(S)-5,8-dihydroxy-2-( 1 -hydroxy-4-methyl-3-pentenyl)-l ,4 naphthalenedione.
chemical nomenclature & trade name:-
Alkanet extract; Alkanna red; Alkannin; Anchusa acid; Anchusin; C.I. 75530; C.I. Natural Red 20; (S)-5,8-Dihydroxy-2-(l-hydroxy-4- methylpent-3-enyl)-l,4-naph-thoquinone; EINECS 208-245-7; I,& Naphth-alenedione, 5.8-dihydroxy-2-( l-hydroxy-4-methyl-3- penteny1)-, (S)-; NSC 407295.
Chemical symbol:-
C16H16O5.
Molecular weight:-
288.2 g/mol.
Chemical registration numbering:-
CAS: 517-88-4.
General description:-
Solid.
Physical & Chemical Properties:-
mp = 149°C & poorly soluble in H2O more soluble in organic solvents.
chemical nomenclature & trade name:-
Alkanet extract; Alkanna red; Alkannin; Anchusa acid; Anchusin; C.I. 75530; C.I. Natural Red 20; (S)-5,8-Dihydroxy-2-(l-hydroxy-4- methylpent-3-enyl)-l,4-naph-thoquinone; EINECS 208-245-7; I,& Naphth-alenedione, 5.8-dihydroxy-2-( l-hydroxy-4-methyl-3- penteny1)-, (S)-; NSC 407295.
Chemical symbol:-
C16H16O5.
Molecular weight:-
288.2 g/mol.
Chemical registration numbering:-
CAS: 517-88-4.
General description:-
Solid.
Physical & Chemical Properties:-
mp = 149°C & poorly soluble in H2O more soluble in organic solvents.
Uses:-
Used as an astringent.
Used as an astringent.
Tags :
dyes
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