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| CAS No.: | 93-45-8 |
|---|---|
| Name: | N-(4-HYDROXYPHENYL)-2-NAPHTHYLAMINE, 97 |
| Article Data: | 12 |
| Molecular Structure: | |
|
|
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| Formula: | C16H13 N O |
| Molecular Weight: | 235.285 |
| Synonyms: | Phenol,p-(2-naphthylamino)- (7CI,8CI); 4-(2-Naphthylamino)phenol; 4-Hydroxyphenyl-b-naphthylamine;N-(4-Hydroxyphenyl)-2-naphthylamine; N-(p-Hydroxyphenyl)-2-naphthylamine;N-(p-Hydroxyphenyl)-b-naphthylamine; NSC 15372; NSC 21065; Paraoxyneozone;p-(2-Naphthylamino)phenol; p-(b-Naphthylamino)phenol; p-Hydroxyneozon; p-Hydroxyneozone;p-Hydroxyphenyl-2-naphthylamine; p-Hydroxyphenyl-b-naphthylamine |
| Density: | 1.251g/cm3 |
| Melting Point: | 139-142 °C(lit.) |
| Boiling Point: | 424.4°C at 760 mmHg |
| Flash Point: | 173.1°C |
| Hazard Symbols: |
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| Risk Codes: | 20/21/22-36/37/38-40 |
| Safety: | Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES. |
| PSA: | 32.26000 |
| LogP: | 4.36200 |
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Chemistry
IUPAC Name: 4-(Naphthalen-2-ylamino)phenol
Synonyms of p-(2-Naphthylamino)phenol (CAS NO.93-45-8): 4-(2-Naftylamino)fenol ; 4-(2-Naphthalenylamino)phenol ; 4-(2-Naphthylamino)phenol ; 4-Hydroxyphenyl-beta-naphthylamine ; N-p-Hydroxyphenyl-2-naphthylamine ; N-p-Hydroxyphenyl-beta-naphthylamine ; p-(beta-Naphthylamino)phenol ; p-Hydroxyneozon ; p-Hydroxyphenyl-2-naphthylamine ; p-Oxyneozone ; Phenol, 4-(2-naphthalenylamino)- ; Phenol, p-(2-naphthylamino)-
Product Categories: Intermediates of Dyes and Pigments
CAS NO: 93-45-8
Molecular Formula: C16H13NO
Molecular Weight: 235.2805
Molecular Structure : 
EINECS: 202-248-7
H bond acceptors: 2
H bond donors: 2
Freely Rotating Bonds: 3
Polar Surface Area: 12.47 Å2
Index of Refraction: 1.733
Molar Refractivity: 75.35 cm3
Molar Volume: 188 cm3
Surface Tension: 58.2 dyne/cm
Density: 1.251 g/cm3
Flash Point: 173.1 °C
Enthalpy of Vaporization: 70.52 kJ/mol
Boiling Point: 424.4 °C at 760 mmHg
Vapour Pressure: 8.37E-08 mmHg at 25°C
Melting Point: 139-142 °C(lit.)
Stability: Stable. Incompatible with strong oxidizing agents.
Appearance: P-(2-Naphthylamino)phenol (CAS NO.93-45-8) is purple solid.
Water solubility: Insoluble in water.
Uses
P-(2-Naphthylamino)phenol (CAS NO.93-45-8) is used for dyeing of cotton and Victoria / cotton blended fabric.
Production
P-(2-Naphthylamino)phenol (CAS NO.93-45-8) can be derived from condensation of 2-Naphthol and p-Aminophenol .
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 2200mg/kg (2200mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Hygiene and Sanitation Vol. 31(1-3), Pg. 183, 1966. |
| rat | LD50 | oral | 5200mg/kg (5200mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Hygiene and Sanitation Vol. 31(1-3), Pg. 183, 1966. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38-40
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
R40: Limited evidence of a carcinogenic effect.
Safety Statements: 26-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RTECS: SM1750000
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.
Specification
Phenols and cresols are much weaker as acids than common carboxylic acids ,which are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are also nitrated very rapidly, even by dilute nitric acid.Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature).