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CAS No.: | 105-57-7 |
---|---|
Name: | Ethane, 1,1-diethoxy- |
Article Data: | 177 |
Molecular Structure: | |
Formula: | C6H14O2 |
Molecular Weight: | 118.176 |
Synonyms: | Acetaldehyde,diethyl acetal (8CI);1,1-Diethoxyethane;Acetaldehyde ethyl acetal;Diethyl acetal;Ethanal diethyl acetal;Ethylidene diethyl ether;NSC 7624; |
EINECS: | 203-310-6 |
Density: | 0.84 g/cm3 |
Melting Point: | -100 °C |
Boiling Point: | 103.6 °C at 760 mmHg |
Flash Point: | -6°F |
Solubility: | 46 g/L (25 °C) in water |
Appearance: | clear, colorless liquid |
Hazard Symbols: | F, Xi |
Risk Codes: | 11-36/38 |
Safety: | 9-16-33 |
Transport Information: | UN 1088 3/PG 2 |
PSA: | 18.46000 |
LogP: | 1.40540 |
Conditions | Yield |
---|---|
With iron sulfide; hydrogen sulfide at 250℃; vapor phase; | 90% |
With KSF clay for 0.0833333h; Irradiation; microwave irradiation; |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; mercury(II) diacetate In ethanol at 70℃; for 1h; | A 84% B 0.95 g |
2-ethoxypropionamide
ethyl vinyl ether
A
diethyl acetal
B
ethanol
C
2-Ethoxy-N-[1-(2-ethoxy-propionylamino)-ethyl]-propionamide
Conditions | Yield |
---|---|
With hydrogenchloride; hydroquinone at 82℃; for 0.25h; | A n/a B n/a C 83% |
ethene
carbon monoxide
diphenyl acetylene
A
diethyl acetal
B
5-ethyl-3,4-diphenyl-2(5H)-furanone
C
pentan-3-one
Conditions | Yield |
---|---|
With ethanol; dodecacarbonyltetrarhodium(0) at 180℃; under 36775.4 Torr; for 6h; | A 25.5% B 73% C 41.7% |
Conditions | Yield |
---|---|
With tropylium tetrafluoroborate In acetonitrile at 90℃; Flow reactor; Green chemistry; | 72% |
at 25℃; | |
With toluene-4-sulfonic acid |
oct-1-ene
A
diethyl acetal
B
3-octanone
C
octan-4-one
D
acetaldehyde
E
ethyl acetate
F
hexyl-methyl-ketone
Conditions | Yield |
---|---|
With ethanol; oxygen; lithium chloride; copper dichloride; palladium dichloride at 60℃; for 24h; Product distribution; various catalysts (Pd(II)(NH3)x/Cu(II)/Li(I)/Cl(1-) and Pd(II) (or Pd(0))/Zeolites/Cu(II)/Li(I)/Cl(1-) systems); | A n/a B n/a C n/a D n/a E n/a F 70% |
N-(2-hydroxyethyl)-2,2,2-trifluoroacetamide
ethyl vinyl ether
A
diethyl acetal
B
N,N′-[ethane-1,1-diylbis(oxyethane-2,1-diyl)]bis-(2,2,2-trifluoroacetamide)
C
N-[2-(1-ethoxyethoxy)ethyl]-2,2,2-trifluoroacetamide
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether for 3 - 11h; Reflux; | A n/a B n/a C 51% |
Conditions | Yield |
---|---|
With hydrogenchloride | 34% |
ethanol
ethene
carbon monoxide
diphenyl acetylene
A
diethyl acetal
B
2-phenyl-3-(ethoxycarbonyl)-indanone
C
5-Ethoxy-3,4-diphenyl-2(5H)-furanone
D
5-ethyl-3,4-diphenyl-2(5H)-furanone
E
pentan-3-one
Conditions | Yield |
---|---|
dodecacarbonyltetrarhodium(0) at 125℃; under 36775.4 Torr; for 6h; Product distribution; the influence of reaction temperature on product yield/distribution; | A 0.5% B 11% C 4% D 31% E 0.2% |
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ACETAL is reported in EPA TSCA Inventory.
DOT Classification: 3; Label: Flammable Liquid
The Acetal, with the CAS registry number 105-57-7 and EINECS registry number 203-310-6, has the systematic name and IUPAC name of 1,1-diethoxyethane. It is a molecule with two single bonded oxygens attached to the same carbon atom. It is a kind of clear, colorless liquid, and belongs to the product category of Pharmaceutical Intermediates. And the molecular formula of the chemical is C6H14O2. What's more, it should be stored in the refrigerator.
It is stable compared to hemiacetals but their formation is a reversible equilibrium as with esters. And It is used as protecting groups for carbonyl groups in organic synthesis as they are stable with respect to hydrolysis by bases and with respect to many oxidizing and reducing agents. And it is also used as solvent in organic synthesis.
The physical properties of Acetal are as followings: (1)ACD/LogP: 1.15; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.14; (4)ACD/LogD (pH 7.4): 1.14; (5)ACD/BCF (pH 5.5): 4.37; (6)ACD/BCF (pH 7.4): 4.37; (7)ACD/KOC (pH 5.5): 99.95; (8)ACD/KOC (pH 7.4): 99.95; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 18.46 Å2; (13)Index of Refraction: 1.389; (14)Molar Refractivity: 33.29 cm3; (15)Molar Volume: 140.6 cm3; (16)Polarizability: 13.19×10-24cm3; (17)Surface Tension: 22.8 dyne/cm; (18)Density: 0.84 g/cm3; (19)Enthalpy of Vaporization: 32.85 kJ/mol; (20)Boiling Point: 103.6 °C at 760 mmHg; (21)Vapour Pressure: 37.1 mmHg at 25°C.
Preparation: This chemical can be prepared by Ethanol and acetaldehyde. The reaction will need catalyst anhydrous calcium chloride.
You should be cautious while dealing with this chemical. It is a kind of highly flammable chemcial which irritates to eyes and skin. Therefore, you had better take the following instructions: Keep container in a well-ventilated place; Keep away from sources of ignition - No smoking; Take precautionary measures against static discharges.
You can still convert the following datas into molecular structure:
(1)SMILES: CCOC(C)OCC
(2)InChI: InChI=1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
(3)InChIKey: DHKHKXVYLBGOIT-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 500mg/kg (500mg/kg) | National Technical Information Service. Vol. AD277-689, | |
mouse | LD50 | oral | 3500mg/kg (3500mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 42(3), Pg. 12, 1977. | |
rabbit | LD50 | oral | 3545mg/kg (3545mg/kg) | Proceedings of the Society for Experimental Biology and Medicine. Vol. 29, Pg. 730, 1932. | |
rat | LCLo | inhalation | 4000ppm/4H (4000ppm) | Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 343, 1949. | |
rat | LD50 | intraperitoneal | 900mg/kg (900mg/kg) | "Industrial Hygiene and Toxicology," 2nd ed., Patty, F.A., ed., New York, John Wiley & Sons, Inc., 1958-63Vol. 2, Pg. 1982, 1963. | |
rat | LD50 | oral | 4600mg/kg (4600mg/kg) | Medizin und Ernaehrung. Vol. 8, Pg. 244, 1967. |