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68250

Sigma-Aldrich

Methyl Orange

for microscopy (Hist.), indicator (pH 3.0-4.4)

Sinônimo(s):

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

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About This Item

Fórmula empírica (Notação de Hill):
C14H14N3NaO3S
Número CAS:
Peso molecular:
327.33
Número do índice de cores:
13025
Beilstein:
4732884
Número CE:
Número MDL:
Código UNSPSC:
12171500
ID de substância PubChem:
NACRES:
MA.02

grau

for microscopy (Hist.)
indicator (pH 3.0-4.4)

Nível de qualidade

forma

powder

técnica(s)

titration: suitable

pH

3.0-4.4, pink to yellow

solubilidade

methanol: water (1:1): 0.1 g/10 mL, orange to very deep orange

λmax

501.4 nm in H2O (acidified)

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

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Descrição geral

Methyl orange is an orange colored synthetic dye, which undergoes a change in color depending on the pH of the solution. It basically develops a red color in acidic solution and yellow color in basic solution.

Pictogramas

Skull and crossbones

Palavra indicadora

Danger

Frases de perigo

Declarações de precaução

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


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