CAS 523-44-4: Orange I

Formula: C₁₆H₁₂N₂O₄S·Na

InChI: 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);

InChI key: InChIKey=CEQOUNIKCGZOPR-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C1=CC=C(N=NC2=CC=C(O)C=3C=CC=CC23)C=C1

Synonyms:

• 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
• Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt
• Benzenesulfonic acid, 4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
• 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
• alpha-Naphthol orange
• sodium 4-[(2E)-2-(4-oxonaphthalen-1(4H)-ylidene)hydrazinyl]benzenesulfonate
• sodium 4-[(E)-(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
• α-Naphthol Orange
• C.I. Acid Orange 20
• C.I. Acid Orange 20, monosodium salt (8CI)
• C.I. 14600
• C.I. Acid Orange 20, monosodium salt
• C.I. 14600
• C.I. 150
• C.I. Acid Orange 20 monosodium salt
• C.I. Acid Orange 20, monosodium salt
• C.I. Acid Orange 20

α-Naphthol Orange

CAS: 523-44-4

• Formula: C₁₆H₁₁N₂NaO₄S
• Color and Shape: Orange to Brown to Dark red powder to crystal
• Molecular weight: 350.32

Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate

CAS: 523-44-4

• Formula: C₁₆H₁₁N₂NaO₄S
• Color and Shape: Solid
• Molecular weight: 350.3243

Tropaeolin 000 No. 1

CAS: 523-44-4

• Molecular weight: 350.32

Orange I

CAS: 523-44-4

Orange I (α-Naphthol Orange) is an aromatic sulfonated p-azo dye that interferes with microbial degradation.

• Formula: C₁₆H₁₁N₂NaO₄S
• Purity: 96.48%
• Color and Shape: Solid
• Molecular weight: 350.32

Orange 1 sodium

CAS: 523-44-4

• Formula: C₁₆H₁₁N₂O₄S·Na
• Color and Shape: Neat
• Molecular weight: 350.32

Orange No.402 for TLC RS

CAS: 523-44-4

• Color and Shape: Red-Brown Solid Grains Or Powder

Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate

CAS: 523-44-4

• Purity: 95.0%
• Color and Shape: Solid
• Molecular weight: 350.32000732421875

α-Naphthol Orange (Technical Grade)

CAS: 523-44-4

• Formula: C₁₆H₁₁N₂O₄S·Na
• Color and Shape: Neat
• Molecular weight: 350.32

±-Naphthol Orange

CAS: 523-44-4

±-Naphthol Orange is a fluorescent dye that is used for wastewater treatment. It is a …

• Formula: C₁₆H₁₁N₂NaO₄S
• Purity: Min. 95%
• Color and Shape: Powder
• Molecular weight: 350.32 g/mol