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| CAS No.: | 534-15-6 |
|---|---|
| Name: | 1,1-Dimethoxyethane |
| Molecular Structure: | |
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| Formula: | C4H10 O2 |
| Molecular Weight: | 90.1222 |
| Synonyms: | Acetaldehyde,dimethyl acetal (6CI,8CI); 1,1-Dimethoxyethane; 3-Methyl-2,4-dioxapentane;Acetaldehyde methyl acetal; Dimethyl acetal; Ethylidene dimethyl ether |
| EINECS: | 208-589-8 |
| Density: | 0.85 |
| Melting Point: | -113 ºC |
| Boiling Point: | 64 ºC |
| Flash Point: | -17 ºC |
| Solubility: | SOLUBLE |
| Appearance: | clear colorless liquid |
| Hazard Symbols: |
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| Risk Codes: | R11 |
| Safety: | Mildly toxic by inhalation, ingestion, and skin contact. A skin and eye irritant. A very dangerous fire hazard when exposed to heat, flame, or oxidizers. When exposed to heat or flame it can react vigorously with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also GLYCOL ETHERS. |
| Transport Information: | UN 2377 |
| PSA: | 18.46000 |
| LogP: | 0.62520 |
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Chemistry
IUPAC Name: 1,1-Dimethoxyethane
Molecular Formula: C4H10O2
Molecular Weight: 90.14g/mol
Density: 0.85g/cm3
Vapor Density: 3.1 (vs air)
EINECS: 208-589-8
Liansport Information: UN 2377 3/PG 2
Properties: colorless liquid and strong aromatic odor
Melting Point: -113 °C
Boiling Point: 63 °C at 760 mmHg
Flash Point: -17 °C
Solubility: soluble in water
Freely Rotating Bonds: 2
Polar Surface Area: 18.46 Å2
Index of Refraction: 1.364
Molar Refractivity: 24.02 cm3
Molar Volume: 107.6 cm3
Polarizability: 9.52 ×10-24cm3
Surface Tension: 20.1 dyne/cm
Enthalpy of Vaporization: 29.25 kJ/mol
Vapour Pressure: 187 mmHg at 25°C
The chemical synonyms of 1,1-Dimethoxyethane (534-15-6) are 1,1-Dimethoxy-ethan ; 1,1'-Dimethoxyetiane ; Acetaldehydemethylacetal ; CH3CH(OCH3)2 ; Dimethyl aldehyde ; Dimethylaldehyde ; Ethane,1,1-dimethoxy- ; Methylformyl .Product categories of 1,1-Dimethoxyethane (534-15-6) are Aldehyde Flavor .The molecular structure of 1,1-Dimethoxyethane (534-15-6) is 
.
Uses
It can be used as flavor intermediate.
Toxicity Data With Reference
| 1. | skn-rbt 10 mg/24H open MLD | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60. | ||
| 2. | eye-rbt 20 mg open | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60. | ||
| 3. | orl-rat LD50:6500 mg/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60. | ||
| 4. | ihl-rat LC50:3000 ppm/4H | AMIHAB AMA Archives of Industrial Health. 12 (1955),623. | ||
| 5. | orl-rbt LD50:4507 mg/kg | PSEBAA Proceedings of the Society for Experimental Biology and Medicine. 29 (1932),730. | ||
| 6. | skn-rbt LD50:20 g/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60. |
Consensus Reports
Glycol ether compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
Mildly toxic by inhalation, ingestion, and skin contact. A skin and eye irritant. A very dangerous fire hazard when exposed to heat, flame, or oxidizers. When exposed to heat or flame it can react vigorously with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also GLYCOL ETHERS.
Hazard Codes: .gif)
F
F: Highly flammable
Risk Statements: 11
11: Highly flammable
Safety Statements 9-16-33
9: Keep container in a well-ventilated place
16: Keep away from sources of ignition - No smoking
33: Take precautionary measures against static discharges
F 10-21
F 10: Keep under argon
F 21: Sensitive to humidity
HazardClass: 3
Standards and Recommendations
DOT Classification: 3; Label: Flammable Liquid