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

NEUTRAL RED CERTIFIED

Synonyms:				Basic Red 5; C.I. 50040; 3-Amino-7-dimethylamino-2-
					methyl phenazine hydrochloride

CAS No:				553-24-2

Chemical Formula:			C15H17CIN4

Formula Weight:			288.78

Appearance:				Very Dark-Green Powder

Melting Point:			~290 deg. C

Dye content:				> 50%

Solubility 0.1%  (50%                     Clear Red solution
Ethanol + 2 ml Acetic Acid)

Visual Transition Interval		From pH 6.8 (red) 
To      pH 8.0 (yellow)

Effective: 10/24/19