6358-53-8
Product Name:
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
Formula:
C18H16N2O3
Synonyms:
1-(2,5-Dimethoxyphenylazo)-2-naphthol
Inquiry
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)

