Advanced Search
Chemicals
Search Lab Chemicals by Category
Advanced Search
New Products
LOBA TLC Sprayer
Mn Filter
R&D / GMP
Process R&D
Process R&D
Process Development
Contract Research
Validation Services
Chiral Chemistry
Flow Chemistry
Custom Synthesis
Contract Manufacturing
Contract Manufacturing
GMP Facility
Specialized Intermediates
List of Manufactured Products
Contact Us
Home
Lab Chemicals
pH Indicator (Solid)
METHYL ORANGE INDICATOR
METHYL ORANGE INDICATOR ACS
C.I.No.13025
Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate
Article No.
04670
Grade
ACS
Purity
CAS No.
547-58-0
Molecular Formula
C
1
4
H
1
4
N
3
NaO
3
S
Molecular Weight
327.33
H.S. Code
2927.0090
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
Yellow to orange
Odour
Odorless
Density [g/cm3]
1
Solubility in water [% weight]
Soluble in 500 parts water
Packings
25 g
(00025)
100 g
(00100)
1000 g
(01000)
Specifications
Appearance
Yellowish-orange colored powder
Identity (IR)
Conforms to structure
Solubility (0.1 % in water)
Clear (passes ACS test)
Visual transition range
from pH 3.2 (pink or red) to pH 4.4 (yellow-orange)
Absorption maxima in 0.01 N NaOH
461 to 469 nm
Safety Information and Hazard Symbols
Symbol: GHS06
Signal Word: Danger
UN No.: 3143
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301
Precaution Statement: P301 + P310
Revision Date :
22-Nov-2016