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CAS No.
547-58-0
EC No.
208-925-3
C.I. No.
13025
Molecular Formula
C14 H14 N3 NaO3 S
Molecular Weight
327.33
HS Code
2927 00 90
Storage
Below 30°C
Shelf life
4 years
Technical Specification
Appearance
Orange-yellow to orange crystals or powder or solid
Solubility
10 ppm in 1N hydrochloric acid yields clear solution
DNases
None detected
RNases
None detected
Clarity of solution
Passes test
Visual pH Transition
pH 3.0 (pink or red ) - pH 4.4 (yellow orange)
Loss on drying (at 110°C, 1 hr)
<= 5.0%
Absorption maxima
502 - 512 nm (10 ppm in 1N HCl)
Safety Information
Hazard Pictogram(s)
Signal Word
Danger
Hazard Statement(s)
H301
Precautionary Statement(s)
P264- P270- P301+310- P405- P501
UN No.
3143
Class
6.1
Packing Group
III
WGK
1
CAS Number :
547-58-0
Molecular Formula :
C₁₄H₁₄N₃NaO₃S
More Information
Product Name
Methyl orange
SKU
MB341
CAS No
547-58-0
EC No.
208-925-3
Molecular formula
C₁₄H₁₄N₃NaO₃S