-
Name
BETA-LAPACHONE
- EINECS
- CAS No. 4707-32-8
- Article Data74
- CAS DataBase
- Density 1.25g/cm3
- Solubility
- Melting Point >110oC (dec.)
- Formula C15H14O3
- Boiling Point 381.4°C at 760 mmHg
- Molecular Weight 242.274
- Flash Point 169.7°C
- Transport Information
- Appearance
- Safety Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms beta-lapachone;3,4-Dihydro-2,2-dimethyl-2H-naphtho(1,2-b)pyran-5,6-dione;|A-lapachone;3,4-dihydro-2,2-dimethyl-2H-naphthol[1,2-b]-pyran-5,6-dione;2,2-dimethyl-3,4-dihydrobenzo[h]chromene-5,6-dione;
- PSA 43.37000
- LogP 2.75210
β-Lapachone Chemical Properties
IUPAC Name: 2,2-dimethyl-3,4-dihydrobenzo[h]chromene-5,6-dione
Molecular Formula: C15H14O3
Molecular Weight: 242.29
Density: 1.25 g/cm3
Melting Point: 155-156°C
Flash Point: 169.7 °C
Boiling Point: 381.4 °C at 760 mmHg
Freely Rotating Bonds: 0
Polar Surface Area: 43.37 Å2
Index of Refraction: 1.595
Molar Refractivity: 65.76 cm3
Molar Volume: 193.5 cm3
Polarizability: 26.07 ×10-24 cm3
Surface Tension: 48.4 dyne/cm
Enthalpy of Vaporization: 62.97 kJ/mol
Vapour Pressure: 5.09E-06 mmHg at 25°C
Storage temperature: -20 °C
The Cas Register Number of β-Lapachone is 4707-32-8.The chemical synonyms of β-Lapachone (CAS NO.4707-32-8) are β-Lapachone ; 2,2-Dimethyl-3,4,5,10-tetrahydro-2H-naphtho[2,3-b]pyran-5,10-dione ; 3,4-Dihydro-2,2-dimethyl-2H-naphtho[2,3-b]pyran-5,10-dione .Product categories of β-Lapachone (CAS NO.4707-32-8) are DNA Repair Regulators Cancer Research ; Gene RegulationEnzyme Inhibitors by Enzyme ; Topoisomerase I ; Apoptosis and Cell Cycle ; Chemopreventive Agents ; DNA metabolism . The molecular structure of β-Lapachone (CAS NO.4707-32-8) is
.
β-Lapachone Uses
β-Lapachone (CAS NO.4707-32-8) is used in organic synthesis.
β-Lapachone Toxicity Data With Reference
| 1. | dnd-ham-ovr 40 µmol/L | MUREAV Mutation Research. 401 (1998),55. | ||
| 2. | cyt-ham-ovr 2 µmol/L | MUREAV Mutation Research. 288 (1993),263. | ||
| 3. | sce-ham-ovr 1 µmol/L | MUREAV Mutation Research. 288 (1993),263. |
β-Lapachone Safety Profile
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
WGK Germany: 3
RTECS: QL6127400
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