SPECIFICATIONS

LISSAMINE GREEN B

Synonyms:			C.I. 44090; Acid Green 50; Wool Green S

CAS No:				3087-16-9
Chemicla Formula:			C27H25N2NaO7S2
Formula Weight:			576.62

Appearance:				Black to Dark Red Powder

Assay:					80% minimum

Infrared Spectrum:			Conforms to Structure and Standard

Water-insoluble matter:		0.20% (percent by mass)

Sum of volatile matter at 135˚C	20% (percent by mass)
(Sodium Chloride & Sulfate)

Combined ether extract:		0.20% (percent by mass)

Leuco Base:				5% (percent by mass)

Arsenic (mg/kg.):			Maximum 3.00
Lead (mg/kg.):			Maximum 2.00
Mercury (mg/kg.):			Maximum 1.00
Cadmium (mg/kg.):			Maximum 1.00

Solubility:				0.1% in H2O; Clear to Very Hazy, Dark
					Blue to Dark Green Solution

Effective: 02/14/13