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| CAS No.: | 132-86-5 |
|---|---|
| Name: | 1,3-DIHYDROXYNAPHTHALENE |
| Article Data: | 19 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C10H8O2 |
| Molecular Weight: | 160.172 |
| Synonyms: | NSC 115890;Naphthoresorcinol;1,3-Naphthalenediol; |
| EINECS: | 205-079-7 |
| Density: | 1.33 g/cm3 |
| Melting Point: | 123-125 °C(lit.) |
| Boiling Point: | 361.5 °C at 760 mmHg |
| Flash Point: | 185.5 °C |
| Solubility: | Soluble in ethanol (50 mg/ml), and water. |
| Appearance: | orange-pink to brown crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26 |
| PSA: | 40.46000 |
| LogP: | 2.25100 |
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Chemistry
IUPAC Name: Naphthalene-1,3-diol
Following is the structure of 1,3-Dihydroxynaphthalene (CAS NO.132-86-5):
Empirical Formula: C10H8O2
Molecular Weight: 160.1693 g/mol
EINECS: 205-079-7
Index of Refraction: 1.725
Molar Refractivity: 47.85 cm3
Molar Volume: 120.4 cm3
Density: 1.33 g/cm3
Flash Point: 185.5 °C
Sensitive: Light Sensitive
Surface Tension: 64.4 dyne/cm
Enthalpy of Vaporization: 63.12 kJ/mol
Boiling Point: 361.5 °C at 760 mmHg
Vapour Pressure: 9.93E-06 mmHg at 25 °C
Appearance of 1,3-Dihydroxynaphthalene (CAS NO.132-86-5): orange-pink to brown crystalline powder
Product Categories of 1,3-Dihydroxynaphthalene (CAS NO.132-86-5): Industrial/Fine Chemicals
Canonical SMILES: C1=CC=C2C(=C1)C=C(C=C2O)O
InChI: InChI=1S/C10H8O2/c11-8-5-7-3-1-2-4-9(7)10(12)6-8/h1-6,11-12H
InChIKey: XOOMNEFVDUTJPP-UHFFFAOYSA-N
Uses
1,3-Dihydroxynaphthalene (CAS NO.132-86-5) is used as sugar and oil reagents and for measuring glucuronic acid in urine.
Production
1,3-Dihydroxynaphthalene (CAS NO.132-86-5) is derived from decarboxylation of 1,3-dihydroxy-2-carboxylic acid.
Toxicity Data With Reference
| 1. | mmo-sat 250 µmol/L | ENMUDM Environmental Mutagenesis. 3 (1981),11. | ||
| 2. | ipr-mus LD50:200 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. AD691-490 . |
1,3-Dihydroxynaphthalene (CAS NO.132-86-5) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
RTECS: QJ4725000
F: 8-9-23
Specification
1,3-Dihydroxynaphthalene , its cas register number is 132-86-5. It also can be called 3-Hydroxybenzocyclohexadien-1-one ; Naphthoresorcinol ; and Naphthoresoucinol . Its classification code is Mutation data .It should protect from moisture. Or be stored in tightly sealed containers in a cool place.
1,3-Dihydroxynaphthalene (CAS NO.132-86-5)should avoid the condition like incompatible materials, moisture, direct sunlight. It is not compatible with strong oxidizing agents, strong bases, acid chlorides, acid anhydrides. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide. However, its hazardous polymerization has not been reported.