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

PONCEAU  4R

Synonyms:				Acid Red 18; C.I. 16255; New Coccine

C.A.S.:				2611-82-7

Chemical Formula:			C20H11N2Na3O10S3

Formula Weight:			604.48

Description::				Red to dark red to brown powder

Dye content:				75% minimum

Water-insoluble matter:		0.2%

Heavy metals (as Pb):		40.0 mg/kg maximum

Arsenic (As):				3.0 mg/kg maximum

Solubility (1mg/ml H2O):		Clear, red to dark red solution

Subsidiary dyes:			1.0% maximum

Effective: 02/19/10