Yellow No.202-(2)
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Legal color:	Yellow No.202-2
General name:	Uranine K
Class:
FDA :
CI #:	C.I. 45350
Color #:	Acid Yellow 73
CAS #:	518-47-8(?)
CAS :	FSpiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-,disodium salt
IUPAC:	¨1;3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one dipotassium salt ¨2;3',6'-Dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one dipotassium salt ¨3;9-(o-Carboxyphenyl)-3,6-dihydroxyxanthylium dipotassium salt
Chemical structure :