49744-28-7

Basic information

• Product Name: 1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol
• Synonyms: 1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol;2-Naphthalenol, 1-(4-methoxy-2-nitrophenyl)azo-;1-(2'-Nitro-4'-methoxyphenylazo)-2-naphthol;1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthaleno;1-[(4-methoxy-2-nitrophenyl)azo]-2-Naphthalenol
• CAS NO: 49744-28-7
• Molecular Formula: C₁₇H₁₃N₃O₄
• Molecular Weight: 323.30282
• EINECS: 256-458-9
• Mol File: 49744-28-7.mol
• Article Data: 0

Chemical Properties

• Melting Point: 201-204 °C
• Boiling Point: 517.5°C at 760 mmHg
• Flash Point: 266.8°C
• Appearance: /
• Density: 1.35g/cm³
• Vapor Pressure: 8.14E-11mmHg at 25°C
• Refractive Index: 1.651
• PKA: 13.45±0.50(Predicted)
• CAS DataBase Reference: 1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol(CAS DataBase Reference)
• NIST Chemistry Reference: 1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol(49744-28-7)
• EPA Substance Registry System: 1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol(49744-28-7)

Safety Data

• Hazardous Substances Data: 49744-28-7(Hazardous Substances Data)

Usage

General Description

1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol, also known as Acid Orange 7, is an organic compound that is commonly used as a dye in the textile industry. It is a synthetic azo dye that is known for its vibrant orange color. This chemical is made up of a 1-[(4-methoxy-2-nitrophenyl)azo] group attached to a 2-naphthol molecule. It is used to color textiles, paper, leather, and plastics. However, it is also known to be a potential carcinogen and has been banned in certain countries due to its harmful effects on human health and the environment. Additionally, it has been identified as a potential allergen and irritant to the skin, eyes, and respiratory system. Therefore, its use is highly regulated in many regions.

InChI:InChI=1/C17H13N3O4/c1-24-12-7-8-14(15(10-12)20(22)23)18-19-17-13-5-3-2-4-11(13)6-9-16(17)21/h2-10,18H,1H3/b19-17-

Upstream product

• 135-19-3 β-naphthol