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

EOSIN B SPIRIT SOLUBLE

Synonyms:					Safrosin

CAS No:					56360-46-4

Chemical Formula:				C20H8N2O9Br2

Formula Weight:				580.11

Appearance:					Yellow to Orange Powder

Identification (IR):				Conforms to standard

Absorptivity: 1% 1cm			>1020 
(in H2O + 1ml, 2% Na2CO3
at λ max. 515-524nm) 

Solubility:					Clear Red solution
1mg/ml, MEOH (HEAT)

Visual Transition Interval			pH 1.4 (colorless) to 
						pH 2.4 (fluorescent pink)

Effective: 05/20/15