 (2012-10-12)
TiO(2):Nb nanopowders within a dopant concentration in the range of 0.1-15 at.% were prepared by one-step flame spray synthesis. Effect of niobium doping on structural, optical and photocatalytic properties of titanium dioxide nanopowders was studied. Morphology and structure were investigated by
Jing Cao et al.
Journal of hazardous materials, 239-240, 316-324 (2012-09-29)
Novel p-n junction photocatalysts BiOI/(BiO)2CO3 with different contents of BiOI were in situ synthesized by etching (BiO)2CO3 precursor with hydroiodic acid (HI) solution. X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectrometry (FT-IR), energy-dispersive spectroscopy (EDS)
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Global Trade Item Number

SKUGTIN
19-3890-2-25G-J04061832685281

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