Product Name

  • Name

    2-N-PENTYLPROPANE-1,3-DIOL

  • EINECS
  • CAS No. 25462-23-1
  • Article Data17
  • CAS DataBase
  • Density 0.938 g/cm3
  • Solubility
  • Melting Point
  • Formula C8H18O2
  • Boiling Point 255.8 °C at 760 mmHg
  • Molecular Weight 146.23
  • Flash Point 117.3 °C
  • Transport Information
  • Appearance
  • Safety 23-36/37/39
  • Risk Codes 20/21-65
  • Molecular Structure Molecular Structure of 25462-23-1 (2-N-PENTYLPROPANE-1,3-DIOL)
  • Hazard Symbols
  • Synonyms 2-Pentyl-1,3-propanediol;
  • PSA 40.46000
  • LogP 1.16750

Synthetic route

diethyl n-pentylmalonate
6065-59-4

diethyl n-pentylmalonate

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether at 20℃; for 3.33333h; Reflux;92%
With lithium aluminium tetrahydride In diethyl ether for 1h; Reduction; Heating;83%
Stage #1: diethyl n-pentylmalonate With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 2h;
Stage #2: With sodium hydroxide; water
82%
formaldehyd
50-00-0

formaldehyd

heptanal
111-71-7

heptanal

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Stage #1: formaldehyd; heptanal; L-proline In N,N-dimethyl-formamide at 20℃;
Stage #2: With sodium tetrahydroborate In methanol at 0℃; Further stages.;
57%
5-bromopentylmalonic acid diethyl ester
1906-95-2

5-bromopentylmalonic acid diethyl ester

A

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

B

(bromo-5 pentyl)-2 propanediol-1,3
115694-04-7

(bromo-5 pentyl)-2 propanediol-1,3

Conditions
ConditionsYield
With lithium aluminium tetrahydride; bromine; sodium carbonate 1.) 10 deg C, 1 h, ether; 2.) water; Yield given. Multistep reaction. Yields of byproduct given;
Acetic acid 2-acetoxymethyl-3-cyclohexyl-propyl ester
110230-66-5

Acetic acid 2-acetoxymethyl-3-cyclohexyl-propyl ester

A

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

B

Acetic acid 2-hydroxymethyl-heptyl ester
138513-51-6

Acetic acid 2-hydroxymethyl-heptyl ester

Conditions
ConditionsYield
In water; isopropyl alcohol pig pancreatic lipase, pH 7 buffer (K2HPO4-KH2PO4);
1-Bromopentane
110-53-2

1-Bromopentane

sodium cyclohexylmalonic acid ester

sodium cyclohexylmalonic acid ester

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / NaOEt / ethanol / 2 h / Heating
2: 83 percent / LiAlH4 / diethyl ether / 1 h / Heating
View Scheme
1-Bromopentane
110-53-2

1-Bromopentane

silver fluoride

silver fluoride

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) Na
2: LiAlH4 / diethyl ether / 18 h / 35 °C
View Scheme
Multi-step reaction with 2 steps
1: NaOEt / ethanol
2: 1, LiAlH4; 2.) dil. HCl / 1.) ether
View Scheme
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

zinc

zinc

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) bromine, sodium / 1.) ethanol, 60 deg C, 1 h; 2.) ether, 0 deg C
2: 1.) bromine, lithium aluminium hydride; 2.) 10percent sodium carbonate / 1.) 10 deg C, 1 h, ether; 2.) water
View Scheme
(E)-1-Acetoxy-2-(acetoxymethyl)-3-cyclohexylidenepropane
133490-88-7

(E)-1-Acetoxy-2-(acetoxymethyl)-3-cyclohexylidenepropane

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87 percent / H2 / 10percent Pd-C / ethanol / Ambient temperature
2: H2O; propan-2-ol / pig pancreatic lipase, pH 7 buffer (K2HPO4-KH2PO4)
View Scheme
diethyl malonate
105-53-3

diethyl malonate

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
With sulfuric acid In sodium-dried diethyl ether; diethyl ether; water
Pentylmalonsaeure-dimethylester
39520-21-3

Pentylmalonsaeure-dimethylester

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran Reflux;
1-Bromopentane
110-53-2

1-Bromopentane

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydride / tetrahydrofuran
2: lithium aluminium tetrahydride / tetrahydrofuran / Reflux
View Scheme
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

1,3-dichloro-2-pentylpropane
1160187-81-4

1,3-dichloro-2-pentylpropane

Conditions
ConditionsYield
With pyridine; p-toluenesulfonyl chloride at 100 - 110℃;85%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

hypochlorous acid 4-methylbenzene sulfonic anhydride
103057-51-8

hypochlorous acid 4-methylbenzene sulfonic anhydride

C22H30O6S2
111241-42-0

C22H30O6S2

Conditions
ConditionsYield
In pyridine for 16h; Ambient temperature;81%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-Carboxybenzaldehyde
619-66-9

4-Carboxybenzaldehyde

4-(5-n-pentyl-trans-1,3-dioxane-2-yl)-benzoic acid
81288-02-0

4-(5-n-pentyl-trans-1,3-dioxane-2-yl)-benzoic acid

Conditions
ConditionsYield
toluene-4-sulfonic acid In benzene80%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2',4',6'-trimethyl-[1,1'-biphenyl]-4-carbaldehyde
106359-72-2

2',4',6'-trimethyl-[1,1'-biphenyl]-4-carbaldehyde

trans-5-pentyl-2-(2’,4’,6’-trimethyl-[1,1’-biphenyl]-4-yl)-1,3-dioxane

trans-5-pentyl-2-(2’,4’,6’-trimethyl-[1,1’-biphenyl]-4-yl)-1,3-dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 120℃; Inert atmosphere;79%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-(hexyloxy)benzaldehyde
5736-94-7

4-(hexyloxy)benzaldehyde

A

2-(4-Hexyloxy-phenyl)-5-pentyl-[1,3]dioxane
74800-59-2

2-(4-Hexyloxy-phenyl)-5-pentyl-[1,3]dioxane

B

2-(4-Hexyloxy-phenyl)-5-pentyl-[1,3]dioxane
81221-08-1

2-(4-Hexyloxy-phenyl)-5-pentyl-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-(n-heptyloxy)benzaldehyde
27893-41-0

4-(n-heptyloxy)benzaldehyde

A

2-(4-Heptyloxy-phenyl)-5-pentyl-[1,3]dioxane
74800-60-5

2-(4-Heptyloxy-phenyl)-5-pentyl-[1,3]dioxane

B

2-(4-Heptyloxy-phenyl)-5-pentyl-[1,3]dioxane
81221-09-2

2-(4-Heptyloxy-phenyl)-5-pentyl-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-nonyloxy-benzaldehyde
50262-46-9

4-nonyloxy-benzaldehyde

A

2-(4-Nonyloxy-phenyl)-5-pentyl-[1,3]dioxane
74800-61-6

2-(4-Nonyloxy-phenyl)-5-pentyl-[1,3]dioxane

B

2-(4-Nonyloxy-phenyl)-5-pentyl-[1,3]dioxane
81221-10-5

2-(4-Nonyloxy-phenyl)-5-pentyl-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-(n-pentyloxy)benzaldehyde
5736-91-4

4-(n-pentyloxy)benzaldehyde

A

5-Pentyl-2-(4-pentyloxy-phenyl)-[1,3]dioxane
74800-58-1

5-Pentyl-2-(4-pentyloxy-phenyl)-[1,3]dioxane

B

5-Pentyl-2-(4-pentyloxy-phenyl)-[1,3]dioxane
81221-07-0

5-Pentyl-2-(4-pentyloxy-phenyl)-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-propoxybenzaldehyde
5736-85-6

4-propoxybenzaldehyde

A

5-Pentyl-2-(4-propoxy-phenyl)-[1,3]dioxane
74800-56-9

5-Pentyl-2-(4-propoxy-phenyl)-[1,3]dioxane

B

5-Pentyl-2-(4-propoxy-phenyl)-[1,3]dioxane
81221-05-8

5-Pentyl-2-(4-propoxy-phenyl)-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

p-butoxybenzaldehyde
5736-88-9

p-butoxybenzaldehyde

A

2-(4-Butoxy-phenyl)-5-pentyl-[1,3]dioxane
74800-57-0

2-(4-Butoxy-phenyl)-5-pentyl-[1,3]dioxane

B

2-(4-Butoxy-phenyl)-5-pentyl-[1,3]dioxane
81221-06-9

2-(4-Butoxy-phenyl)-5-pentyl-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;A 60%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

A

2-(4-bromophenyl)-5-pentyl-1,3-dioxane
156684-80-9

2-(4-bromophenyl)-5-pentyl-1,3-dioxane

B

2-(4-bromo-phenyl)-5-pentyl-[1,3]dioxane

2-(4-bromo-phenyl)-5-pentyl-[1,3]dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 3h; Cycloaddition; Heating;A 50%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2,3-difluoro-4-ethoxy-[trans-4-(2,3-difluorophenoxymethyl)cyclohexyl]benzaldehyde

2,3-difluoro-4-ethoxy-[trans-4-(2,3-difluorophenoxymethyl)cyclohexyl]benzaldehyde

2-(4-((trans-4-(4-ethoxy-2,3-difluorophenyl)cyclohexyl)methoxy)-2,3-difluorophenyl)-5-pentyl-1,3-dioxane

2-(4-((trans-4-(4-ethoxy-2,3-difluorophenyl)cyclohexyl)methoxy)-2,3-difluorophenyl)-5-pentyl-1,3-dioxane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 2h; Reflux;48.3%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

3'-fluoro[1,1'-biphenyl]-4-carbaldehyde
400750-63-2

3'-fluoro[1,1'-biphenyl]-4-carbaldehyde

3-fluoro-4'-(5-n-pentyl-1,3-dioxane-2-yl)-1,1'-biphenyl

3-fluoro-4'-(5-n-pentyl-1,3-dioxane-2-yl)-1,1'-biphenyl

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 2h; Inert atmosphere; Reflux;48%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4-(trans-4-butylcyclohexanecarbonyloxy)benzaldehyde
79285-01-1

4-(trans-4-butylcyclohexanecarbonyloxy)benzaldehyde

4-Butyl-cyclohexanecarboxylic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

4-Butyl-cyclohexanecarboxylic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;45%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Heptanoic acid 4-formylphenyl ester
50262-52-7

Heptanoic acid 4-formylphenyl ester

A

trans-2-(4-Heptanoyloxyphenyl)-5-pentyl-1,3-dioxane

trans-2-(4-Heptanoyloxyphenyl)-5-pentyl-1,3-dioxane

B

cis-2-(4-Heptanoyloxyphenyl)-5-pentyl-1,3-dioksane

cis-2-(4-Heptanoyloxyphenyl)-5-pentyl-1,3-dioksane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating; Yields of byproduct given;A 34%
B n/a
With toluene-4-sulfonic acid In benzene Heating; Yield given; Title compound not separated from byproducts;A 34%
B n/a
4-hydroxybenzotrifluoride
402-45-9

4-hydroxybenzotrifluoride

2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2-(4-trifluoromethyl-phenoxymethyl)-heptan-1-ol
851528-56-8

2-(4-trifluoromethyl-phenoxymethyl)-heptan-1-ol

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 6.5h;31%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Decyl p-formylcinnamate
156144-74-0

Decyl p-formylcinnamate

Decyl p-(5-pentyl-1,3-dioxan-2-yl)cinnamate

Decyl p-(5-pentyl-1,3-dioxan-2-yl)cinnamate

Conditions
ConditionsYield
28%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

4''-(4-ethoxy-2,3,2''-trifluoro-1,1'-terphenyl)carbaldehyde
1130351-42-6

4''-(4-ethoxy-2,3,2''-trifluoro-1,1'-terphenyl)carbaldehyde

1-(4-ethoxy-2,3,2''-trifluoro-1,1'-terphenyl)-trans-4-pentyl-2,6-dioxane

1-(4-ethoxy-2,3,2''-trifluoro-1,1'-terphenyl)-trans-4-pentyl-2,6-dioxane

Conditions
ConditionsYield
toluene-4-sulfonic acid In toluene for 2h; Reflux;24.9%
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2-bromo-pentanoic acid 4-formyl-phenyl ester
220801-73-0

2-bromo-pentanoic acid 4-formyl-phenyl ester

A

2-bromo-pentanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

2-bromo-pentanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

B

2-bromo-pentanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

2-bromo-pentanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating; Yields of byproduct given;A 21%
B n/a
With toluene-4-sulfonic acid In benzene Heating; Yield given; Title compound not separated from byproducts;A 21%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2-chloro-heptanoic acid 4-formyl-phenyl ester
220801-72-9

2-chloro-heptanoic acid 4-formyl-phenyl ester

A

2-chloro-heptanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

2-chloro-heptanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

B

2-chloro-heptanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

2-chloro-heptanoic acid 4-(5-pentyl-[1,3]dioxan-2-yl)-phenyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating; Yields of byproduct given;A 21%
B n/a
With toluene-4-sulfonic acid In benzene Heating; Yield given; Title compound not separated from byproducts;A 21%
B n/a
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

p-cyanocinnamaldehyde
41917-85-5

p-cyanocinnamaldehyde

4-[(E)-2-(5-Pentyl-[1,3]dioxan-2-yl)-vinyl]-benzonitrile
95759-39-0

4-[(E)-2-(5-Pentyl-[1,3]dioxan-2-yl)-vinyl]-benzonitrile

Conditions
ConditionsYield
With CH3C6H4SO3H Yield given;
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

Di-spiro<5.1.5.2>pentadecan-3,7,11-trione
117221-94-0

Di-spiro<5.1.5.2>pentadecan-3,7,11-trione

trans-3,17-Dipentyl-1,5,15,19-tetraoxatetraspiro<5.2.1.2.5.2.2.2>pentacosan-10-on
139564-58-2, 139628-97-0

trans-3,17-Dipentyl-1,5,15,19-tetraoxatetraspiro<5.2.1.2.5.2.2.2>pentacosan-10-on

Conditions
ConditionsYield
With toluene-4-sulfonic acid In chloroform Heating;
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

N-(Dimethoxymethyl)-4-pentylpiperidin
89129-94-2

N-(Dimethoxymethyl)-4-pentylpiperidin

trans-4-Pentyl-1-(trans-5-pentyl-1,3-dioxan-2-yl)-piperidin

trans-4-Pentyl-1-(trans-5-pentyl-1,3-dioxan-2-yl)-piperidin

Conditions
ConditionsYield
at 40℃; for 3h; Yield given;
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2-n-pentyl-3-bromo-1-propanol
95400-56-9

2-n-pentyl-3-bromo-1-propanol

Conditions
ConditionsYield
With hydrogen bromide In sulfuric acid at 70 - 75℃;
With sulfuric acid; hydrogen bromide at 70 - 75℃; for 18h; Yield given;
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

2-n-pentyl-1,3-dibromopropane
89074-70-4

2-n-pentyl-1,3-dibromopropane

Conditions
ConditionsYield
With sulfuric acid; hydrogen bromide at 95 - 100℃; for 18h; Yield given;
2-pentylpropane-1,3-diol
25462-23-1

2-pentylpropane-1,3-diol

terephthalaldehyde,
623-27-8

terephthalaldehyde,

C24H38O4
81221-47-8

C24H38O4

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;

2-Pentylpropane-1,3-diol Specification

The 2-Pentylpropane-1,3-diol, with cas registry number 25462-23-1, belongs to the following product categories: Propanes/propenes. Its systematic name and its IUPAC name are the same, which is 2-pentylpropane-1,3-diol. Besides this, it is also called 1,3-propanediol, 2-pentyl-.

Physical properties about this chemical are: (1)ACD/LogP: 1.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.43; (4)ACD/LogD (pH 7.4): 1.43; (5)ACD/BCF (pH 5.5): 7.23; (6)ACD/BCF (pH 7.4): 7.23; (7)ACD/KOC (pH 5.5): 143.4; (8)ACD/KOC (pH 7.4): 143.4; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 18.46 Å2; (13)Index of Refraction: 1.452; (14)Molar Refractivity: 42.14 cm3; (15)Molar Volume: 155.9 cm3; (16)Polarizability: 16.7×10-24cm3; (17)Surface Tension: 35.7 dyne/cm; (18)Enthalpy of Vaporization: 57.3 kJ/mol; (19)Vapour Pressure: 0.00242 mmHg at 25°C.

Preparation: this chemical can be prepared by pentylmalonic acid diethyl ester. This reaction will need reagent LiAlH4 and diethyl ether. The reaction time is 3 hour(s). 

When you are using this chemical, please be cautious about it as the following:
The 2-Pentylpropane-1,3-diol is harmful by inhalation and in contact with skin. And it may cause lung damage if swallowed. So do not breathe vapour. When use it, wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: OCC(CCCCC)CO
(2)InChI: InChI=1/C8H18O2/c1-2-3-4-5-8(6-9)7-10/h8-10H,2-7H2,1H3
(3)InChIKey: RHYUFGNCUXTFTC-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C8H18O2/c1-2-3-4-5-8(6-9)7-10/h8-10H,2-7H2,1H3
(5)Std. InChIKey: RHYUFGNCUXTFTC-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 360mg/kg (360mg/kg)   Journal of Medicinal Chemistry. Vol. 12, Pg. 462, 1969.

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