-
Name
2-methyl-3,4-dihydro-2H-pyran
- EINECS
- CAS No. 27156-32-7
- Density 0.885g/cm3
- Solubility
- Melting Point
- Formula C6H10 O
- Boiling Point 122.2°C at 760 mmHg
- Molecular Weight 98.16
- Flash Point 17.3°C
- Transport Information
- Appearance
- Safety Moderately toxic by ingestion and subcutaneous routes. Mildly toxic by inhalation. When heated to decomposition it emits acrid smoke and irritating fumes.
- Risk Codes
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Molecular Structure
- Hazard Symbols
- Synonyms
- PSA
- LogP
Methyldihydropyran Chemical Properties
IUPAC Name: 2-Methyl-3,4-dihydro-2H-pyran
Synonyms of Methyldihydropyran (CAS NO.27156-32-7): 2H-Pyran, 3,4-dihydromethyl-
CAS NO: 27156-32-7
Molecular Formula: C6H10O
Molecular Weight : 98.143000 g/mol
Molecular Structure: .png)
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 9.23 Å2
Index of Refraction: 1.436
Molar Refractivity: 28.97 cm3
Molar Volume: 110.7 cm3
Surface Tension: 28.3 dyne/cm
Density: 0.885 g/cm3
Flash Point: 17.3 °C
Enthalpy of Vaporization: 34.53 kJ/mol
Boiling Point: 122.2 °C at 760 mmHg
Vapour Pressure: 16.9 mmHg at 25°C
Methyldihydropyran Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 6500mg/m3/2H (6500mg/m3) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 82, 1982. | |
| mouse | LD50 | oral | 1950mg/kg (1950mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 15(5), Pg. 49, 1971. | |
| mouse | LD50 | subcutaneous | 1250mg/kg (1250mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 15(5), Pg. 49, 1971. |
Methyldihydropyran Safety Profile
Moderately toxic by ingestion and subcutaneous routes. Mildly toxic by inhalation. When Methyldihydropyran (CAS NO.27156-32-7) is heated to decomposition, it emits acrid smoke and irritating fumes.
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