S P E C I F I C A T I O N S

METANIL YELLOW

Synonyms:				C.I. 13065; Acid Yellow 36 

CAS No:				587-98-4

Chemical Formula:			C18H14N3NaO3S

Formula Weight:			375.38

Appearance:				Gold to orange or reddish yellow powder

Lambda max:			414 +/- 2 nm in methanol

Dye content:				~ 70%  

Solubility:				Clear, deep yellow-orange solution
0.01 g in 10 ml MEOH

Visual Transition Interval	:	From pH 1.2 (dark red or pink) 
To     pH 2.7 (yellow)

Effective: 10/25/11