Primary Record
Orange I
- In stock
- 8,661 g
- Purity
- 98.3 %
- CAS
- 523-44-4
Compound Identifiers & Properties
- CAS
- 523-44-4
- PubChem CID
- 135513128
- SMILES
- C1=CC=C2C(=C1)C(=CC=C2O)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
- Canonical SMILES
- O=S(=O)([O-])c1ccc(N=Nc2ccc(O)c3ccccc23)cc1.[Na+]
Names & Synonyms
- Orange I
- C.I. Acid Orange 20
- Acid Orange 20
- Naphthol orange
- 523-44-4
- Tropaeolin 1
- Japan Orange 1
- Tropeolin
- Orange S
- Aizen Orange I
- alpha-Naphthol orange
- Acid Orange I
- Java Orange I
- Orange IM
- Eniacid Orange I
- Acid phosphine CL
- Hispacid Orange 1
- Neklacid Orange 1
- Tropeolin [Czech]
- Certiqual Orange I
- Tertracid Orange I
- FDC Orange I
- Tropaeolin OOO 1
- Orange 1 sodium
- Oranz I [Czech]
- Yellow 404
- Oranz I
- Orange centn
- Acid Leather Orange I
- Naphthalene Orange I
- Oranz kysela 20
- Japan Orange 402
- Orange yellow I
- Dye Orange No. 1
- AF Orange No. 1
- Orange 1 sodium salt
- |A-Naphthol orange
- Nankai Acid Orange I
- Schultz No. 185
- a-Naphthol orange
- orange 1
- 1333 Orange
- A.F. Orange No. 1
- Orange I, Sodium Salt
- Tropaeolin OOO no. 1
- Aizen Naphthol Orange I
- Tropaeolin OOO-1
- Tropaeolin 000 No. 1
- alpha-NaphtholOrange
- F. D. C Orange 1
- Aizen Food Orange No. 1
- Oranz kysela 20 [Czech]
- Ext D and C Orange No. 3
- FD And C Orange No. 1
- Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate
- .alpha.-Naphthol Orange
- FD&C Orange Number 1
- CI ACID ORANGE 20
- RefChem:199755
- UNII-W9Q9OB858O
- ORANGE I [MI]
- Orange I Extra Conc. A Export
- C16H11N2O4S.Na
- Extract D and C Orange No. 3
- HSDB 5493
- External D and C Orange No. 3
- W9Q9OB858O
- Extract D and C Orange Number 3
- C16H11N2NaO4S
- Sodium azo-alpha-naphtholsulfanilate
- C16H12N2O4S.Na
- EINECS 208-346-6
- Sodium azo-alpha-naphtholsulphanilate
- MFCD00021510
- NSC 10449
- orb1909137
- orb3025238
- SCHEMBL3083351
- SCHEMBL9102916
- SCHEMBL9645286
- C.I. Acid Orange 20 monosodium salt
- SCHEMBL29352135
- CHEBI:82426
- C.I. Acid Orange 20, monosodium salt
- DTXSID50883421
- MSK2453
- AZLXCBPKSXFMET-UHFFFAOYSA-M
- HMWJVUNISIEXFR-FLNCGGNMSA-M
- Sodiumazo-alpha-naphtholsulfanilate
- AO-20
- C.I. 150
- DTXCID401022952
- DTXSID001027205
- alpha-Naphthol Orange - 25G 25g
- CI ACID ORANGE 20 [IARC]
- KS-000015WJ
- 4-(p-Sulfophenylazo)-1-naphthol, sodium salt
- C16-H12-N2-O4-S.Na
- a-Naphthol Orange (Technical Grade)
- NSC-10449
- SBB058262
- C.I. 14600
- 4-p-Sulfophenylazo-1-naphthol monosodium salt
- AKOS015903407
- AKOS016009887
- AKOS030228508
- C.I. ACID ORANGE 20 [HSDB]
- CID9570074
- 4-p-Sulphophenylazo-1-naphthol, monosodium salt
- alpha-Naphthol Orange (Technical Grade)
- FD&C ORANGE NO. 1 (DELISTED)
- AN-23524
- LS-31979
- DB-052113
- 4-(4-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt
- FT-0622184
- N0308
- NS00080045
- Sodium 4-((4-hydroxy-1-naphthyl)azo)benzenesulphonate
- ST24031640
- ST51016125
- Z3708
- C.I. ACID ORANGE 20 (REFERENCE GRADE)
- C19371
- Acid Leather Orange I;-Naphthol Orange;Orange I
- 4-((4-Hydroxy-1-naphthalenyl)azo)benzenesulfonic acid, monosodium salt
- p-((4-Hydroxy-1-naphthyl)azo)benzenesulfonic acid, sodium salt
- p-((4-Hydroxy-1-naphthyl)azo)benzenesulphonic acid, sodium salt
- sodium;4-[(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
- A1203735
- p-((4-Hydroxy-1-naphthyl)azo)benzenesulfonic acid, monosodium salt
- p-((4-Hydroxy-1-naphthyl)azo)benzenesulphonic acid, monosodium salt
- Q5425275
- sodium (E)-4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate
- Sodium 4-(4-Hydroxy-1-naphthylazo)benzenesulfonate
- sodium p-(4-hydroxy-1-naphthylazo)-benzenesulfonate
- 4-((4-Hydroxy-1-naphthalenyl)azo)benzenesulphonic acid, monosodium salt
- Acid Leather Orange I;alpha-Naphthol Orange;Orange I
- I14-19074
- Sodium 4-[(4-hydroxy-1-naphthyl)azo]benzenesulphonate
- 4-(4-Hydroxy-1-naphthylazo)benzenesulfonicacidsodiumsalt
- Benzenesulfonic acid, 4-((4-hydroxy-1-naphthalenyl)azo)-, monosodium salt
- Benzenesulfonic acid, p-((4-hydroxy-1-naphthyl)azo)-, sodium salt
- 4-[(4-hydroxynaphthyl)diazenyl]benzenesulfonic acid, sodium salt
- Benzenesulfonic acid, 4-(2-(4-hydroxy-1-naphthalenyl)diazenyl)-, sodium salt (1:1)
- Benzenesulfonic acid, 4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
- sodium 4-[(2E)-2-(4-oxo-1-naphthylidene)hydrazino]benzenesulfonate
- 4-[(4-Hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt
- Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt
- Tropaeolin 000 No. 1, for microscopy (Hist.), indicator (pH 7.6-8.9)
- BENZENESULFONIC ACID, 4-((4-HYDROXY-1-NAPHTHALENYL)AZO)-,MONOSODIUM SALT
- BENZENESULFONIC ACID, 4-(2-(4-HYDROXY-1- NAPHTHALENYL)DIAZENYL)-, SODIUM SALT
- Sodium 4-[(2E)-2-(4-oxo-1(4H)-naphthalenylidene)hydrazino]benzenesulfonate
- 113402-22-5
- Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI); C.I. Acid Orange 20 (7CI); C.I. Acid Orange 20, monosodium salt (8CI); 1333 Orange; 4-p-Sulfophenylazo-1-naphthol monosodium salt; A.F. Orange No. 1; Acid Leather Orange I; Acid Orange 20; Acid Orange I; Aizen Orange I; C.I. 14600; Certiqual Orange I; Dye orange No. 1; Eniacid Orange I; Ext D & C Orange 3; Ext D and C Orange No. 3; External D and C Orange Number 3; FD and C Orange 1; FD and C Orange No. 1; Hispacid Orange 1; Japan Orange 1; Japan Orange 402; Japan Orange No. 402; Java Orange I; Naphthalene Orange I; Naphthol Orange; Neklacid Orange 1; Orange 1 sodium salt; Orange 402; Orange I; Orange I Extra Conc. A Export; Orange IM; Orange No. 402; Tertracid Orange I; Tropaeolin 1; Tropaeolin OOO 1; Yellow 404; a-Naphthol Orange