Basic information
- Name:
Carbonic acid cyclic propylene ester
- Superlist Name:
- Propylene carbonate
- CAS No.:
108-32-7
- Molecular Structure:
- Formula:
- C4H6O3
- Molecular Weight:
- 102.10
- Deleted CAS:
- 104083-03-6|127128-76-1|30141-77-6
- Synonyms:
- Carbonicacid, cyclic propylene ester (8CI);Carbonic acid, propylene ester (6CI);1,2-Propanediol carbonate;1,2-Propanediol cyclic carbonate;1,2-Propanediylcarbonate;1,2-Propylene carbonate;1-Methylethylene carbonate;2-Methyl-1,2-ethylene carbonate;2-Oxo-4-methyl-1,3-dioxolane;4-Methyl-1,3-dioxolan-2-one;4-Methyl-1,3-dioxolane-2-one;4-Methyl-2-oxo-1,3-dioxolane;Arconate 1000;Arconate 5000;Arconate HP;Carbonic acid cyclic 1,2-propylene ester;Carbonic acid cyclic methylethyleneester;Cyclic 1,2-propylene carbonate;Cyclic methylethylene carbonate;Cyclicpropylene carbonate;Jeffsol AG 1555;Jeffsol PC;NSC 11784;NSC 1913;PC-HP;Propylene carbonate;Propylene glycol cyclic carbonate;Texacar PC;
- EINECS:
- 203-572-1
- Density:
- 1.169 g/cm3
- Melting Point:
- -49 °C
- Boiling Point:
- 241.7 °C at 760 mmHg
- Flash Point:
- 135.3 °C
- Solubility:
- 240 g/L (20°C) in water
- Appearance:
- colourless liquid
- Hazard Symbols:
Xi- Risk Codes:
- 36
- Safety Description:
- 26-37/39 Details
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Chemistry
IUPAC Name: 4-methyl-1,3-dioxolan-2-one
Synonyms of Carbonic acid cyclic propylene ester (CAS NO.108-32-7): Carbonicacid, cyclic propylene ester (8CI) ; Carbonic acid, propylene ester (6CI) ; 1,2-Propanediol carbonate ; 1-Methylethylene carbonate ; 2-Oxo-4-methyl-1,3-dioxolane
CAS NO: 108-32-7
Molecular Formula: C4H6O3
Molecular Weight:102.10
Molecular Structure: 
EINECS:203-572-1
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 35.53 Å2
Index of Refraction: 1.415
Molar Refractivity: 21.88 cm3
Molar Volume: 87.2 cm3
Surface Tension: 30 dyne/cm
Density: 1.169 g/cm3
Flash Point: 135.3 °C
Enthalpy of Vaporization: 47.87 kJ/mol
Boiling Point: 241.7 °C at 760 mmHg
Vapour Pressure: 0.0354 mmHg at 25°C
Melting Point: -49 °C
Water Solubility: 240 g/L (20°C)
Appearance: colourless liquid
Stability: Stable. Incompatible with strong oxidizing agents, acids, bases, reducing agents. Protect from contact with moist air or water.
Product Categories of Carbonic acid cyclic propylene ester (CAS NO.108-32-7): Intermediates of Dyes and Pigments;Dioxanes & Dioxolanes;Dioxolanes
Uses
Carbonic acid cyclic propylene ester (CAS NO.108-32-7) is a polar solvent, used as a plasticizer, spinning solvent, water-soluble dyes and plastics dispersant. It can be replaced by phenolic resin as wood adhesives, but also for the synthesis of dimethyl carbonate. Beisdes, Carbonic acid cyclic propylene ester can be used for oily solvent, spinning solvents, olefins, aromatics extraction agent, carbon dioxide absorbent, water-soluble dyes and pigment dispersant.
Production
CARBONIC ACID CYCLIC PROPYLENE ESTER (108-32-7) 's producetion.
1. Phosgene the role of raw material propylene glycol with phosgene to generate hydroxyl isopropyl chloroformate, and then reacts with sodium hydroxide, propylene carbonate, and then by vacuum distillation was finished.
2. Transesterification.
3. Chloro-propanol France.
4. Synthesis of propylene oxide with carbon dioxide to carbon dioxide and propylene oxide at 150-160oC , 5MPa reaction under the conditions of propylene carbonate. After decompression fractionation was finished. The above method have been industrialized, but the high cost of the first three methods of production, product quality and poor, which was gradually replaced by a fourth method. 5. Propylene oxide with carbon dioxide to synthesis. This method is developed in the laboratory in recent years as a synthetic method.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD | intraperitoneal | > 500mg/kg (500mg/kg) | "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 218, 1954. | |
| mouse | LD50 | oral | 20700mg/kg (20700mg/kg) | Journal of the American College of Toxicology. Vol. 6(1), Pg. 23, 1987. | |
| mouse | LD50 | subcutaneous | 15800mg/kg (15800mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Shikoku Igaku Zasshi. Shikoku Medical Journal. Vol. 28, Pg. 276, 1972. |
| rabbit | LD50 | skin | > 20mL/kg (20mL/kg) | Union Carbide Data Sheet. Vol. 4/25/1958, | |
| rat | LC50 | inhalation | > 5gm/m3 (5000mg/m3) | United States Patent Document. Vol. #5122301, | |
| rat | LD50 | oral | 29100uL/kg (29.1mL/kg) | Union Carbide Data Sheet. Vol. 4/25/1958, | |
| rat | LD50 | subcutaneous | 11100mg/kg (11100mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Shikoku Igaku Zasshi. Shikoku Medical Journal. Vol. 28, Pg. 276, 1972. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36
R36: Irritating to eyes.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 1
RTECS: FF9650000
F: 3-10
HS Code: 29209010
Mildly toxic by ingestion and other routes. A human skin irritant. An eye irritant. See also ESTERS. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. Can react with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
CARBONIC ACID CYCLIC PROPYLENE ESTER (108-32-7) has the safty information.