Document Detail

Spectroscopic characterization of SC-NTR: a subsidiary dye of allura red AC dye (FD&C red no. 40).
MedLine Citation:
PMID:  8181638     Owner:  NLM     Status:  MEDLINE    
A major subsidiary dye in US certified Allura Red AC dye (FD&C Red No. 40) has been isolated by preparative high performance liquid chromatography. The paper chromatographic properties of the isolated dye indicate that it is the dye designated as SC-NTR in a previous paper (Marmion 1971). Spectroscopic analysis of the isolated dye is consistent with the disodium salt of 6-hydroxy-5-(2-methoxy-5-methyl-3-sulphophenylazo)-2-naphthalen esulphonic acid, which is an azo-coupling product between the meta-isomer of cresidine-p-sulphonic acid (CSA) and Schaeffer's salt (SS).
Y Takeda; Y Goda; H Noguchi; T Yamada; K Yoshihira; M Takeda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Food additives and contaminants     Volume:  11     ISSN:  0265-203X     ISO Abbreviation:  Food Addit Contam     Publication Date:    1994 Jan-Feb
Date Detail:
Created Date:  1994-06-15     Completed Date:  1994-06-15     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  8500474     Medline TA:  Food Addit Contam     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  97-104     Citation Subset:  IM    
Division of Food Additives, National Institute of Hygienic Sciences, Tokyo, Japan.
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MeSH Terms
Azo Compounds / analysis*,  chemistry
Chromatography, High Pressure Liquid
Chromatography, Paper
Food Additives / analysis*
Magnetic Resonance Spectroscopy
Molecular Structure
Spectrometry, Mass, Fast Atom Bombardment
Reg. No./Substance:
0/Azo Compounds; 0/Food Additives; 155833-00-4/SC-NTR; 25956-17-6/Allura Red AC Dye

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