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| CAS No.: | 641-74-7 |
|---|---|
| Name: | Isomannide |
| Molecular Structure: | |
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| Formula: | C6H10O4 |
| Molecular Weight: | 146.143 |
| Synonyms: | Mannitol,1,4:3,6-dianhydro-, D- (8CI);Furo[3,2-b]furan, D-mannitol deriv.;(+)-Isomannide;1,4:3,6-Dianhydro-D-mannitol;1,4:3,6-Dianhydromannitol;Isomannide;NSC 270938; |
| EINECS: | 211-374-1 |
| Density: | 1.475 g/cm3 |
| Melting Point: | 80-85 °C(lit.) |
| Boiling Point: | 372.053 °C at 760 mmHg |
| Flash Point: | 178.8 °C |
| Solubility: | almost transparency |
| Appearance: | Off White Crystals |
| Safety: | 22-24/25 |
| PSA: | 58.92000 |
| LogP: | -1.49420 |

| Conditions | Yield |
|---|---|
| With 1,8-diazabicyclo[5.4.0]undec-7-ene; carbonic acid dimethyl ester In methanol at 90℃; for 24h; Time; | 92% |
| With hydrogenchloride In water for 60h; Heating; | 72% |
| With cation-exchange resin In 1,4-dioxane; ethyl acetate at 78 - 84℃; for 24h; Heating; | 35% |

| Conditions | Yield |
|---|---|
| With Hβ zeolite at 139.84℃; for 3h; | A 63% B 12% |

D-sorbitol


carbonic acid dimethyl ester

A

1,4:3,6-dianhydro-D-mannitol


C

isosorbide dimethyl ether

| Conditions | Yield |
|---|---|
| With triethylamine In biphenyl at 90 - 200℃; under 63756.4 Torr; for 48h; Reagent/catalyst; Autoclave; Inert atmosphere; | A 14% B 26% C 60% |


mannitol

A

1,4:3,6-dianhydro-D-mannitol

B

1,4-anhydro-D-mannitol

C

2,5-anhydro-D-glucitol

| Conditions | Yield |
|---|---|
| With sulfuric acid at 139.84℃; for 1h; Reagent/catalyst; | A 28% B 11% C 52% |
| With hydrogen fluoride; sodium methylate; acetic acid 1) 45 h, 20 deg C; Yield given. Multistep reaction; | |
| With formic acid; hydrogen fluoride; water 1) 8 min, 20 deg C; Yield given. Multistep reaction; | |
| With hydrogen fluoride; sodium methylate; acetic acid Product distribution; Mechanism; multistep reaction; effect of concentration and time, intermediate acyloxonium ions monitored by 13C-NMR; | |
| With formic acid; hydrogen fluoride; water Product distribution; Mechanism; multistep reaction; effect of concentration and time, intermediate acyloxonium ions monitored by 13C-NMR; |


mannitol

A

1,4:3,6-dianhydro-D-mannitol

B

1,4-anhydro-D-mannitol

C

1,5-anhydro-D-mannitol

D

2,5-anhydro-D-glucitol

| Conditions | Yield |
|---|---|
| In water at 249.84℃; for 36h; Kinetics; Temperature; Time; | A n/a B 25% C 6% D 41% |
| With sulfuric acid In water at 104℃; Product distribution; Rate constant; reaction time dependence; |


mannitol

A

1,4:3,6-dianhydro-D-mannitol

B

1,4-anhydro-D-mannitol

C

2,5-anhydro-D-mannitol

| Conditions | Yield |
|---|---|
| In water at 276.84℃; for 10h; Kinetics; Temperature; | A n/a B n/a C 40.5% |


mannitol


ethyl acetate

A

(3R,6R)-6-hydroxyhexahydrofuro[3,2 b]furan-3-yl acetate

B

1,4:3,6-dianhydro-D-mannitol

| Conditions | Yield |
|---|---|
| With calcium sulfate In 1,4-dioxane at 78 - 84℃; for 120h; Heating; | A 11% B n/a |


| Conditions | Yield |
|---|---|
| With hydrogenchloride |

| Conditions | Yield |
|---|---|
| at 180℃; unter vermindertem Druck; |
The D-Mannitol,1,4:3,6-dianhydro-, with CAS registry number 641-74-7, belongs to the following product categories: (1)Alcohols and Derivatives; (2)Heterocycles. It has the systematic name of 1,4:3,6-dianhydro-D-mannitol. And the chemical formula of this chemical is C6H10O4. When use this chemical, do not breathe dust and avoid contact with skin and eyes.
Physical properties of D-Mannitol,1,4:3,6-dianhydro-: (1)ACD/LogP: -1.19; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 3; (6)ACD/KOC (pH 7.4): 3; (7)#H bond acceptors: 4; (8)#H bond donors: 2; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 58.92 Å2; (11)Index of Refraction: 1.562; (12)Molar Refractivity: 32.114 cm3; (13)Molar Volume: 99.011 cm3; (14)Polarizability: 12.731×10-24cm3; (15)Surface Tension: 56.653 dyne/cm; (16)Enthalpy of Vaporization: 71.639 kJ/mol; (17)Vapour Pressure: 0 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: O[C@H]1[C@H]2OC[C@@H](O)[C@H]2OC1
(2)InChI: InChI=1/C6H10O4/c7-3-1-9-6-4(8)2-10-5(3)6/h3-8H,1-2H2/t3-,4-,5-,6-/m1/s1
(3)InChIKey: KLDXJTOLSGUMSJ-KVTDHHQDBJ
(4)Std. InChI: InChI=1S/C6H10O4/c7-3-1-9-6-4(8)2-10-5(3)6/h3-8H,1-2H2/t3-,4-,5-,6-/m1/s1
(5)Std. InChIKey: KLDXJTOLSGUMSJ-KVTDHHQDSA-N