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6358-53-8

6358-53-8 structural image
Product Name: 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
Formula: C18H16N2O3
Synonyms: 1-(2,5-Dimethoxyphenylazo)-2-naphthol
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Citrus red no. 2 appears as orange to yellow solid or dark red powder. (NTP, 1992)
Color/Form Orange to yellow solid or dark red powder (NTP, 1992)
Melting Point 311 to 315 °F (NTP, 1992)
Solubility less than 1 mg/mL at 72 °F (NTP, 1992)
Decomposition When heated to decomposition it emits toxic fumes of /nitrogen oxide/.
Chemical Classes Dyes -> Azo Dyes

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Health Hazard
GHS08
GHS Hazard Statements H351:Carcinogenicity
Precautionary Statement Codes P281:Use personal protective equipment as required.

COMPUTED DESCRIPTORS

Molecular Weight 308.3 g/mol
XLogP3 4.5
Hydrogen Bond Donor Count 1
Hydrogen Bond Acceptor Count 5
Rotatable Bond Count 4
Exact Mass 308.11609238 g/mol
Monoisotopic Mass 308.11609238 g/mol
Topological Polar Surface Area 63.4 Ų
Heavy Atom Count 23
Formal Charge 0
Complexity 404
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Citrus red no. 2 appears as orange to yellow solid or dark red powder. (NTP, 1992)