Azo dyes
Premier Foods website
"Molecule of the Week!" article on Eriochrome Black T from the ACS
Molecule of the Week - Eriochrome Black T
Synthesis of methyl red library books chemistry
Organic Synthesis - Methyl Red
Nile Chemicals -- Methyl Red A site showing some extra information on methyl red.
Methyl Red
'Banned dye found in more products' - BBC News news health
BBC NEWS | Health | Banned dye found in more products
Old El Paso Dinner Kits for enchiladas and burritos found with illegal dye food news apr
Food Standards Agency - Old El Paso Dinner Kits for enchiladas and burritos found with illegal dye
Page on different titration indicators, including phenolphthalein physical indicators
acid-base indicators
''Carcinogenic Potency Database Project'' entry for SX purple, alias Ponceau 4R potency berkeley
Sx purple: Carcinogenic Potency Database
Stains File entry
Stainsfile - Sudan black B
Sudan I in scientific literature: Sudan I human carcinogenicity data entrez query
Entrez PubMed
Sudan 1 at Food.gov.uk food
Products known to be affected with Sudan dyes food
New Scientist article
New Scientist Article Error
Food Standards Agency - Sudan dyes
Food Standards Agency - Eat well, be well - Sudan dyes
Stains File entry
Stainsfile - Sudan III
Stains File entry
Stainsfile - Sudan IV
Food recalled in cancer dye scare by BBC News, 18 February 2005
BBC NEWS | Health | Food recalled in cancer dye scare
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It uses material from the Wikipedia articles :
Ambrosia Custard , Eriochrome Black T , Methyl red , Para Red , Phenolphthalein , Ponceau 4R , Sudan Black B , Sudan I , Sudan III , Sudan IV , Worcestershire sauce , .
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the Froola link list about "Azo dyes".