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| CAS No.: | 627-82-7 |
|---|---|
| Name: | DIGLYCEROL |
| Article Data: | 44 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H14O5 |
| Molecular Weight: | 166.174 |
| Synonyms: | Tetrahydroxydi-n-propyl ether; |
| EINECS: | 211-013-8 |
| Density: | 1.332 g/cm3 |
| Melting Point: | 319 °C |
| Boiling Point: | 407 °C at 760 mmHg |
| Flash Point: | 200 °C |
| Appearance: | yellow viscous liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 90.15000 |
| LogP: | -1.59540 |
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- 627-82-7
diglycerol
| Conditions | Yield |
|---|---|
| With water; potassium carbonate In methanol for 2h; Reflux; | 99% |
| With water; potassium carbonate In methanol at 90℃; for 2h; | 81% |
- 56-81-5
glycerol
A
- 5464-28-8
1,3-dioxolane-4-methanol
B
- 4740-78-7
glycerol formal
C
- 79-14-1
glycolic Acid
D
- 623-50-7
ethyl 2-hydroxyacetate
E
- 627-82-7
diglycerol
F
- 556-52-5
oxiranyl-methanol
G
- 116-09-6
hydroxy-2-propanone
H
- 107-02-8
acrolein
| Conditions | Yield |
|---|---|
| With pretreated aluminium vanadium phosphate In water at 280℃; under 760.051 Torr; Catalytic behavior; Activation energy; Reagent/catalyst; Temperature; | A n/a B n/a C n/a D n/a E n/a F n/a G n/a H 62% |
| Conditions | Yield |
|---|---|
| With lithium hydroxide In neat (no solvent) at 240℃; under 760.051 Torr; for 1.5h; Inert atmosphere; Overall yield = 40 %; | A 45% B n/a C n/a |
| With 10 wtpercent Li-10 wtpercent Mg in SBA-15 support In neat (no solvent) at 240℃; under 760.051 Torr; for 14h; Time; Inert atmosphere; | |
| With 10 wtpercent Li-10 wtpercent Mg in SBA-15 support In neat (no solvent) at 240℃; under 760.051 Torr; for 18h; Time; Inert atmosphere; Overall yield = 63 %; |
- 56-81-5
glycerol
A
- 20411-31-8
triglycerin
B
- 627-82-7
diglycerol
C
- 100450-00-8
2,4-bis(hydroxymethyl)-3-oxapentane-1,5-diol
| Conditions | Yield |
|---|---|
| With 20% Ca1.6La0.6/MCM-41 at 250℃; under 760.051 Torr; for 2h; Dean-Stark; Inert atmosphere; | A n/a B 43% C 16% D 41% |
| With 20% Ca1.6La0.6/MCM-41 at 250℃; under 760.051 Torr; for 8h; Reagent/catalyst; Temperature; Time; Dean-Stark; Inert atmosphere; | A 25% B n/a C n/a D n/a |
| Conditions | Yield |
|---|---|
| 25% | |
| With calcium oxide at 140℃; im Vakuum, Einleiten von CO2 in das wasserfreie Gemisch bei derselben Temperatur und Erhitzen des Reaktionsprodukts auf 200grad; |
- 56-81-5
glycerol
A
- 14236-12-5
2,5-Bis(hydroxymethyl)-1,4-dioxane
C
- 20411-31-8
triglycerin
D
- 627-82-7
diglycerol
E
- 21872-45-7
4,8,12-trioxapentadecane-1,2,6,10,14,15-hexaol
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide at 250℃; for 6h; Reagent/catalyst; Time; | A n/a B n/a C 5.95% D 19.55% E n/a |
| Conditions | Yield |
|---|---|
| With Peroxyformic acid at 40℃; | |
| With calcium hypochlorite; water und Verseifen des entstandenen Dichlorhydrins mit Natriumdicarbonat-Loesung bei 140 - 160grad unter Druck; | |
| With potassium permanganate at 2 - 5℃; | |
| With AD-mix (K2OsO2(OH)4, K3Fe(CN)6, (DHQ)2-AQN as ligand) for 96h; |
| Conditions | Yield |
|---|---|
| die Mononatriumverbindung reagiert; |
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Specification
The 1, 2-Propanediol, 3, 3'-oxybis-, with the CAS registry number of 627-82-7, has the systematic name 3,3'-oxydipropane-1,2-diol. Its molecular formula is C6H14O5 and EINECS is 211-013-8. However, it should be stored in a dry, cool and airtight place. Keep it away from the oxides. Otherwise it's soluble in water and ethanol, insoluble in ether. It's easy to absorb water. What's more, it could be obtained by the the reaction of allyl alcohol and acetone.
Physical properties about 1, 2-Propanediol, 3, 3'-oxybis- are: (1)ACD/LogP: -2.61; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.61; (4)ACD/LogD (pH 7.4): -2.61; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 5; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 10; (12)Polar Surface Area: 46.15 Å2; (13)Index of Refraction: 1.515; (14)Molar Refractivity: 37.64 cm3; (15)Molar Volume: 124.7 cm3; (16)Polarizability: 14.92×10-24cm3; (17)Surface Tension: 63.6 dyne/cm; (18)Density: 1.332 g/cm3; (19)Flash Point: 200 °C; (20)Enthalpy of Vaporization: 76.14 kJ/mol; (21)Boiling Point: 407 °C at 760 mmHg; (22)Vapour Pressure: 2.53E-08 mmHg at 25°C.
Uses 1, 2-Propanediol, 3, 3'-oxybis-: Its molecule contains four hydroxyl groups and it's a kind of esterification, etherification reaction organic synthesis intermediates. It's mainly used for the preparation of fatty acid esters. Besides, it's also used as emulsifier and defoamer.
When you are using this chemical, please be cautious about it as the following: As this chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1) SMILES: OCC(O)COCC(O)CO
(2) InChI: InChI=1/C6H14O5/c7-1-5(9)3-11-4-6(10)2-8/h5-10H,1-4H2
(3) InChIKey: GPLRAVKSCUXZTP-UHFFFAOYAD