U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C17H15N3
Molecular Weight 261.3211
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 1
Charge 0

SHOW SMILES / InChI
Structure of YELLOW OB

SMILES

CC1=C(C=CC=C1)\N=N\C2=C(N)C=CC3=C2C=CC=C3

InChI

InChIKey=BWLVSYUUKOQICP-FMQUCBEESA-N
InChI=1S/C17H15N3/c1-12-6-2-5-9-16(12)19-20-17-14-8-4-3-7-13(14)10-11-15(17)18/h2-11H,18H2,1H3/b20-19+

HIDE SMILES / InChI

Molecular Formula C17H15N3
Molecular Weight 261.3211
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 1
Optical Activity NONE

Yellow OB (1-o-Tolyl-azo-2-naphthylamine) is a member of azobenzenes. and a non-water-soluble dye. Yellow OB is readily soluble in oils and fats but is only slightly soluble in glycerol and glycols. It is also one of the principal colors used for coloring butter and margarine. The fastness ratings of yellow OB are identical with those of yellow AB.

Approval Year

Substance Class Chemical
Created
by admin
on Sat Dec 16 07:57:39 GMT 2023
Edited
by admin
on Sat Dec 16 07:57:39 GMT 2023
Record UNII
QE535CBH7S
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
YELLOW OB
MI  
Common Name English
OIL YELLOW OB
Common Name English
NSC-11234
Code English
1-(2-METHYLPHENYL)AZO-2-NAPHTHALENAMINE
Systematic Name English
FD&C YELLOW NO. 4 (DELISTED)
Common Name English
YELLOW OB [MI]
Common Name English
ZLUT MASELNA OB
Common Name English
C.I. SOLVENT YELLOW 6
Common Name English
EXT D AND C YELLOW NO. 10
Common Name English
A.F. YELLOW NO. 3
Brand Name English
1-(O-TOLYLAZO)-2-NAPHTHYLAMINE
Common Name English
YELLOW OB [IARC]
Common Name English
JAUNE OB
Common Name English
CERISOL YELLOW TB
Common Name English
DOLKWAL YELLOW OB
Common Name English
C.I. FOOD YELLOW 11
Common Name English
Code System Code Type Description
HSDB
8010
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
ECHA (EC/EINECS)
205-039-9
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
MERCK INDEX
m11564
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY Merck Index
CAS
131-79-3
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
RXCUI
1874282
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
EPA CompTox
DTXSID3074498
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
NSC
11234
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
FDA UNII
QE535CBH7S
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY
DAILYMED
QE535CBH7S
Created by admin on Sat Dec 16 07:57:39 GMT 2023 , Edited by admin on Sat Dec 16 07:57:39 GMT 2023
PRIMARY