ACID ORANGE 20

Details

Stereochemistry	ACHIRAL
Molecular Formula	C16H11N2O4S.Na
Molecular Weight	350.324
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	1
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

[Na+].OC1=C2C=CC=CC2=C(C=C1)\N=N\C3=CC=C(C=C3)S([O-])(=O)=O

InChI

InChIKey=AZLXCBPKSXFMET-ZAGWXBKKSA-M

InChI=1S/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;

HIDE SMILES / InChI

Molecular Formula	C16H11N2O4S
Molecular Weight	327.335
Charge	-1
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	1
Optical Activity	NONE

Molecular Formula	Na
Molecular Weight	22.98976928
Charge	1
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Description
Sources: http://www.worlddyevariety.com/acid-dyes/acid-orange-20.html

Acid Orange 20 is an azodye. Used for wool, silk fiber dyeing, etc. Also used in leather dyeing and indicator.

Approval Year

Substance Class	Chemical Created by `admin` on `Mon Mar 31 19:15:20 GMT 2025` Edited by `admin` on `Mon Mar 31 19:15:20 GMT 2025`
Record UNII	W9Q9OB858O
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

ACID ORANGE 20

Common Name

English

C.I. ACID ORANGE 20

Preferred Name

English

FD&C ORANGE NO. 1 (DELISTED)

Common Name

English

A.F. ORANGE NO. 1

Common Name

English

.ALPHA.-NAPHTHOL ORANGE

Common Name

English

ACID LEATHER ORANGE I

Common Name

English

ORANGE I [MI]

Common Name

English

TROPAEOLIN 1

Common Name

English

ORANGE I

Common Name

English

JAPAN ORANGE 1

Common Name

English

4-(P-SULFOPHENYLAZO)-1-NAPHTHOL, SODIUM SALT

Common Name

English

YELLOW 404

Common Name

English

BENZENESULFONIC ACID, 4-((4-HYDROXY-1-NAPHTHALENYL)AZO)-,MONOSODIUM SALT

Systematic Name

English

C.I. ACID ORANGE 20 [HSDB]

Common Name

English

CI ACID ORANGE 20 [IARC]

Common Name

English

4-((4-HYDROXY-1-NAPHTHALENYL)AZO)BENZENESULFONIC ACID, MONOSODIUM SALT

Common Name

English

BENZENESULFONIC ACID, 4-(2-(4-HYDROXY-1- NAPHTHALENYL)DIAZENYL)-, SODIUM SALT

Systematic Name

English

EXT D AND C ORANGE NO. 3

Common Name

English

SODIUM 4-((4-HYDROXY-1-NAPHTHYL)AZO)BENZENESULPHONATE

Systematic Name

English

NSC-10449

Code

English

NAPHTHOL ORANGE

Common Name

English

Code System Code Type Description

NSC

10449