Impurity - Tartrazine

Erythrosine

Erythrosine

CAS No. : 16423-68-0

CAT No. : KMT039002

Formula : C20H6I4O5 : 2(Na)

FW : 833.9 : 2(23.0)

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Allura Red AC 

Allura Red AC 

CAS No. : 25956-17-6

CAT No. : KMT039001

Formula : C18H16N2O8S2 : 2(Na)

FW : 452.5 : 2(23.0)

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Food Red No. 102

Food Red No. 102

CAS No. : 2611-82-7

CAT No. : KMT039003

Formula : C20H14N2O10S3 : 3(Na)

FW : 538.5 : 3(23.0)

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Patent Blue V 

Patent Blue V 

CAS No. : 3536-49-0

CAT No. : KMT039004

Formula : C27H32N2O7S2 : 1/2(Ca)

FW : 560.7 : 1/2(40.1)

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Tartrazine Trisodium

Tartrazine Trisodium

CAS No. : 1934-21-0

CAT No. : KMT039005

Formula : C16H12N4O9S2 : 3(Na)

FW : 468.4 : 3(23.0)

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