Methyl Orange

Specifications

Product Name Methyl Orange
CAS NO. 547-58-0
C.I. NO. 13025
Molecular Formula C14H14N3SO3Na
Molecular Weight 327.34 gm/mole
Appearance Orange Powder

Tests

Limits

Solubility 0.05% (Dist. Water) Soluble in 500 parts water;
More soluble in hot water
Absorptivity 1%/1cm,
(pH 3.1) at max. 505.0 nm
(pH 4.4) at max. 467.0 nm
1050-1150
Loss on drying at 110°C (1hr) < 3%