1,2-Pentanediol supplier | CasNO.5343-92-0

Name
1,2-Pentanediol
EINECS 226-285-3
CAS No. 5343-92-0
Article Data89
CAS DataBase
Density 0.978 g/cm³
Solubility miscible with water
Melting Point 50.86°C (estimate)
Formula C₅H₁₂O₂
Boiling Point 206 °C at 760 mmHg
Molecular Weight 104.149
Flash Point 104.4 °C
Transport Information
Appearance Clear colourless to slightly yellow oily liquid
Safety 24/25
Risk Codes 36/38
Molecular Structure
Hazard Symbols
Synonyms pentane-1,2-diol;1,2 Pentandiol;
PSA 40.46000
LogP 0.13970

Synthetic route

: 108740-82-5
methyl 2-hydroxyvalerate

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen at 225℃; under 75007.5 Torr; Temperature; Pressure;	99.4%

: 88945-70-4, 115626-59-0, 126372-01-8, 6938-26-7
ethyl 2-hydroxy-n-valerate

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With CuO#NiO; hydrogen at 215℃; under 157516 Torr; Temperature; Pressure;	99.2%

: 1003-14-1
2-pentyloxirane

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With water at 130℃; under 18751.9 Torr;	91.2%
With water at 130℃; under 18751.9 Torr;	90.2%
With water at 130℃; under 18751.9 Torr;	90.2%

: 98-00-0
(2-furyl)methyl alcohol

A: 97-99-4
Tetrahydrofurfuryl alcohol

B: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With 5%PtO2-Al2O3; hydrogen In ethanol at 0 - 5℃; under 750.075 Torr; for 5h;	A 15% B 80%
With hydrogen; 5 % platinum dioxide on gamma-aluminum oxide In ethanol at 0 - 5℃; under 750.075 Torr; for 5h;	A n/a B 80%
With water; hydrogen at 120℃; under 22502.3 Torr; for 4h; chemoselective reaction;

: 617-31-2
2-hydroxyvaleric acid

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen; water-moist catalyst (coating: 8percent Ru and 1percent Re) In water at 190℃; under 187519 Torr; for 14h; Product distribution / selectivity;	72.1%
With hydrogen; 3% Ru 2%Re/C In water at 190℃; under 187519 Torr; for 8h; Product distribution / selectivity;	64.6%

: 98-01-1
furfural

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: furfural With 0.5% Pd/C; hydrogen; acetic acid; scandium tris(trifluoromethanesulfonate) at 100℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 14% B 23% C 62%

...Expand

: 124-38-9
carbon dioxide

: 201230-82-2
carbon monoxide

A: 67-56-1
methanol

B: 71-23-8
propan-1-ol

C: 57-55-6
propylene glycol

D: 626-95-9
1,4-Pentanediol

E: 111-29-5
1 ,5-pentanediol

F: 110-63-4
Butane-1,4-diol

G: 60-29-7
diethyl ether

H: 34557-54-5
methane

I: 64-17-5
ethanol

J: 6032-29-7
(+/-)-2-pentanol

K: 18826-95-4, 107-88-0
1.3-butanediol

L: 5343-92-0
1,2-pentanediol

M: 74-84-0
ethane

N: 74-98-6
propane

O: 115-10-6
Dimethyl ether

P: 540-67-0
ethyl methyl ether

Q: 78-83-1
2-methyl-propan-1-ol

R 2-pentanol: 2-pentanol

S: 71-41-0
pentan-1-ol

T: 3174-67-2
1,3-pentanediol

U: 79-20-9
acetic acid methyl ester

V: 67-63-0
isopropyl alcohol

W: 78-92-2, 15892-23-6
iso-butanol

X: 75-65-0
tert-butyl alcohol

Y: 71-36-3
butan-1-ol

Z: 584-03-2
1,2-dihydroxybutane

Conditions

Conditions	Yield
With hydrogen; Cu/Co/Al at 260 - 320℃; under 45004.5 - 75007.5 Torr; Conversion of starting material;	A 57.5% B n/a C n/a D n/a E n/a F n/a G n/a H n/a I 28.5% J n/a K n/a L n/a M n/a N n/a O n/a P n/a Q n/a R n/a S n/a T n/a U n/a V n/a W n/a X n/a Y n/a Z n/a
With hydrogen; Cu/ZnO/Al2O3 at 285 - 300℃; under 45004.5 - 67506.8 Torr; Conversion of starting material;	A 57.5% B n/a C n/a D n/a E n/a F n/a G n/a H n/a I 28.5% J n/a K n/a L n/a M n/a N n/a O n/a P n/a Q n/a R n/a S n/a T n/a U n/a V n/a W n/a X n/a Y n/a Z n/a

...Expand

: 124-38-9
carbon dioxide

: 201230-82-2
carbon monoxide

A: 67-56-1
methanol

B: 71-23-8
propan-1-ol

C: 57-55-6
propylene glycol

D: 626-95-9
1,4-Pentanediol

E: 111-29-5
1 ,5-pentanediol

F: 110-63-4
Butane-1,4-diol

G: 60-29-7
diethyl ether

H: 64-17-5
ethanol

I: 6032-29-7
(+/-)-2-pentanol

J: 18826-95-4, 107-88-0
1.3-butanediol

K: 5343-92-0
1,2-pentanediol

L: 115-10-6
Dimethyl ether

M: 540-67-0
ethyl methyl ether

N: 78-83-1
2-methyl-propan-1-ol

O: 584-02-1
2-pentanol

P: 71-41-0
pentan-1-ol

Q: 3174-67-2
1,3-pentanediol

R: 79-20-9
acetic acid methyl ester

S: 67-63-0
isopropyl alcohol

T: 78-92-2, 15892-23-6
iso-butanol

U: 75-65-0
tert-butyl alcohol

V: 71-36-3
butan-1-ol

W: 584-03-2
1,2-dihydroxybutane

Conditions

Conditions	Yield
With hydrogen; Zn/Cr/K at 350 - 420℃; under 75007.5 - 135014 Torr; Conversion of starting material;	A 57.5% B n/a C n/a D n/a E n/a F n/a G n/a H 28.5% I n/a J n/a K n/a L n/a M n/a N n/a O n/a P n/a Q n/a R n/a S n/a T n/a U n/a V n/a W n/a

...Expand

: 623-17-6
furfurylacetate

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: furfurylacetate With 5%-palladium/activated carbon; hydrogen; acetic acid at 100℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 24% B 15% C 56%

...Expand

: 98-00-0
(2-furyl)methyl alcohol

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: (2-furyl)methyl alcohol With 0.5 % platinum on carbon; W(OTf)6; hydrogen; acetic acid at 150℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 24% B 12% C 54%
With Cu(50),Zn(50) (X%); hydrogen at 170℃; under 112511 - 187519 Torr; for 2h; Reagent/catalyst; Autoclave;	A 26% B 44.2% C 13%

...Expand

: 13493-97-5
furan-2-ylmethyl formate

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: furan-2-ylmethyl formate With 5%-palladium/activated carbon; hydrogen; acetic acid; scandium tris(trifluoromethanesulfonate) at 100℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 22% B 13% C 53%

...Expand

: 534-22-5
2-methylfuran

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: 2-methylfuran With 0.5% Pd/C; hydrogen; acetic acid; scandium tris(trifluoromethanesulfonate) In propionic acid at 150℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 10% B 11% C 52%

...Expand

: 625-86-5
2,5-dimethylfuran

A: 111-29-5
1 ,5-pentanediol

B: 5343-92-0
1,2-pentanediol

C: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: 2,5-dimethylfuran With 0.5% Pd/C; hydrogen; acetic acid; scandium tris(trifluoromethanesulfonate) In propionic acid at 150℃; under 7600.51 Torr; for 6h; Autoclave; Stage #2: With methanol; water Reagent/catalyst; Temperature; Pressure; Reflux;	A 25% B 12% C 45%

...Expand

: 98-00-0
(2-furyl)methyl alcohol

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen at 160℃; under 60006 Torr; for 10h; Reagent/catalyst; Temperature; Pressure; Autoclave;	41.2%
With platinum(IV) oxide; acetic acid under 3677.5 Torr; Hydrogenation;
With copper chromite Hydrogenation;

: 98-01-1
furfural

A: 109-99-9
tetrahydrofuran

B: 96-47-9
2-methyltetrahydrofuran

C: 97-99-4
Tetrahydrofurfuryl alcohol

D: 534-22-5
2-methylfuran

E: 111-29-5
1 ,5-pentanediol

F: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With 3% Pd/C; hydrogen In isopropyl alcohol at 219.84℃; under 25858.1 Torr; for 40h; Inert atmosphere;	A 41% B 7% C 36% D 6% E 5% F 5%

...Expand

: 98-01-1
furfural

A: 110-00-9
furan

B: 534-22-5
2-methylfuran

C: 98-00-0
(2-furyl)methyl alcohol

D: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen In isopropyl alcohol at 180℃; for 4h; Reagent/catalyst; Time;	A 8.9% B 5.9% C 37.9% D 5.1%

...Expand

: 98-01-1
furfural

A: 96-47-9
2-methyltetrahydrofuran

B: 97-99-4
Tetrahydrofurfuryl alcohol

C: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen In 1,4-dioxane; isopropyl alcohol at 200℃; under 48754.9 Torr; for 6h;	A 35% B 32% C 12%

...Expand

: 98-01-1
furfural

A: 534-22-5
2-methylfuran

B: 98-00-0
(2-furyl)methyl alcohol

C: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen In isopropyl alcohol at 180℃; for 6h;	A 7.4% B 32.4% C 6.7%

...Expand

: 98-01-1
furfural

A: 109-99-9
tetrahydrofuran

B: 96-47-9
2-methyltetrahydrofuran

C: 97-99-4
Tetrahydrofurfuryl alcohol

D: 534-22-5
2-methylfuran

E: 98-00-0
(2-furyl)methyl alcohol

F: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With 3% Pd/C; hydrogen In isopropyl alcohol at 219.84℃; under 25858.1 Torr; for 5h; Kinetics; Catalytic behavior; Concentration; Pressure; Temperature; Reagent/catalyst; Inert atmosphere;	A 20% B 18% C 32% D 10% E 12% F 8%

...Expand

: 98-00-0
(2-furyl)methyl alcohol

A: 97-99-4
Tetrahydrofurfuryl alcohol

B: 534-22-5
2-methylfuran

C: 111-29-5
1 ,5-pentanediol

D: 5343-92-0
1,2-pentanediol

E: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
With Cu(50),Zn(50) (X%); hydrogen at 170℃; under 112511 - 187519 Torr; for 2h; Reagent/catalyst; Autoclave;	A 7% B 26.6% C 10.3% D 32% E 14%

...Expand

: 98-01-1
furfural

A: 96-47-9
2-methyltetrahydrofuran

B: 97-99-4
Tetrahydrofurfuryl alcohol

C: 534-22-5
2-methylfuran

D: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen In 1,4-dioxane; isopropyl alcohol at 200℃; under 48754.9 Torr; for 6h; Reagent/catalyst;	A 15% B 14% C 26% D 9%

...Expand

: 98-01-1
furfural

A: 97-99-4
Tetrahydrofurfuryl alcohol

B: 111-29-5
1 ,5-pentanediol

C: 6032-29-7
(+/-)-2-pentanol

D: 5343-92-0
1,2-pentanediol

E: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
With hydrogen In isopropyl alcohol at 170℃; under 15001.5 Torr; for 8h; Autoclave;	A 20.8% B 14.4% C n/a D 8.7% E n/a

...Expand

: 98-00-0
(2-furyl)methyl alcohol

A: 97-99-4
Tetrahydrofurfuryl alcohol

B: 6032-29-7
(+/-)-2-pentanol

C: 5343-92-0
1,2-pentanediol

D: 71-41-0
pentan-1-ol

Conditions

Conditions	Yield
Stage #1: (2-furyl)methyl alcohol With platinum(IV) oxide; hydrogen; acetic acid at 0 - 5℃; under 750.075 Torr; for 10h; Stage #2: With sodium methylate In tert-butyl methyl ether Stage #3: With hydrogenchloride In water	A n/a B n/a C 20% D n/a
With platinum(IV) oxide; hydrogen In acetic acid at 0 - 5℃; under 750.075 Torr; for 10h;	A n/a B n/a C 20% D n/a

...Expand

: 98-01-1
furfural

A: 97-99-4
Tetrahydrofurfuryl alcohol

B: 534-22-5
2-methylfuran

C: 98-00-0
(2-furyl)methyl alcohol

D: 5343-92-0
1,2-pentanediol

E: 108-29-2
5-methyl-dihydro-furan-2-one

Conditions

Conditions	Yield
With hydrogen at 200℃; under 760.051 Torr; for 24h; Reagent/catalyst; Temperature;	A n/a B n/a C 14.4% D n/a E n/a

...Expand

: 98-01-1
furfural

A: 109-99-9
tetrahydrofuran

B: 96-47-9
2-methyltetrahydrofuran

C: 97-99-4
Tetrahydrofurfuryl alcohol

D: 96-48-0
4-butanolide

E: 626-95-9
1,4-Pentanediol

F: 5343-92-0
1,2-pentanediol

G: 71-41-0
pentan-1-ol

H: 96-41-3
Cyclopentanol

I: 123-76-2
levulinic acid

J: 120-92-3
cyclopentanone

K: 108-29-2
5-methyl-dihydro-furan-2-one

Conditions

Conditions	Yield
With hydrogen; ruthenium at 150 - 300℃; for 0 - 4h; Product distribution / selectivity;	A 12% B 3% C 4% D n/a E 2% F n/a G n/a H n/a I n/a J 12% K 5%
With hydrogen; palladium at 200 - 300℃; for 4h; Product distribution / selectivity;

...Expand

: 98-01-1
furfural

A: 98-00-0
(2-furyl)methyl alcohol

B: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With hydrogen In isopropyl alcohol at 180℃; under 18751.9 Torr; for 1h;	A 7.5% B 5.2%
With hydrogen In methanol at 160℃; under 22801.5 Torr; for 8h; Catalytic behavior; Pressure; Reagent/catalyst; Solvent; Temperature; Autoclave;

: 98-01-1
furfural

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With ethanol; platinum; iron(II) chloride under 760 - 1520 Torr; Hydrogenation;
With nickel at 200 - 220℃; under 29420.3 Torr; Hydrogenation;

: 109-67-1
1-penten

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
With dichloromethane; trifluoroacetyl peroxide; triethylamine triflouroacetate Erwaermen des Reaktionsprodukts mit Chlorwasserstoff enthaltendem Methanol.;
(i) aq. H2O2, AcOH, (ii) (saponification); Multistep reaction;
With dihydrogen peroxide; osmium(VIII) oxide

: 151-50-8
potassium cyanide

: 123-72-8
butyraldehyde

: 5343-92-0
1,2-pentanediol

Conditions

Conditions	Yield
(i) H2O, (ii) H(+), EtOH, (iii) LiAlH4, Et2O; Multistep reaction;

: 615-79-2
ethyl 2,4-diketopentanoate

A: 626-95-9
1,4-Pentanediol

B: 5343-92-0
1,2-pentanediol

C: 62946-61-6
trans-1,2-dihydroxy-3-pentene

D: 25073-25-0
trans-2-pentene-1,4-diol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In diethyl ether at 0 - 5℃; for 3h;

...Expand

: 5343-92-0
1,2-pentanediol

: 58479-61-1
tert-butylchlorodiphenylsilane

: 139167-16-1
1-(tert-butyldiphenylsiloxy)-2-pentanol

Conditions

Conditions	Yield
With dmap; triethylamine In dichloromethane at 0℃; for 10h;	99%

: 280-57-9
1,4-diaza-bicyclo[2.2.2]octane

: zinc(II) nitrate hexahydrate

: 5343-92-0
1,2-pentanediol

: 121-91-5
isophthalic acid

: 12Zn(2+)*6C8H4O4(2-)*3C6H12N2*6C5H10O2(2-)

Conditions

Conditions	Yield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; zinc(II) nitrate hexahydrate; isophthalic acid In N,N-dimethyl-formamide for 1h; Stage #2: 1,2-pentanediol In N,N-dimethyl-formamide at 130℃; for 48h;	99%

...Expand

: 5343-92-0
1,2-pentanediol

: 616-38-6
carbonic acid dimethyl ester

: 4-propyl-1,3-dioxolan-2-one

Conditions

Conditions	Yield
With dicobalt octacarbonyl at 180℃; for 1h;	98%

: 5343-92-0
1,2-pentanediol

: 105-58-8
Diethyl carbonate

: 4-propyl-1,3-dioxolan-2-one

Conditions

Conditions	Yield
With MgLa mixed oxide at 125℃; for 1h;	97%

: 280-57-9
1,4-diaza-bicyclo[2.2.2]octane

: 4282-31-9
Thiophene-2,5-dicarboxylic acid

: zinc(II) nitrate hexahydrate

: 5343-92-0
1,2-pentanediol

: [Zn12(thiophene-2,5-dicarboxylic acid)6(1,2-pentanediol)6(1,4-diaza-bicyclo[2.2.2]octane)3]

Conditions

Conditions	Yield
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; Thiophene-2,5-dicarboxylic acid; zinc(II) nitrate hexahydrate In N,N-dimethyl-formamide for 1h; Stage #2: 1,2-pentanediol In N,N-dimethyl-formamide at 130℃; for 48h; Sealed tube;	96%

...Expand

: 5343-92-0
1,2-pentanediol

: 29117-54-2
(S)-(-)-1,2-pentanediol

Conditions

Conditions	Yield
for 26h; Candida parapsilosis IFO 0708, culture medium, glucose, pH 6.5;	93%
for 26h; Product distribution; Mechanism; microbial reaction using Candida parapsilosis, culture medium, glucose at pH 6.5; also with other microorganisms;	93%

: 5343-92-0
1,2-pentanediol

: 6609-64-9
2-Chloro-2-oxo-1,3,2-dioxaphospholane

: C9H18O8P2

Conditions

Conditions	Yield
Stage #1: 1,2-pentanediol In dichloromethane at 20℃; for 0.5h; Stage #2: 2-Chloro-2-oxo-1,3,2-dioxaphospholane In dichloromethane at 0 - 20℃; for 12h;	92%

: 5343-92-0
1,2-pentanediol

: 822-39-9
2-chloro-1,3,2-dioxaphospholan

: C9H18O6P2

Conditions

Conditions	Yield
In dichloromethane at 0 - 20℃; for 12h;	92%

: 5343-92-0
1,2-pentanediol

: 2631-72-3
2,4-dichlorophenacyl bromide

: 2-(bromomethyl)-2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolane

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In toluene for 4h; Reflux;	91.65%

: 5343-92-0
1,2-pentanediol

: 74-88-4
methyl iodide

: 53892-32-3
1-methoxy-2-pentanol

Conditions

Conditions	Yield
With iron(III) perchlorate In dichloromethane at 20℃; for 1.2h;	91%

: 5343-92-0
1,2-pentanediol

: (4,6-dichloro-[1,3,5]triazin-2-yloxymethylene)-dimethyl-ammonium; fluoride

A: 126775-66-4
formic acid 3-hydroxypentyl ester

B: 15791-08-9
4,6-dichloro-2-hydroxy-1,3,5-triazine

Conditions

Conditions	Yield
In dichloromethane at 25℃; for 0.25h;	A 88% B n/a

...Expand

: 5343-92-0
1,2-pentanediol

: 617-31-2
2-hydroxyvaleric acid

Conditions

Conditions	Yield
With C24H33IrN4O3; water; sodium carbonate for 18h; Reflux;	88%
With recombinant alditol oxidase from Streptomyces coelicolor A3(2); catalase from bovine liver at 25℃; pH=7.5; Kinetics; Reagent/catalyst; Temperature; pH-value; aq. phosphate buffer; Enzymatic reaction; regioselective reaction;

: 5343-92-0
1,2-pentanediol

: 100-44-7
benzyl chloride

: 831-93-6
1-(benzyloxy)pentan-2-ol

Conditions

Conditions	Yield
With iron(III) perchlorate at 100℃; for 24h; neat (no solvent);	87%
With copper diacetate at 80℃; for 12h;	12.58%

: 5343-92-0
1,2-pentanediol

: 124-38-9
carbon dioxide

: 4-propyl-1,3-dioxolan-2-one

Conditions

Conditions	Yield
With 1,10-Phenanthroline; calcium carbide; zinc trifluoromethanesulfonate In 1-methyl-pyrrolidin-2-one at 180℃; under 37503.8 Torr; for 24h; Autoclave; Glovebox; Sealed tube;	87%
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 2-methyl-but-3-yn-2-ol In N,N-dimethyl-formamide at 120℃; under 22502.3 Torr; for 10h; Autoclave;	> 99 %Chromat.
With tetraethylammonium iodide In acetonitrile at 20℃; under 760.051 Torr; Electrolysis;	57.8 %Chromat.

: 5343-92-0
1,2-pentanediol

: 165108-64-5
4-propyl-1,3,2-dioxathiolane 2,2-dioxide

Conditions

Conditions	Yield
Stage #1: 1,2-pentanediol With sodium hydride In tetrahydrofuran for 10h; Inert atmosphere; Reflux; Stage #2: With fluorosulfonyl fluoride In tetrahydrofuran at -10 - 0℃; for 2h; Autoclave; Inert atmosphere;	85.1%
Stage #1: 1,2-pentanediol With fluorosulfonyl fluoride; tetra(n-butyl)ammonium hydrogensulfate; triethylamine; calcium oxide In toluene at 0 - 5℃; for 2h; Inert atmosphere; Stage #2: With 15-crown-5; 18-crown-6 ether In toluene Reflux;	71.9%
Stage #1: 1,2-pentanediol With thionyl chloride In tetrachloromethane for 0.5h; Heating; Stage #2: With ruthenium trichloride; sodium periodate In acetonitrile at 0 - 20℃; for 1.25h;
With sulfuryl dichloride

: 5343-92-0
1,2-pentanediol

: C14H12I(1+)*C2F3O2(1-)

: 1-(((R)-2'-iodo-6,6'-dimethyl-[1,1'-biphenyl]-2-yl)oxy)pentan-2-ol

Conditions

Conditions	Yield
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; diastereoselective reaction;	85%

: 5343-92-0
1,2-pentanediol

: 18162-48-6
tert-butyldimethylsilyl chloride

: 1-((tert-butyldimethylsilyl)oxy)pentan-2-ol

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine In diethyl ether at 0 - 20℃; Inert atmosphere;	82%

: 5343-92-0
1,2-pentanediol

: 95-54-5
1,2-diamino-benzene

: 81516-60-1
2-(1-propyl)quinoxaline

Conditions

Conditions	Yield
In diethylene glycol dimethyl ether at 140℃; for 24h;	80%
With potassium hydroxide In toluene at 130℃; for 24h; Inert atmosphere;	75%
With bromopentacarbonylmanganese(I); N,N,N',N'',N'''-pentamethyldiethylenetriamine; potassium tert-butylate In toluene at 130℃; for 36h; Sealed tube; Inert atmosphere; Schlenk technique;	73%

: 5343-92-0
1,2-pentanediol

: 108-24-7
acetic anhydride

: 81947-72-0, 155667-35-9, 155667-36-0
1,2-diacetoxypentane

Conditions

Conditions	Yield
With sulfuric acid for 0.25h; Heating;	78%

: 110-87-2
3,4-dihydro-2H-pyran

: 5343-92-0
1,2-pentanediol

: C15H28O4

Conditions

Conditions	Yield
With indium(III) triflate In dichloromethane at 0℃; for 0.833333h;	75%

: 5343-92-0
1,2-pentanediol

A: 504-60-9
penta-1,3-diene

B pentanal: pentanal

C: 2-butyl-4-propyl-1,3-dioxolane

Conditions

Conditions	Yield
With tungsten trioxide on silica; hydrogen In water at 250℃; for 5h; Concentration; Temperature; Inert atmosphere;	A 19.9% B 72% C 8.6%

...Expand

: 590-28-3
potassium cyanate

: 5343-92-0
1,2-pentanediol

: 112-89-0
1-Bromooctadecane

: 130399-54-1
Octadecyl-carbamic acid 2-hydroxy-pentyl ester

Conditions

Conditions	Yield
tetrabutylammomium bromide In acetonitrile at 100℃; for 22h; Product distribution; analogous reaction without phase-transfer catalyst;	71%

...Expand

: 5343-92-0
1,2-pentanediol

: 1079-66-9
chloro-diphenylphosphine

: 134920-72-2
1,2-Bis(diphenylphosphinoxy)pentan

Conditions

Conditions	Yield
With pyridine In diethyl ether at 20℃; for 4h;	68%

: 5343-92-0
1,2-pentanediol

: 371-27-7
2,2,2-trifluoroethylbutyrate

: 2-Hydroxypentyl butyrate

Conditions

Conditions	Yield
In acetone at 42 - 45℃; porcine pancreas lipase;	65%

1,2-Pentanediol Chemical Properties

IUPAC Name: Pentane-1,2-diol
Molecular Formula: C₅H₁₂O₂Molecular Weight: 104.15g/mol
EINECS: 226-285-3
Density: 0.978 g/cm³
Flash Point: 104.4 °C
Freely Rotating Bonds: 5
Index of Refraction: 1.443
Molar Refractivity: 28.24 cm³
Molar Volume: 106.4 cm³
Polarizability: 11.19 ×10^-24cm³
Surface Tension: 36.6 dyne/cm
Boiling Point: 206 °C at 760 mmHg
Enthalpy of Vaporization: 51.45 kJ/mol
Vapour Pressure: 0.0575 mmHg at 25 °C
Appearance: pure colorless to light yellow liquid
Solubility : soluble in alcohol, ether and ethyl acetate and other organic solvent
1,2-Pentanediol , its cas register number is 5343-92-0. The chemical synonyms of 1,2-Pentanediol (CAS NO.5343-92-0) are Pentane-1,2-diol . Its product categories are Alcohols ; Monomers ; Polymer Science ; Organic Building Blocks ; Oxygen Compounds ; Polyols . The structure of 1,2-Pentanediol (CAS NO.5343-92-0) is

1,2-Pentanediol Uses

1,2-Pentanediol (CAS NO.5343-92-0) can be used as fungicide propiconazole intermediate.

1,2-Pentanediol Safety Profile

Risk Statements: 36/38
36/38: Irritating to eyes and skin
Safety Statements: 24/25
24/25: Avoid contact with skin and eyes
WGK Germany: 1
RTECS: SA0455000
F: 3

Product Name

1,2-Pentanediol

Synthetic route

1,2-Pentanediol Chemical Properties

1,2-Pentanediol Uses

1,2-Pentanediol Safety Profile

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