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68250

Methyl Orange

suitable for microscopy

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
UNSPSC Code:
12171500
NACRES:
MA.02
PubChem Substance ID:
329760496
MDL number:
MFCD00007502
Beilstein/REAXYS Number:
4732884
Colour Index Number:
13025
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form

powder

Quality Level

200

technique(s)

titration: suitable

pH

3.0-4.4, pink to yellow

solubility

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

λmax

501.4 nm in H2O (acidified)

suitability

suitable for microscopy

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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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General description

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.

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

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
BCCN3096
BCCL5315
BCCK1373
BCCH2657
BCCC8847

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Longman Science Chemistry 10 (2008)
Science for Tenth Class Part 2 Chemistry null
Ya Yang et al.
Nano letters, 13(2), 803-808 (2013-01-18)
In general, methyl orange (MO) can be degraded by an electrocatalytic oxidation process driven by a power source due to the generation of superoxidative hydroxyl radical on the anode. Here, we report a hybrid energy cell that is used for
Bin Cai et al.
Nanoscale, 5(5), 1910-1916 (2013-01-29)
Zero bandgap and water soluble sulfonated graphene (SGE) has been introduced into an n-type semiconductor photocatalytic system to fabricate a Ag@AgBr/SGE composite photocatalyst. Due to its unique conduction and valence band dispersion and low Fermi level, SGE serves as an
Chia-Nan Lin et al.
Environmental science and pollution research international, 19(9), 3743-3750 (2012-10-12)
Solar wastewater treatment based on photocatalytic reactions is a green process that utilizes renewable energy resources and minimizes secondary pollution. Reactor design plays an important role in promoting treatment efficiency and throughput density (based on unit volume of the reactor).
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Global Trade Item Number

SKUGTIN
68250-500G04061832755038
68250-100G04061832755014
68250-25G04061832755021

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