Product Name

  • Name

    1,5-Dibromopentane

  • EINECS 203-849-7
  • CAS No. 111-24-0
  • Article Data40
  • CAS DataBase
  • Density 1.673 g/cm3
  • Solubility insoluble in water
  • Melting Point -34 °C(lit.)
  • Formula C5H10Br2
  • Boiling Point 224.5 °C at 760 mmHg
  • Molecular Weight 229.942
  • Flash Point 94.7 °C
  • Transport Information
  • Appearance clear colorless to yellow-brownish liquid
  • Safety 23-26-36-37/39
  • Risk Codes 36/38-22
  • Molecular Structure Molecular Structure of 111-24-0 (1,5-Dibromopentane)
  • Hazard Symbols IrritantXi,HarmfulXn
  • Synonyms 4-01-00-00314 (Beilstein Handbook Reference);Pentane, 1,5-dibromo-;Pentane, 1, 5-dibromo-;Pentane,1,5-dibromo-;Pentamethylene bromide;Pentamethylene dibromide;1,5-Dibromopentane / Pentamethylene Dibromide;
  • PSA 0.00000
  • LogP 2.94650

Synthetic route

bromopentene
1119-51-3

bromopentene

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); hydrogen bromide In toluene at 0℃; for 2h; Reagent/catalyst; Solvent;92%
{η5-(C5H5)Ru(CO)2}{μ-(CH2)5}

{η5-(C5H5)Ru(CO)2}{μ-(CH2)5}

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

bromodicarbonyl(η5-cyclopentadienyl)ruthenium

bromodicarbonyl(η5-cyclopentadienyl)ruthenium

Conditions
ConditionsYield
With bromine In tetrahydrofuran under N2, stirred at room temp. for 10 min; solvent removed under reduced pressure, residue dissolved (CH2Cl2), chromy. (alumina, hexane, CH2Cl2);A >90
B 91%
1 ,5-pentanediol
111-29-5

1 ,5-pentanediol

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With hydrogen bromide In octane; water at 148 - 150℃; for 6h; Temperature; Dean-Stark;88%
With sulfuric acid; water; hydrogen bromide
With hydrogen bromide
With hydrogen bromide at 80 - 90℃;
With 2,6-dimethylpyridine; carbon tetrabromide In N,N-dimethyl-formamide at 23 - 35℃; for 6h; UV-irradiation;96 %Spectr.
1 ,5-pentanediol
111-29-5

1 ,5-pentanediol

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

5-bromopentan-1-ol
34626-51-2

5-bromopentan-1-ol

Conditions
ConditionsYield
With hydrogen bromide In toluene for 9h; Substitution; Heating;A n/a
B 81%
TETRAHYDROPYRANE
142-68-7

TETRAHYDROPYRANE

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With 1,2-dibromo-1,1,2,2-tetrachloroethane; triphenylphosphine In dichloromethane at 20℃; for 0.15h; Appel Halogenation;80%
With sulfuric acid; hydrogen bromide for 3h; Heating;79%
With trimethylsilyl bromide; iodine(I) bromide for 2h; Heating;71%
TETRAHYDROPYRANE
142-68-7

TETRAHYDROPYRANE

acetic anhydride
108-24-7

acetic anhydride

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

5-bromo-1-pentanyl acetate
15848-22-3

5-bromo-1-pentanyl acetate

Conditions
ConditionsYield
With hydrogen bromide
N-benzoylpiperidine
776-75-0

N-benzoylpiperidine

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

N-benzoylpiperidine
776-75-0

N-benzoylpiperidine

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

benzonitrile
100-47-0

benzonitrile

Conditions
ConditionsYield
With phosphorus pentabromide Destillation des Produkts unter vermindertem Druck;
With phosphorus pentabromide anschliessend Behandeln mit Wasser;
With bromine; phosphorus tribromide 1.) from 24 deg C to 34 deg C, 2.) reflux, 2 h; Yield given. Multistep reaction;
With phosphorus pentabromide anschliessend Behandeln mit Wasser;
1-bromo-1-phenyl-1λ5-arsinane-1-carbonitrile

1-bromo-1-phenyl-1λ5-arsinane-1-carbonitrile

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
beim Leiten von Bromdampf ueber die Schmelze;
1,5-diphenoxypentane
40339-96-6

1,5-diphenoxypentane

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With hydrogen bromide at 170℃;
diethyl ether
60-29-7

diethyl ether

pentamethylenebis(magnesium bromide)
23708-48-7

pentamethylenebis(magnesium bromide)

2-bromoallyl bromide
513-31-5

2-bromoallyl bromide

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

2,10-dibromo-undeca-1,10-diene
91329-94-1

2,10-dibromo-undeca-1,10-diene

C

2-bromo-1-octene
13249-60-0

2-bromo-1-octene

D

7-bromo-oct-7-en-1-ol

7-bromo-oct-7-en-1-ol

Conditions
ConditionsYield
Produkt5: 2.15-Dibrom-hexadecadien-(1.15);
ethene
74-85-1

ethene

1,2-dibromomethane
74-95-3

1,2-dibromomethane

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With dibenzoyl peroxide at 100℃; under 228007 - 257428 Torr;
N-benzoylpiperidine
776-75-0

N-benzoylpiperidine

phosphorus pentabromide
7789-69-7

phosphorus pentabromide

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

benzonitrile
100-47-0

benzonitrile

Conditions
ConditionsYield
beim Destillieren des Reaktionsprodukts;
beim Destillieren des Reaktionsprodukts;
pentamethylene glycol-diisopentyl ether

pentamethylene glycol-diisopentyl ether

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
With hydrogen bromide; acetic acid at 100℃; im Rohr;
ethene
74-85-1

ethene

water
7732-18-5

water

1,2-dibromomethane
74-95-3

1,2-dibromomethane

dibenzoyl peroxide
94-36-0

dibenzoyl peroxide

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

1,3-dibromo-propane
109-64-8

1,3-dibromo-propane

C

telomer(ic)

telomer(ic)

Conditions
ConditionsYield
at 100℃; under 228007 - 257428 Torr;
1,4-bis-isopentyloxy-pentane

1,4-bis-isopentyloxy-pentane

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetic acid
64-19-7

acetic acid

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
at 100℃;
5-chloro-pentanol-(1)-acetate

5-chloro-pentanol-(1)-acetate

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

1-bromo-5-chloropentane
54512-75-3

1-bromo-5-chloropentane

Conditions
ConditionsYield
With sulfuric acid; hydrogen bromide
1,5-diphenoxypentane
40339-96-6

1,5-diphenoxypentane

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
at 170℃; im geschlossenen Rohr;
1-(5-bromo-pentyl)-tetrahydro-telluropyranium; bromide

1-(5-bromo-pentyl)-tetrahydro-telluropyranium; bromide

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

pentamethylenetelluride

pentamethylenetelluride

Conditions
ConditionsYield
at 160 - 190℃; under 25 - 30 Torr;
1,5-pentanedioic acid
110-94-1

1,5-pentanedioic acid

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: concentrated sulfuric acid
2: sodium; alcohol
3: hydrogen bromide / 80 - 90 °C
View Scheme
1,5-diaminopentane
462-94-2

1,5-diaminopentane

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: nitrous acid
2: hydrobromic acid
View Scheme
Diethyl glutarate
818-38-2

Diethyl glutarate

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium; alcohol
2: hydrogen bromide / 80 - 90 °C
View Scheme
trans-[4-(5-Bromo-pentyloxy)-cyclohexyl]-carbamic acid benzyl ester

trans-[4-(5-Bromo-pentyloxy)-cyclohexyl]-carbamic acid benzyl ester

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

(trans)-(4-hydroxy-cyclohexyl)-carbamic acid benzyl ester
27489-63-0, 149423-75-6, 16801-62-0

(trans)-(4-hydroxy-cyclohexyl)-carbamic acid benzyl ester

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

aniline
62-53-3

aniline

N-phenyl piperidine
4096-20-2

N-phenyl piperidine

Conditions
ConditionsYield
With sodium dodecyl-sulfate; sodium hydrogencarbonate In water at 80℃; for 1h; Inert atmosphere;100%
With potassium carbonate In water at 120℃; for 0.333333h; microwave irradiation;96%
With potassium carbonate In water at 120℃; for 0.333333h; microwave irradiation;96%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

(3aR,4S,7R,7aS)‑4,7‑methylene‑1H‑isoindole‑1,3(2H)-dione
14805-29-9

(3aR,4S,7R,7aS)‑4,7‑methylene‑1H‑isoindole‑1,3(2H)-dione

N-(4-Bromopentyl)bicyclo<2.2.1>heptane-2,3-di-exo-carboximide
138274-10-9

N-(4-Bromopentyl)bicyclo<2.2.1>heptane-2,3-di-exo-carboximide

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;100%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2-methoxymethyl-4-methylpyrimidine
200052-17-1

6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2-methoxymethyl-4-methylpyrimidine

1-(5-bromopent-1-yl)-6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2-methoxymethyl-4-methylpyrimidine
200052-18-2, 200052-20-6

1-(5-bromopent-1-yl)-6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2-methoxymethyl-4-methylpyrimidine

Conditions
ConditionsYield
Stage #1: 6-(3,4-difluorophenyl)-1,6-dihydro-5-methoxycarbonyl-2-methoxymethyl-4-methylpyrimidine With sodium hydride In tetrahydrofuran for 0.333333h; Metallation;
Stage #2: 1,5-dibromo-pentane In tetrahydrofuran Alkylation; Heating;
100%
With NaH In tetrahydrofuran; mineral oil
With NaH In tetrahydrofuran; mineral oil
pyridine-2-acetonitrile
2739-97-1

pyridine-2-acetonitrile

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1-(pyridin-2-yl)cyclohexanecarbonitrile

1-(pyridin-2-yl)cyclohexanecarbonitrile

Conditions
ConditionsYield
With sodium hydride In diethyl ether; dimethyl sulfoxide; mineral oil at 15 - 20℃; for 25h; Inert atmosphere;100%
Stage #1: pyridine-2-acetonitrile With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.666667h;
Stage #2: 1,5-dibromo-pentane In tetrahydrofuran at -78 - 20℃; for 10h;
88%
With sodium hydride In diethyl ether; dimethyl sulfoxide; mineral oil at 15 - 20℃; for 25h; Inert atmosphere;74%
In water; dimethyl sulfoxide; ethyl acetate; isopropyl alcohol72%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

pentamethylenebis(zinc bromide)

pentamethylenebis(zinc bromide)

Conditions
ConditionsYield
In tetrahydrofuran Br(CH2)5Br was added to Zn powder in THF in a sealed and evacuated glass apparatus, mixt. was stirred for 5 h at 65°C; detd. by titrn.;100%
3-bromo-5-hydroxybenzoic acid ethyl ester
870673-35-1

3-bromo-5-hydroxybenzoic acid ethyl ester

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Ethyl 3-bromo-5-[(5-bromopentyl)oxy]benzoate
1229442-80-1

Ethyl 3-bromo-5-[(5-bromopentyl)oxy]benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h;100%
1-methyl-1H-imidazole
616-47-7

1-methyl-1H-imidazole

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

3,3′‐(pentane‐1,5‐diyl)bis(1‐methyl‐1H‐imidazol‐3‐ium) bromide

3,3′‐(pentane‐1,5‐diyl)bis(1‐methyl‐1H‐imidazol‐3‐ium) bromide

Conditions
ConditionsYield
In tetrahydrofuran at 100℃;100%
In acetonitrile at 20℃; for 120h;93%
In methanol at 0 - 55℃; for 64h; Inert atmosphere;90%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

C18H20N2O
1104607-83-1

C18H20N2O

1-(3,4-dihydroquinolin-1(2H)-yl)-3-phenyl-2-(piperidin-1-yl)propan-1-one
1613244-34-0

1-(3,4-dihydroquinolin-1(2H)-yl)-3-phenyl-2-(piperidin-1-yl)propan-1-one

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetonitrile for 17h; Reflux;100%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

4-hydroxy-3-methoxybenzoic acid methyl ester
3943-74-6

4-hydroxy-3-methoxybenzoic acid methyl ester

1',5'-bis<2-methoxy-(4-methoxycarbonyl)phenoxy>pentane
145325-42-4

1',5'-bis<2-methoxy-(4-methoxycarbonyl)phenoxy>pentane

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 3h; Inert atmosphere;100%
With potassium carbonate In N,N-dimethyl-formamide for 3h; Inert atmosphere;7.92 g
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

C25H17NO8

C25H17NO8

C55H44N2O16(2+)*2Br(1-)

C55H44N2O16(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile Solvent; Reflux;100%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

diethyl malonate
105-53-3

diethyl malonate

tetraethyl heptane-1,1,7,7-tetracarboxylate
217961-07-4

tetraethyl heptane-1,1,7,7-tetracarboxylate

Conditions
ConditionsYield
Stage #1: diethyl malonate With sodium ethanolate for 1h; Reflux; Industrial scale;
Stage #2: 1,5-dibromo-pentane for 1h; Reflux; Industrial scale;
100%
Stage #1: diethyl malonate With sodium ethanolate In ethanol at 40℃; Inert atmosphere;
Stage #2: 1,5-dibromo-pentane In ethanol at 55℃; for 2h; Inert atmosphere;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

gentitein
529-49-7

gentitein

C18H17BrO5

C18H17BrO5

Conditions
ConditionsYield
Stage #1: gentitein With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.8%
Stage #1: gentitein With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

isogentisine
491-64-5

isogentisine

C19H19BrO5

C19H19BrO5

Conditions
ConditionsYield
Stage #1: isogentisine With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.7%
Stage #1: isogentisine With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,3-dihydroxy-7-bromo-9H-xanthen-9-one
100334-97-2

1,3-dihydroxy-7-bromo-9H-xanthen-9-one

C18H16Br2O4

C18H16Br2O4

Conditions
ConditionsYield
Stage #1: 7-bromo-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.6%
Stage #1: 7-bromo-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,3-dihydroxyxanthone
3875-68-1

1,3-dihydroxyxanthone

1-hydroxy-3-(5-bromo-pentyloxy)-9H-xanthene-9-one
1443044-01-6

1-hydroxy-3-(5-bromo-pentyloxy)-9H-xanthene-9-one

Conditions
ConditionsYield
Stage #1: 1,3-dihydroxyxanthone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.4%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 6h;82%
With potassium carbonate In acetone at 60℃; for 4h; Reflux;72.39%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

7-chloro-1,3-dihydroxy-9H-xanthen-9-one
100334-95-0

7-chloro-1,3-dihydroxy-9H-xanthen-9-one

C18H16BrClO4

C18H16BrClO4

Conditions
ConditionsYield
Stage #1: 7-chloro-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.2%
Stage #1: 7-chloro-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,3-dihydroxy-8-methoxy-9H-xanthen-9-one
2980-31-6

1,3-dihydroxy-8-methoxy-9H-xanthen-9-one

C19H19BrO5

C19H19BrO5

Conditions
ConditionsYield
Stage #1: 1,3-dihydroxy-8-methoxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.2%
Stage #1: 1,3-dihydroxy-8-methoxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,3-dihydroxy-6,7-dimethoxy-9H-xanthen-9-one
34318-15-5

1,3-dihydroxy-6,7-dimethoxy-9H-xanthen-9-one

C20H21BrO6

C20H21BrO6

Conditions
ConditionsYield
Stage #1: 1,3-dihydroxy-6,7-dimethoxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 20h;
99.2%
Stage #1: 1,3-dihydroxy-6,7-dimethoxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,5-dibromo-pentane In N,N-dimethyl-formamide at 20℃; for 12.5h;
piperidine
110-89-4

piperidine

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

6-azaspiro[5.5]undecan-6-ium bromide
6286-82-4

6-azaspiro[5.5]undecan-6-ium bromide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In chloroform for 15h; Reflux;99%
With potassium carbonate In acetonitrile Reflux;77%
Stage #1: 1,5-dibromo-pentane With potassium carbonate In acetonitrile at 100℃;
Stage #2: piperidine at 100℃;
67%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,5-diazidopentane
17607-21-5

1,5-diazidopentane

Conditions
ConditionsYield
With sodium azide In water; N,N-dimethyl-formamide at 80℃; for 20h;99%
With sodium azide In N,N-dimethyl-formamide at 60℃; for 10h;96%
With sodium azide In water at 120 - 140℃; Microwave irradiation;94%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

[13C]-potassium cyanide
25909-68-6

[13C]-potassium cyanide

-1,5-dicyanopentane
89050-37-3

-1,5-dicyanopentane

Conditions
ConditionsYield
With 18-crown-6 ether In acetonitrile for 16h; Heating;99%
In ethanol; water Heating;87%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

1,5-bis(N-hexadecyl-N,N-dimethylammonium)pentane dibromide

1,5-bis(N-hexadecyl-N,N-dimethylammonium)pentane dibromide

Conditions
ConditionsYield
In ethanol at 80℃; for 48h;99%
In acetonitrile for 2.5h; Reflux;90%
In ethanol for 48h; Reflux;83%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

Benzimidazol-2-thiol
134469-07-1

Benzimidazol-2-thiol

1,5-bis(2-benzimidazoylthio)pentane

1,5-bis(2-benzimidazoylthio)pentane

Conditions
ConditionsYield
With sodium hydroxide In ethanol99%
With sodium hydroxide In ethanol99%
1-benzylimidazole
4238-71-5

1-benzylimidazole

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

2BrH(1-)*C25H30N4(2+)

2BrH(1-)*C25H30N4(2+)

Conditions
ConditionsYield
In ethyl acetate at 20 - 150℃; for 0.333333h; Microwave irradiation;99%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

p-cresol
106-44-5

p-cresol

1,5-bis(4-methylphenoxy)pentane
108255-74-9

1,5-bis(4-methylphenoxy)pentane

Conditions
ConditionsYield
With 18-crown-6 ether; potassium carbonate In tetrahydrofuran for 20h; Inert atmosphere; Reflux;99%
With potassium carbonate In acetonitrile Reflux;93%
Stage #1: p-cresol With sodium hydroxide In ethanol for 0.5h; Cooling with ice;
Stage #2: 1,5-dibromo-pentane In ethanol Reflux;
83.1%
1-phenylphospholane
3302-87-2

1-phenylphospholane

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1,5-bis(phenylphospholanium)pentane dibromide

1,5-bis(phenylphospholanium)pentane dibromide

Conditions
ConditionsYield
In acetonitrile at 80℃; for 48h; Inert atmosphere; Schlenk technique;99%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

1-ethyl-1,4-diazabicyclo[2.2.2]octan-1-ium bromide

1-ethyl-1,4-diazabicyclo[2.2.2]octan-1-ium bromide

1,5-bis-(4-ethyl-1,4-diazoniabicyclo[2.2.2]octan-1-yl)pentane tetrabromide

1,5-bis-(4-ethyl-1,4-diazoniabicyclo[2.2.2]octan-1-yl)pentane tetrabromide

Conditions
ConditionsYield
In methanol at 55℃; for 144h;99%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

C15H20O6

C15H20O6

C19H28O5

C19H28O5

Conditions
ConditionsYield
With magnesium In tetrahydrofuran at 0 - 20℃; for 5h; diastereoselective reaction;99%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

N-((1S,2S)-2-aminocyclohexyl)acetamide

N-((1S,2S)-2-aminocyclohexyl)acetamide

N-((1S,2S)-2-(piperidin-1-yl)cyclohexyl)acetamide

N-((1S,2S)-2-(piperidin-1-yl)cyclohexyl)acetamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile for 4h; Inert atmosphere; Reflux;99%
With N-ethyl-N,N-diisopropylamine In acetonitrile at 110℃; for 3h; Microwave irradiation;95%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

methyl 3-(2-hydroxy-2''-(prop-1-yn-1-yl)-[1,1':3',1''-terphenyl]-4'-yl)propiolate

methyl 3-(2-hydroxy-2''-(prop-1-yn-1-yl)-[1,1':3',1''-terphenyl]-4'-yl)propiolate

methyl 3-(2-((5-bromopentyl)oxy)-2''-(prop-1-yn-1-yl)-[1,1':3',1''-terphenyl]-4'-yl)propiolate

methyl 3-(2-((5-bromopentyl)oxy)-2''-(prop-1-yn-1-yl)-[1,1':3',1''-terphenyl]-4'-yl)propiolate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 1.5h; Inert atmosphere;99%

1,5-Dibromopentane Chemical Properties

IUPAC Name: 1,5-dibromopentane 
Empirical Formula: C5H10Br2
Molecular Weight: 229.9409g/mol
EINECS: 203-849-7 
Structure of 1,5-Dibromopentane (CAS NO.111-24-0):

Index of Refraction: 1.503
Molar Refractivity: 40.67 cm3
Molar Volume: 137.4 cm3
Polarizability: 16.12×10-24cm3
Surface Tension: 35.4 dyne/cm
Density: 1.673 g/cm3
Flash Point: 94.7 °C
Enthalpy of Vaporization: 44.22 kJ/mol 
Melting Point: −34 °C(lit.)
Boiling Point: 224.5 °C at 760 mmHg
Vapour Pressure: 0.136 mmHg at 25°C 
Water Solubility: insoluble 
Product Categories: Organics;Miscellaneous;DIBROMOALKANE;Bromine Compounds;alpha,omega-Bifunctional Alkanes;alpha,omega-Dibromoalkanes;Monofunctional & alpha,omega-Bifunctional Alkanes 
Canonical SMILES: C(CCBr)CCBr
InChI: InChI=1S/C5H10Br2/c6-4-2-1-3-5-7/h1-5H2
InChIKey: IBODDUNKEPPBKW-UHFFFAOYSA-N

1,5-Dibromopentane Uses

 1,5-Dibromopentane (CAS NO.111-24-0) is used for synthetic organic intermediates

1,5-Dibromopentane Toxicity Data With Reference

1.    

mmo-sat 10 µmol/plate

    MUREAV    Mutation Research. 141 (1984),11.
2.    

dnr-esc 10 µL/disc

    CNREA8    Cancer Research. 34 (1974),2576.

1,5-Dibromopentane Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

1,5-Dibromopentane Safety Profile

Mutation data reported. When heated to decomposition it emits toxic fumes of Br. See also n-PENTANE and BROMIDES.
The Hazard Codes of 1,5-DIBROMOPENTANE(111-24-0): IrritantXi,HarmfulXn
HS Code:29033036
The Risk Statements information of 1,5-DIBROMOPENTANE(111-24-0):
22:  Harmful if swallowed 
36/38:  Irritating to eyes and skin 
The Safety Statements information of 1,5-DIBROMOPENTANE(111-24-0):
23:  Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) 
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing 
37/39:  Wear suitable gloves and eye/face protection
WGK Germany:3
RTECS:SA0320000

1,5-Dibromopentane Specification

  1,5-Dibromopentane , its cas register number is 111-24-0. It also can be called 4-01-00-00314 (Beilstein Handbook Reference) ; AI3-20307 ; CCRIS 8918 ; NSC 5373 ; Pentamethylene bromide ; Pentamethylene dibromide . 1,5-Dibromopentane (CAS NO.111-24-0) is a clear colorless to yellow-brownish liquid.

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