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| CAS No.: | 102-52-3 |
|---|---|
| Name: | 1,1,3,3-Tetramethoxypropane |
| Molecular Structure: | |
|
|
|
| Formula: | C7H16O4 |
| Molecular Weight: | 164.202 |
| Synonyms: | Malonaldehyde,bis(dimethyl acetal) (6CI,7CI,8CI);AI3-28938;Malonaldehyde tetramethyl acetal;NSC 27794;Tetramethoxypropane;Propane, 1,1,3,3-tetramethoxy-; |
| EINECS: | 203-037-2 |
| Density: | 0.964 g/cm3 |
| Boiling Point: | 183 °C at 760 mmHg |
| Flash Point: | 54.4 °C |
| Solubility: | Immiscible with water |
| Appearance: | clear colourless to yellow-brown liquid |
| Hazard Symbols: |
 F
|
| Risk Codes: | 10-36/37/38 |
| Safety: | 16-26-36/37/39 |
| Transport Information: | UN 1993 3/PG 3 |
| PSA: | 36.92000 |
| LogP: | 0.61430 |
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methoxyethene
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trimethyl orthoformate
A
- 102-52-3
malonaldehydebis(dimethylacetal)
B
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1,1,3,5,5-pentamethoxy-pentane
| Conditions | Yield |
|---|---|
| With boron trifluoride diethyl etherate In dichloromethane at -78℃; for 6h; | A 65% B 8% |
- 67-56-1
methanol
- 1165952-92-0
cyclohexa-1,4-diene
A
- 7424-91-1
methyl 3,3-dimethoxypropionate
B
- 102-52-3
malonaldehydebis(dimethylacetal)
C
- 108-59-8
malonic acid dimethyl ester
| Conditions | Yield |
|---|---|
| With hydrogenchloride; ozone -40 deg C, then ca. 30 min reflux; Yields of byproduct given; | A 60% B n/a C n/a |
| With hydrogenchloride; ozone at -40℃; -40 deg C, then ca. 30 min reflux; Yield given; | A 60% B n/a C n/a |
| With hydrogenchloride; ozone at -40℃; Product distribution; | A 60% B n/a C n/a |
| Conditions | Yield |
|---|---|
| With iron(III) chloride; sodium hydrogencarbonate 1) 2 h, reflux; 2) 20 deg C, 2 h; | 36% |
| With iron(III) chloride at 60℃; |
| Conditions | Yield |
|---|---|
| With boron fluoride ether |
- 107-25-5
methoxyethene
- 109-63-7
trifluoroborane diethyl ether
- 149-73-5
trimethyl orthoformate
A
- 123-59-1
1-ethoxy-1,3,3-trimethoxypropane
B
- 102-52-3
malonaldehydebis(dimethylacetal)
| Conditions | Yield |
|---|---|
| With boron fluoride ether | |
| at 84℃; under 37.5038 Torr; for 1h; Reactivity; Gas phase; | |
| With boron trifluoride diethyl etherate Reactivity; Gas phase; | |
| With boron fluoride ether |
| Conditions | Yield |
|---|---|
| (i) N-methylpiperidine, (ii) HCl; Multistep reaction; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 67-56-1
methanol
- 123331-77-1
(Z)-1,1,6,6-Tetramethoxy-3-hexen
A
- 7424-91-1
methyl 3,3-dimethoxypropionate
B
- 102-52-3
malonaldehydebis(dimethylacetal)
| Conditions | Yield |
|---|---|
| With hydrogenchloride; ozone 1.) -40 deg C, 2.) reflux, 1 h; Yield given. Multistep reaction; | |
| With hydrogenchloride; reflux; ozone |
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Chemistry
IUPAC Name: 1,1,3,3-Tetramethoxypropane
Synonyms of 1,1,3,3-Tetramethoxypropane (CAS NO.203-037-2): Malonaldehyde bis(dimethyl acetal) ; Malonaldehyde tetramethyl acetal ; Tetramethoxypropane ; Malonaldehyde, bis(dimethyl acetal) (8CI) ; Propane, 1,1,3,3-tetramethoxy-
CAS NO: 203-037-2
Molecular Formula: C7H16O4
Molecular Weight: 164.20
Molecular Structure: 
EINECS: 203-037-2
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 6
Polar Surface Area: 36.92 Å2
Index of Refraction: 1.401
Molar Refractivity: 41.37 cm3
Molar Volume: 170.2 cm3
Surface Tension: 25.8 dyne/cm
Density: 0.964 g/cm3
Flash Point: 54.4 °C
Enthalpy of Vaporization: 40.21 kJ/mol
Boiling Point: 183 °C at 760 mmHg
Vapour Pressure: 1.08 mmHg at 25°C
Water solubility: Immiscible
Sensitive: Moisture Sensitive
Appearance: 1,1,3,3-Tetramethoxypropane (CAS NO.203-037-2) is clear colourless to yellow-brown liquid.
SMILES: O(C)C(OC)CC(OC)OC
InChI: InChI=1/C7H16O4/c1-8-6(9-2)5-7(10-3)11-4/h6-7H,5H2,1-4H3
InChIKey: XHTYQFMRBQUCPX-UHFFFAOYAP
Std. InChI: InChI=1S/C7H16O4/c1-8-6(9-2)5-7(10-3)11-4/h6-7H,5H2,1-4H3
Std. InChIKey: XHTYQFMRBQUCPX-UHFFFAOYSA-N
Safety Profile
Safety Information of 1,1,3,3-Tetramethoxypropane (CAS NO.203-037-2) :
Hazard Codes: 
F
Risk Statements: 10-36/37/38
R10: Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36/37/39
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1993 3/PG 3
WGK Germany: 1
F: 21
Hazard Note: Irritant
HazardClass: 3
PackingGroup: III
HS Code: 29110000