Product Name

  • Name

    5-Bromovaleryl chloride

  • EINECS 629-364-4
  • CAS No. 4509-90-4
  • Article Data72
  • CAS DataBase
  • Density 1.502 g/cm3
  • Solubility Reacts with water.
  • Melting Point
  • Formula C5H8BrClO
  • Boiling Point 214.1 °C at 760 mmHg
  • Molecular Weight 199.475
  • Flash Point 107.2 °C
  • Transport Information UN 3265
  • Appearance clear colorless to slightly yellow liquid
  • Safety S26; S27; S36/37/39; S45; S28
  • Risk Codes R34; R36/37
  • Molecular Structure Molecular Structure of 4509-90-4 (5-Bromovaleryl chloride)
  • Hazard Symbols CorrosiveC
  • Synonyms Valerylchloride, 5-bromo- (7CI,8CI);5-Bromovaleric acid chloride;5-Bromovaleroylchloride;5-Bromovaleryl chloride, 98%;pentanoyl chloride, 5-bromo-;
  • PSA 17.07000
  • LogP 2.31700

Synthetic route

5-bromopentanoic acid
2067-33-6

5-bromopentanoic acid

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
With thionyl chloride100%
With oxalyl dichloride In benzene at 20 - 50℃; Inert atmosphere;98%
With oxalyl dichloride In benzene at 50℃; for 3h;97%
5-Bromvaleriansaeuretrimethylsilylester
71250-83-4

5-Bromvaleriansaeuretrimethylsilylester

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
With thionyl chloride
δ-bromo-n-valeric acid

δ-bromo-n-valeric acid

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
With thionyl chloride
3,4,5,6-tetrahydro-2H-pyran-2-one
542-28-9

3,4,5,6-tetrahydro-2H-pyran-2-one

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
2: SOCl2
View Scheme
oxalyl dichloride
79-37-8

oxalyl dichloride

5-bromopentanoic acid
2067-33-6

5-bromopentanoic acid

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
In N-methyl-acetamide; dichloromethane
In N-methyl-acetamide; dichloromethane
5-bromopentanoic acid
2067-33-6

5-bromopentanoic acid

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Conditions
ConditionsYield
With oxalyl dichloride In dichloromethane at 20℃;
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

methoxybenzene
100-66-3

methoxybenzene

5-bromo-1-(4-methoxyphenyl)pentan-1-one
69287-12-3

5-bromo-1-(4-methoxyphenyl)pentan-1-one

Conditions
ConditionsYield
With aluminum (III) chloride In dichloromethane at 0 - 20℃; for 2h;100%
With aluminium trichloride Friedel-Crafts acylation;85%
With aluminum (III) chloride In dichloromethane at 0 - 20℃; for 2h; Friedel-Crafts Acylation;
With metallic chloride at 50℃; Friedel-Crafts Acylation;
With aluminum (III) chloride In dichloromethane at 0 - 20℃; Inert atmosphere;
propylamine
107-10-8

propylamine

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

5-Bromo-pentanoic acid propylamide
442913-00-0

5-Bromo-pentanoic acid propylamide

Conditions
ConditionsYield
With pyridine In dichloromethane100%
In N,N-dimethyl-formamide
In N,N-dimethyl-formamide
3-(3-pyridyl)propan-1-ol
2859-67-8

3-(3-pyridyl)propan-1-ol

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

5-bromo-pentanoic acid 3-pyridin-3-yl-propyl ester

5-bromo-pentanoic acid 3-pyridin-3-yl-propyl ester

Conditions
ConditionsYield
With pyridine In dichloromethane100%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

benzyl alcohol
100-51-6

benzyl alcohol

Benzyl 5-bromovalerate
60343-28-4

Benzyl 5-bromovalerate

Conditions
ConditionsYield
With pyridine In dichloromethane100%
With triethylamine In dichloromethane at 0 - 20℃; for 16.5h;100%
With triethylamine In dichloromethane at 0 - 20℃;
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

(naphth-1-yl)methylamine
118-31-0

(naphth-1-yl)methylamine

5-bromo-pentanoic acid (naphthalen-1-ylmethyl)-amide

5-bromo-pentanoic acid (naphthalen-1-ylmethyl)-amide

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide for 1h;100%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

5-bromo-N-methoxy-N-methylpentanamide
130250-58-7

5-bromo-N-methoxy-N-methylpentanamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 12h;100%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

3-(3-bromophenyl)-1H-pyrazol-5-amine
149246-81-1

3-(3-bromophenyl)-1H-pyrazol-5-amine

5-bromo-pentanoic acid [5-(3-bromo-phenyl)-2H-pyrazol-3-yl]-amide
1040724-62-6

5-bromo-pentanoic acid [5-(3-bromo-phenyl)-2H-pyrazol-3-yl]-amide

Conditions
ConditionsYield
In ISOPROPYLAMIDE at 0℃; for 1h;100%
In ISOPROPYLAMIDE at 0℃; for 1h;
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

2-aminophenethyl alcohol
5339-85-5

2-aminophenethyl alcohol

5-bromo-N-[2-(2-hydroxyethyl)phenyl]pentanamide
1430091-95-4

5-bromo-N-[2-(2-hydroxyethyl)phenyl]pentanamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at -5 - 0℃;100%
With triethylamine In dichloromethane at -5 - 0℃;100%
4-chloro-2-butyn-1-amine
87876-05-9

4-chloro-2-butyn-1-amine

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

5-bromo-N-(4-chlorobut-2-ynyl)pentanamide

5-bromo-N-(4-chlorobut-2-ynyl)pentanamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at -5 - 20℃; for 2h;100%
4-amino-1-benzylpiperidine
50541-93-0

4-amino-1-benzylpiperidine

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

N-(1-benzylpiperidin-4-yl)-5-bromopentanamide

N-(1-benzylpiperidin-4-yl)-5-bromopentanamide

Conditions
ConditionsYield
With potassium carbonate In water; ethyl acetate for 1h;99%
With triethylamine In dichloromethane at 20℃;61%
With aq. KCO3 In ethyl acetate at 20℃; for 1h;
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

4-bromo-aniline
106-40-1

4-bromo-aniline

5-bromo-N-(4-bromophenyl)pentanamide
948883-07-6

5-bromo-N-(4-bromophenyl)pentanamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 3h;99%
With triethylamine In dichloromethane at 0℃; for 1h;86%
With triethylamine In DCE at 20℃;
dimethylenecyclourethane
497-25-6

dimethylenecyclourethane

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

3-(5-bromopentanoyl)oxazolidin-2-one
1330681-59-8

3-(5-bromopentanoyl)oxazolidin-2-one

Conditions
ConditionsYield
Stage #1: dimethylenecyclourethane With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Inert atmosphere;
Stage #2: 5-bromovaleroyl chloride In tetrahydrofuran; hexane at -78 - 20℃; for 1.5h; Inert atmosphere;
99%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

C21H20F3N3O2

C21H20F3N3O2

C26H27BrF3N3O3

C26H27BrF3N3O3

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 3h; Cooling with ice;99%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

H-Phe-OEt
3081-24-1

H-Phe-OEt

(S)-2-(5-Bromo-pentanoylamino)-3-phenyl-propionic acid ethyl ester
170798-06-8

(S)-2-(5-Bromo-pentanoylamino)-3-phenyl-propionic acid ethyl ester

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 1h; Ambient temperature;98%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

4-methoxycarbonyl aniline
619-45-4

4-methoxycarbonyl aniline

4-(5-Bromo-pentanoylamino)-benzoic acid methyl ester
195191-89-0

4-(5-Bromo-pentanoylamino)-benzoic acid methyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 25℃; for 1.5h;98%
chloraminophenamide
121-30-2

chloraminophenamide

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

N-[2,4-bis(aminosulfonyl)-5-chlorophenyl]-5-bromo-pentanamide
907625-19-8

N-[2,4-bis(aminosulfonyl)-5-chlorophenyl]-5-bromo-pentanamide

Conditions
ConditionsYield
In 1,4-dioxane for 2h; Heating / reflux;98%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

C51H101NO4

C51H101NO4

C56H108BrNO5

C56H108BrNO5

Conditions
ConditionsYield
With dmap; triethylamine In benzene at 20℃;98%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

Diethyl iminodiacetate
6290-05-7

Diethyl iminodiacetate

C13H22BrNO5
1132801-02-5

C13H22BrNO5

Conditions
ConditionsYield
With triethylamine In acetonitrile at 0 - 20℃; for 2h;97.7%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

(-)-N-{2-[3-acetyl-5-(2-oxopiperidino)-2-phenyl-2,3-dihydro-1,3,4-thiadiazol-2-yl]ethyl}methanesulfonamide

(-)-N-{2-[3-acetyl-5-(2-oxopiperidino)-2-phenyl-2,3-dihydro-1,3,4-thiadiazol-2-yl]ethyl}methanesulfonamide

Conditions
ConditionsYield
With pyridine; sodium acetate97%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

methyl-4-cyanobenzylamine
34403-48-0

methyl-4-cyanobenzylamine

5-bromo-N-[(4-cyanophenyl)methyl]-N-methylpentanamide
633699-38-4

5-bromo-N-[(4-cyanophenyl)methyl]-N-methylpentanamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃; for 5h;97%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

3-bromo-2-methylaniline
55289-36-6

3-bromo-2-methylaniline

1-(3-bromo-2-methylphenyl)piperidin-2-one
1231891-49-8

1-(3-bromo-2-methylphenyl)piperidin-2-one

Conditions
ConditionsYield
Stage #1: 5-bromovaleroyl chloride; 3-bromo-2-methylaniline With triethylamine In dichloromethane at 20℃; for 0.5h;
Stage #2: With sodium hydride In tetrahydrofuran at 20℃;
Stage #3: With hydrogenchloride; water In tetrahydrofuran
97%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

4-nitro-aniline
100-01-6

4-nitro-aniline

1-(4-nitrophenyl)piperidine-2-one
38560-30-4

1-(4-nitrophenyl)piperidine-2-one

Conditions
ConditionsYield
Stage #1: 5-bromovaleroyl chloride; 4-nitro-aniline With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃;
Stage #2: With potassium tert-butylate In tetrahydrofuran at 0 - 20℃;
96%
With pyridine; dmap In tetrahydrofuran at 0 - 100℃; for 1h;96.82%
Stage #1: 5-bromovaleroyl chloride; 4-nitro-aniline In tetrahydrofuran; water at 20℃; for 1h; Green chemistry;
Stage #2: In tetrahydrofuran; water at 20℃; for 4h; Green chemistry;
90%
Stage #1: 5-bromovaleroyl chloride; 4-nitro-aniline With triethylamine In tetrahydrofuran at 0 - 20℃;
Stage #2: With potassium tert-butylate In tetrahydrofuran at 0 - 20℃;
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

C11H12Cl2N2O

C11H12Cl2N2O

5-bromo-N-[4-(3,3-dichloro-2-oxopiperidin-1-yl)phenyl]valeroyl amide

5-bromo-N-[4-(3,3-dichloro-2-oxopiperidin-1-yl)phenyl]valeroyl amide

Conditions
ConditionsYield
With pyridine; dmap In dichloromethane at 20℃; for 0.5h;96.04%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

cholesterol
57-88-5

cholesterol

cholest-5-en-3-β-yl 5-bromopentanoate
86689-84-1

cholest-5-en-3-β-yl 5-bromopentanoate

Conditions
ConditionsYield
With pyridine for 1h;96%
With pyridine In dichloromethane at 0 - 24℃; for 1h;96%
With pyridine In tetrahydrofuran at 0 - 20℃; for 12h;84%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

methyl 6-chloroanthranilate
41632-04-6

methyl 6-chloroanthranilate

methyl 2-(5-bromopentanoylamino)-6-chlorobenzoate
864387-30-4

methyl 2-(5-bromopentanoylamino)-6-chlorobenzoate

Conditions
ConditionsYield
With pyridine In tetrahydrofuran at 0 - 20℃; for 1h;96%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

tert-butyl N-(2-amino-6-methyl-phenyl)-N-(4-cyano-phenyl)-hydrazinocarboxylate
1075282-08-4

tert-butyl N-(2-amino-6-methyl-phenyl)-N-(4-cyano-phenyl)-hydrazinocarboxylate

tert-butyl N-[2-(5-bromo-pentanoylamino)-6-methylphenyl]-N-(4-cyano-phenyl)-hydrazinocarboxylate
1075282-10-8

tert-butyl N-[2-(5-bromo-pentanoylamino)-6-methylphenyl]-N-(4-cyano-phenyl)-hydrazinocarboxylate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃;96%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

benzyl N-[(1R,2R)-2-aminocyclohexyl]carbamate
142350-85-4

benzyl N-[(1R,2R)-2-aminocyclohexyl]carbamate

benzyl (1R,2R)-2-(5-bromopentanamido)cyclohexylcarbamate
1438415-81-6

benzyl (1R,2R)-2-(5-bromopentanamido)cyclohexylcarbamate

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 5 - 20℃; for 2h;96%
5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

tert-butyl (3S,4S)-3-amino-4-hydroxypiperidine-1-carboxylate

tert-butyl (3S,4S)-3-amino-4-hydroxypiperidine-1-carboxylate

C15H27BrN2O4
1510832-71-9

C15H27BrN2O4

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 0℃; for 1h;96%
5-(2-aminophenyl)-10,15,20-triphenylporphyrinate
69082-94-6

5-(2-aminophenyl)-10,15,20-triphenylporphyrinate

5-bromovaleroyl chloride
4509-90-4

5-bromovaleroyl chloride

meso-triphenylporphyrin
80441-46-9

meso-triphenylporphyrin

Conditions
ConditionsYield
With ammonium hydroxide In tetrahydrofuran at 0℃; for 0.5h;95%
Stage #1: 5-(2-aminophenyl)-10,15,20-triphenylporphyrinate; 5-bromovaleroyl chloride In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: With ammonia In tetrahydrofuran; water
95%
With pyridine In dichloromethane for 10h; Ambient temperature;65%

5-Bromovaleryl chloride Chemical Properties

Molecular Structure of 5-Bromovaleryl chloride (CAS NO.4509-90-4):

IUPAC Name: 5-bromopentanoyl chloride 
Empirical Formula: C5H8BrClO
Molecular Weight: 199.4734
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 4
Polar Surface Area: 17.07 Å2
Index of Refraction: 1.481
Molar Refractivity: 37.82 cm3
Molar Volume: 132.7 cm3
Surface Tension: 36.6 dyne/cm
Density: 1.502 g/cm3
Flash Point: 107.2 °C
Enthalpy of Vaporization: 45.04 kJ/mol
Boiling Point: 214.1 °C at 760 mmHg
Vapour Pressure: 0.158 mmHg at 25°C
Sensitive: Moisture Sensitive/Lachrymatory
SMILES: BrCCCCC(Cl)=O
InChI: InChI=1/C5H8BrClO/c6-4-2-1-3-5(7)8/h1-4H2
Product Categories: Acid Halides; Carbonyl Compounds; Organic Building Blocks

5-Bromovaleryl chloride Safety Profile

Hazard Codes: CorrosiveC
Risk Statements: 34-36/37
R34:Causes burns. 
R36/37:Irritating to eyes and respiratory system.
Safety Statements: 26-27-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27:Take off immediately all contaminated clothing. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
Hazard Note: Harmful/Corrosive/Lachrymatory/Moisture Sensitive
HazardClass: 8
PackingGroup: II

5-Bromovaleryl chloride Specification

  5-Bromovaleryl chloride , with CAS number of 4509-90-4, can be called Valerylchloride, 5-bromo- (7CI,8CI) ; 5-Bromovaleric acid chloride ; 5-Bromovaleroylchloride ; 5-Bromovaleryl chloride, 98% ; pentanoyl chloride, 5-bromo- .

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View