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141-75-3

Basic Information
CAS No.: 141-75-3
Name: Butyryl chloride
Article Data: 125
Molecular Structure:
Molecular Structure of 141-75-3 (Butyryl chloride)
Formula: C4H7ClO
Molecular Weight: 106.552
Synonyms: Butyrylchloride (6CI,7CI,8CI);2-Ethylacetyl chloride;Butyric acid chloride;Butyricchloride;n-Butanoyl chloride;n-Butyroyl chloride;Butanoylchloride;
EINECS: 205-498-5
Density: 1.033 g/cm3
Melting Point: -89 °C
Boiling Point: 102.9 °C at 760 mmHg
Flash Point: 21.7 °C
Solubility: Decomposes in water
Appearance: clear colorless liquid with a sharp odor
Hazard Symbols: FlammableF,CorrosiveC
Risk Codes: 11-34
Safety: 16-23-26-36-45
Transport Information: UN 2353 3/PG 2
PSA: 17.07000
LogP: 1.55190
Synthetic route
107-92-6

butyric acid

141-75-3

butyryl chloride

Conditions
ConditionsYield
With thionyl chloride; N,N-dimethyl-formamide In toluene at 100 - 102℃; for 9h;92%
With thionyl chloride In N,N-dimethyl-formamide Reflux;90.9%
With thionyl chloride for 0.5h; Heating;86%
107-92-6

butyric acid

A

106-31-0

butanoic acid anhydride

B

141-75-3

butyryl chloride

Conditions
ConditionsYield
With phosphorus trichloride at 40 - 50℃; 4-5h;A n/a
B 67%
With phosphorus trichloride at 40 - 50℃; 4-5h;A 10.54%
B 49.3%
16844-99-8

trimethylsilyl butyrate

4353-77-9

chlorosulfonate de trimethylsilyle

A

89056-03-1

2-(Trimethylsiloxysulfonyl)-butansaeure-trimethylsilylester

B

141-75-3

butyryl chloride

Conditions
ConditionsYield
In 1,2-dichloro-ethane for 12h; Heating;A 62%
B n/a
814-68-6

acryloyl chloride

51176-12-6

methylhydridomercury(II)

141-75-3

butyryl chloride

Conditions
ConditionsYield
56%
98-88-4

benzoyl chloride

107-92-6

butyric acid

141-75-3

butyryl chloride

Conditions
ConditionsYield
durch Destillation;
56-23-5

tetrachloromethane

123-72-8

butyraldehyde

A

67-72-1

hexachloroethane

B

645-62-5

2-ethylhexenal

C

141-75-3

butyryl chloride

Conditions
ConditionsYield
bei der Einwirkung von γ-Strahlen;
98-07-7

Benzotrichlorid

107-92-6

butyric acid

141-75-3

butyryl chloride

Conditions
ConditionsYield
With zinc(II) chloride at 70 - 80℃;
88-95-9

Phthaloyl dichloride

107-92-6

butyric acid

141-75-3

butyryl chloride

Conditions
ConditionsYield
durch Destillation;
50966-31-9

1,1-dichloroethyl ethyl ether

107-92-6

butyric acid

141-75-3

butyryl chloride

79-30-1

isobutyryl chloride

141-75-3

butyryl chloride

Conditions
ConditionsYield
aluminium trichloride; Pd(Ph3)3(Cl)(COCH3)+AlCl3 In chloroform-d1 at 50℃; for 168h; Product distribution; variation of calyst;
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Chemistry

Molecular Structure of n-Butyryl chloride (CAS NO.141-75-3):

IUPAC Name: Butanoyl chloride
Canonical SMILES: CCCC(=O)Cl
InChI: InChI=1S/C4H7ClO/c1-2-3-4(5)6/h2-3H2,1H3
InChIKey: DVECBJCOGJRVPX-UHFFFAOYSA-N
Molecular Weight: 106.55078 [g/mol]
Molecular Formula: C4H7ClO
XLogP3-AA: 1.6
H-Bond Donor: 0
H-Bond Acceptor: 1 
EINECS: 205-498-5
Appearance:  clear colorless liquid with a sharp odor
Melting Point: -89 °C(lit.)
storage temp.: Flammables area
Water Solubility: decomposes
FreezingPoint: -89 °C
Sensitive: Moisture Sensitive 
Index of Refraction: 1.408
Molar Refractivity: 25.45 cm3
Molar Volume: 103 cm3
Surface Tension: 26.9 dyne/cm
Density: 1.033 g/cm3
Flash Point: 21.7 °C
Enthalpy of Vaporization: 34.21 kJ/mol
Boiling Point: 102.9 °C at 760 mmHg
Vapour Pressure: 32.9 mmHg at 25 °C
Product Categories: Pharmaceutical Intermediates; Organics; Acid Halides; Carbonyl Compounds; Organic Building Blocks

Uses

 n-Butyryl chloride (CAS NO.141-75-3) is used as an intermediate for organic synthesis for the preparation of pharmaceuticals, agrochemicals, cellulose eaters, dyes, and peroxide compounds. It is used as a herbicide intermediate for sSethoxydim, tralkoxydim and cycloxydim.

Safety Profile

Safety Information of n-Butyryl chloride (CAS NO.141-75-3):
Hazard Codes:F ,C
Risk Statements:11-34
11:Highly Flammable
34:Causes burns
Safety Statements:16-23-26-36-45
16:Keep away from sources of ignition - No smoking
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
45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR:UN 2353 3/PG 2
WGK Germany:1
F:13
HazardClass:3
PackingGroup:II

Specification

 n-Butyryl chloride (CAS NO.141-75-3), its Synonyms are Butanoyl chloride ; Butyric acid chloride ; Butyric chloride ; Butyroyl chloride ; Butanoyl chloride .