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2-naphthol orange MeSH Supplementary Concept Data 2025


MeSH Supplementary
2-naphthol orange
Unique ID
C014722
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/C014722
Entry Term(s)
AO-7 dye
Acid Orange 7
C.I. Acid Orange
C.I. Acid Orange 7
D&C orange no. 4
DC orange no. 4
Orange II
Tropaeolin
beta-naphthol orange
orange 4
Pharm Action
Coloring Agents
Registry Numbers
Q1LIY3BO0U
Related Numbers
633-96-5
CAS Type 1 Name
4-((2-hydroxy-1-naphthalenyl)azo)benzenesulfonic acid monosodium salt
Heading Mapped to
*Azo Compounds
*Benzenesulfonates
Frequency
405
Note
structure; see also record for C.I. Solvent Orange 2
Source
Indian J Exp Biol 15(12):1215;1977
Intest Permeat W3 EX89, No.391:173;1975
Date of Entry
1977/01/01
Revision Date
2017/03/20
2-naphthol orange Preferred
Tropaeolin Narrower
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