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Acyl Halides

Organic compounds that contain a carbon atom bonded to a halogen atom, and an oxygen atom via a double bond; commonly derived from an oxoacid by replacing a hydroxyl group with a halogen atom.
Acyl chlorides (1,390)
Acyl bromides (396)
Acyl fluorides (14)

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31

Adipoyl Chloride 98.0+%, TCI America™

CAS: 111-50-2 Molecular Formula: C6H8Cl2O2 Molecular Weight (g/mol): 183.028 MDL Number: MFCD00000759 InChI Key: PWAXUOGZOSVGBO-UHFFFAOYSA-N Synonym: adipoyl chloride,adipoyl dichloride,adipyl chloride,adipoylchloride,adipic dichloride,hexanedioyl chloride,adipic acid dichloride,butane-1,4-dicarbonyl chloride,adipic acid chloride,pubchem13242 PubChem CID: 61034 IUPAC Name: hexanedioyl dichloride SMILES: C(CCC(=O)Cl)CC(=O)Cl

PubChem CID 61034
CAS 111-50-2
Molecular Weight (g/mol) 183.028
MDL Number MFCD00000759
SMILES C(CCC(=O)Cl)CC(=O)Cl
Synonym adipoyl chloride,adipoyl dichloride,adipyl chloride,adipoylchloride,adipic dichloride,hexanedioyl chloride,adipic acid dichloride,butane-1,4-dicarbonyl chloride,adipic acid chloride,pubchem13242
IUPAC Name hexanedioyl dichloride
InChI Key PWAXUOGZOSVGBO-UHFFFAOYSA-N
Molecular Formula C6H8Cl2O2
32

Benzoyl chloride, 99%, pure, AcroSeal™

CAS: 98-88-4 Molecular Formula: C7H5ClO Molecular Weight (g/mol): 140.57 InChI Key: PASDCCFISLVPSO-UHFFFAOYSA-N Synonym: benzenecarbonyl chloride,benzoic acid, chloride,benzoylchloride,alpha-chlorobenzaldehyde,benzoic acid chloride,benzoylchlorid,benzaldehyde, alpha-chloro,a-chlorobenzaldehyde,ccris 802,unii-vty8706w36 PubChem CID: 7412 ChEBI: CHEBI:82275 IUPAC Name: benzoyl chloride SMILES: C1=CC=C(C=C1)C(=O)Cl

PubChem CID 7412
CAS 98-88-4
Molecular Weight (g/mol) 140.57
ChEBI CHEBI:82275
SMILES C1=CC=C(C=C1)C(=O)Cl
Synonym benzenecarbonyl chloride,benzoic acid, chloride,benzoylchloride,alpha-chlorobenzaldehyde,benzoic acid chloride,benzoylchlorid,benzaldehyde, alpha-chloro,a-chlorobenzaldehyde,ccris 802,unii-vty8706w36
IUPAC Name benzoyl chloride
InChI Key PASDCCFISLVPSO-UHFFFAOYSA-N
Molecular Formula C7H5ClO
33

Hexanoyl Chloride 98.0+%, TCI America™

CAS: 142-61-0 Molecular Formula: C6H11ClO Molecular Weight (g/mol): 134.603 MDL Number: MFCD00000760 InChI Key: YWGHUJQYGPDNKT-UHFFFAOYSA-N Synonym: caproyl chloride,n-caproyl chloride,hexanoylchloride,unii-i7ge8hg3b2,n-hexanoyl chloride,caproic acid chloride,hexanoic acid chloride,i7ge8hg3b2,caproylchloride,hexoylchlorid PubChem CID: 67340 IUPAC Name: hexanoyl chloride SMILES: CCCCCC(=O)Cl

PubChem CID 67340
CAS 142-61-0
Molecular Weight (g/mol) 134.603
MDL Number MFCD00000760
SMILES CCCCCC(=O)Cl
Synonym caproyl chloride,n-caproyl chloride,hexanoylchloride,unii-i7ge8hg3b2,n-hexanoyl chloride,caproic acid chloride,hexanoic acid chloride,i7ge8hg3b2,caproylchloride,hexoylchlorid
IUPAC Name hexanoyl chloride
InChI Key YWGHUJQYGPDNKT-UHFFFAOYSA-N
Molecular Formula C6H11ClO
34

Oxalyl chloride, 2.0M solution in dichloromethane, AcroSeal™

CAS: 79-37-8 | C2Cl2O2 | 126.93 g/mol

Linear Formula ClCOCOCl
Molecular Weight (g/mol) 126.93
InChI Key CTSLXHKWHWQRSH-UHFFFAOYSA-N
Density 1.3350g/mL
PubChem CID 65578
Name Note 2.0M solution in dichloromethane
Fieser 01,767; 02,301; 03,216; 04,361; 05,481; 06,424; 07,257; 08,366; 11,379; 14,150; 16,149; 17,241
Formula Weight 126.93
Color Colorless to Yellow
Physical Form Liquid
Chemical Name or Material Oxalyl chloride
SMILES C(=O)(C(=O)Cl)Cl
Merck Index 15, 7013
CAS 75-09-2
Health Hazard 3 GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
IF SWALLOWED: Rinse mouth.
Do NOT induce vomiting.
MDL Number MFCD00000704
Health Hazard 2 GHS H Statement
Causes severe skin burns and eye damage.
Harmful if inhaled.
Suspected of causing cancer.
Harmful if swallowed.
Reacts violently with water.
Contact with water liberates toxic gas.
Corrosive to t
Solubility Information Solubility in water: reacts
Health Hazard 1 GHS Signal Word: Danger
Synonym oxalyl chloride,ethanedioyl dichloride,oxalic dichloride,oxaloyl chloride,oxalic acid dichloride,oxalic acid chloride,ethanedioyl chloride,oxalylchloride,unii-r4y96317dw,cocl 2
Recommended Storage Refrigerator +4°C
IUPAC Name oxalyl dichloride
Beilstein 02, 542
Molecular Formula C2Cl2O2
EINECS Number 201-200-2
Specific Gravity 1.335
35

Acetyl Chloride 98.0+%, TCI America™

CAS: 75-36-5 Molecular Formula: C2H3ClO Molecular Weight (g/mol): 78.50 MDL Number: MFCD00000719 InChI Key: WETWJCDKMRHUPV-UHFFFAOYSA-N Synonym: ethanoyl chloride,acetic chloride,acetylchloride,acetic acid chloride,ch3cocl,rcra waste number u006,acetic acid, chloride,unii-qd15rno45k,ccris 4568,hsdb 662 PubChem CID: 6367 ChEBI: CHEBI:37580 IUPAC Name: acetyl chloride SMILES: CC(Cl)=O

PubChem CID 6367
CAS 75-36-5
Molecular Weight (g/mol) 78.50
ChEBI CHEBI:37580
MDL Number MFCD00000719
SMILES CC(Cl)=O
Synonym ethanoyl chloride,acetic chloride,acetylchloride,acetic acid chloride,ch3cocl,rcra waste number u006,acetic acid, chloride,unii-qd15rno45k,ccris 4568,hsdb 662
IUPAC Name acetyl chloride
InChI Key WETWJCDKMRHUPV-UHFFFAOYSA-N
Molecular Formula C2H3ClO
36

Cyclohexanecarboxylic acid chloride, 98%

CAS: 2719-27-9 Molecular Formula: C7H11ClO Molecular Weight (g/mol): 146.61 MDL Number: MFCD00001456 InChI Key: RVOJTCZRIKWHDX-UHFFFAOYSA-N Synonym: hexahydrobenzoyl chloride,chlorocarbonylcyclohexane,cyclohexanoyl chloride,cyclohexylcarbonyl chloride,cyclohexoyl chloride,cyclohexancarbonylchlorid,acmc-209gvv,hexahydrobenzoyl-chloride,cyclohexanecarbonylchloride,cyclohexancarbonyl chloride PubChem CID: 75938 IUPAC Name: cyclohexanecarbonyl chloride SMILES: ClC(=O)C1CCCCC1

PubChem CID 75938
CAS 2719-27-9
Molecular Weight (g/mol) 146.61
MDL Number MFCD00001456
SMILES ClC(=O)C1CCCCC1
Synonym hexahydrobenzoyl chloride,chlorocarbonylcyclohexane,cyclohexanoyl chloride,cyclohexylcarbonyl chloride,cyclohexoyl chloride,cyclohexancarbonylchlorid,acmc-209gvv,hexahydrobenzoyl-chloride,cyclohexanecarbonylchloride,cyclohexancarbonyl chloride
IUPAC Name cyclohexanecarbonyl chloride
InChI Key RVOJTCZRIKWHDX-UHFFFAOYSA-N
Molecular Formula C7H11ClO
37

Isovaleryl chloride, 97%

CAS: 108-12-3 Molecular Formula: C5H9ClO Molecular Weight (g/mol): 120.576 MDL Number: MFCD00000738 InChI Key: ISULZYQDGYXDFW-UHFFFAOYSA-N Synonym: isovaleryl chloride,butanoyl chloride, 3-methyl,isovaleroyl chloride,isopentanoyl chloride,isovaleric acid chloride,3-methylbutyryl chloride,isovalerylchloride,3-methyl-butanoyl chloride,unii-j2ml32m57v,3-methyl-butyryl chloride PubChem CID: 66054 IUPAC Name: 3-methylbutanoyl chloride SMILES: CC(C)CC(=O)Cl

PubChem CID 66054
CAS 108-12-3
Molecular Weight (g/mol) 120.576
MDL Number MFCD00000738
SMILES CC(C)CC(=O)Cl
Synonym isovaleryl chloride,butanoyl chloride, 3-methyl,isovaleroyl chloride,isopentanoyl chloride,isovaleric acid chloride,3-methylbutyryl chloride,isovalerylchloride,3-methyl-butanoyl chloride,unii-j2ml32m57v,3-methyl-butyryl chloride
IUPAC Name 3-methylbutanoyl chloride
InChI Key ISULZYQDGYXDFW-UHFFFAOYSA-N
Molecular Formula C5H9ClO
38

n-Undecanoyl chloride, 98%

CAS: 17746-05-3 Molecular Formula: C11H21ClO Molecular Weight (g/mol): 204.738 MDL Number: MFCD00000739 InChI Key: JUKPJGZUFHCZQI-UHFFFAOYSA-N Synonym: n-undecanoyl chloride,undecanoic acid chloride,undecanoylchloride,n-undecanoylchloride,undecanoyl chloride,acmc-1c80a,ksc175q6f PubChem CID: 87287 IUPAC Name: undecanoyl chloride SMILES: CCCCCCCCCCC(=O)Cl

PubChem CID 87287
CAS 17746-05-3
Molecular Weight (g/mol) 204.738
MDL Number MFCD00000739
SMILES CCCCCCCCCCC(=O)Cl
Synonym n-undecanoyl chloride,undecanoic acid chloride,undecanoylchloride,n-undecanoylchloride,undecanoyl chloride,acmc-1c80a,ksc175q6f
IUPAC Name undecanoyl chloride
InChI Key JUKPJGZUFHCZQI-UHFFFAOYSA-N
Molecular Formula C11H21ClO
39

Fumaryl chloride, 95%

CAS: 627-63-4 Molecular Formula: C4H2Cl2O2 Molecular Weight (g/mol): 152.958 MDL Number: MFCD00000733 InChI Key: ZLYYJUJDFKGVKB-OWOJBTEDSA-N Synonym: fumaryl chloride,fumaroyl dichloride,fumaroyl chloride,fumarylchlorid,chlorure de fumaryle,fumarylchlorid czech,2-butenedioyl dichloride, e,2-butenedioyl dichloride, 2e,dichlorid kyseliny fumarove,fumaryl dichloride PubChem CID: 5325504 IUPAC Name: (E)-but-2-enedioyl dichloride SMILES: C(=CC(=O)Cl)C(=O)Cl

PubChem CID 5325504
CAS 627-63-4
Molecular Weight (g/mol) 152.958
MDL Number MFCD00000733
SMILES C(=CC(=O)Cl)C(=O)Cl
Synonym fumaryl chloride,fumaroyl dichloride,fumaroyl chloride,fumarylchlorid,chlorure de fumaryle,fumarylchlorid czech,2-butenedioyl dichloride, e,2-butenedioyl dichloride, 2e,dichlorid kyseliny fumarove,fumaryl dichloride
IUPAC Name (E)-but-2-enedioyl dichloride
InChI Key ZLYYJUJDFKGVKB-OWOJBTEDSA-N
Molecular Formula C4H2Cl2O2
40

Perfluoro(2-methyl-3-oxahexanoyl) fluoride, 97%

CAS: 2062-98-8 Molecular Formula: C6F12O2 Molecular Weight (g/mol): 332.045 MDL Number: MFCD00054657 InChI Key: BCLQALQSEBVVAD-UHFFFAOYSA-N Synonym: 2,3,3,3-tetrafluoro-2-perfluoropropoxy propanoyl fluoride,undecafluoro-2-methyl-3-oxahexanoyl fluoride,perfluoro 2-methyl-3-oxahexanoyl fluoride,2,3,3,3-tetrafluoro-2-heptafluoropropoxy propanoyl fluoride,perfluoro-2-methyl-3-oxahexanoyl fluoride,propanoyl fluoride, 2,3,3,3-tetrafluoro-2-heptafluoropropoxy,2,3,3,3-tetrafluoro-2-1,1,2,2,3,3,3-heptafluoropropoxy propanoyl fluoride,propanoyl fluoride, 2,3,3,3-tetrafluoro-2-1,1,2,2,3,3,3-heptafluoropropoxy,hfpo dimer,acmc-1cljd PubChem CID: 102740 IUPAC Name: 2,3,3,3-tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoyl fluoride SMILES: C(=O)(C(C(F)(F)F)(OC(C(C(F)(F)F)(F)F)(F)F)F)F

PubChem CID 102740
CAS 2062-98-8
Molecular Weight (g/mol) 332.045
MDL Number MFCD00054657
SMILES C(=O)(C(C(F)(F)F)(OC(C(C(F)(F)F)(F)F)(F)F)F)F
Synonym 2,3,3,3-tetrafluoro-2-perfluoropropoxy propanoyl fluoride,undecafluoro-2-methyl-3-oxahexanoyl fluoride,perfluoro 2-methyl-3-oxahexanoyl fluoride,2,3,3,3-tetrafluoro-2-heptafluoropropoxy propanoyl fluoride,perfluoro-2-methyl-3-oxahexanoyl fluoride,propanoyl fluoride, 2,3,3,3-tetrafluoro-2-heptafluoropropoxy,2,3,3,3-tetrafluoro-2-1,1,2,2,3,3,3-heptafluoropropoxy propanoyl fluoride,propanoyl fluoride, 2,3,3,3-tetrafluoro-2-1,1,2,2,3,3,3-heptafluoropropoxy,hfpo dimer,acmc-1cljd
IUPAC Name 2,3,3,3-tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoyl fluoride
InChI Key BCLQALQSEBVVAD-UHFFFAOYSA-N
Molecular Formula C6F12O2
41

trans-Crotonyl chloride, 90%, tech.

CAS: 625-35-4 Molecular Formula: C4H5ClO Molecular Weight (g/mol): 104.54 MDL Number: MFCD00000734 InChI Key: RJUIDDKTATZJFE-NSCUHMNNSA-N Synonym: crotonyl chloride,2-butenoyl chloride,crotonoyl chloride,e-but-2-enoyl chloride,e-2-butenoyl chloride,crotonic acid chloride,2e-but-2-enoyl chloride,2-butenoyl chloride, e,2-butenoyl chloride, 2e,trans-2-butenoyl chloride PubChem CID: 643131 IUPAC Name: (E)-but-2-enoyl chloride SMILES: CC=CC(=O)Cl

PubChem CID 643131
CAS 625-35-4
Molecular Weight (g/mol) 104.54
MDL Number MFCD00000734
SMILES CC=CC(=O)Cl
Synonym crotonyl chloride,2-butenoyl chloride,crotonoyl chloride,e-but-2-enoyl chloride,e-2-butenoyl chloride,crotonic acid chloride,2e-but-2-enoyl chloride,2-butenoyl chloride, e,2-butenoyl chloride, 2e,trans-2-butenoyl chloride
IUPAC Name (E)-but-2-enoyl chloride
InChI Key RJUIDDKTATZJFE-NSCUHMNNSA-N
Molecular Formula C4H5ClO
42

Trichloroacetyl chloride, 99%

CAS: 76-02-8 Molecular Formula: C2Cl4O Molecular Weight (g/mol): 181.821 MDL Number: MFCD00000792 InChI Key: PVFOMCVHYWHZJE-UHFFFAOYSA-N Synonym: trichloroacetyl chloride,superpalite,acetyl chloride, trichloro,trichloroacetochloride,trichloroacetic acid chloride,ccl3cocl,trichloroacetylchloride,unii-9sn86t76y6,ccris 6764,acetyl chloride, 2,2,2-trichloro PubChem CID: 6420 IUPAC Name: 2,2,2-trichloroacetyl chloride SMILES: C(=O)(C(Cl)(Cl)Cl)Cl

PubChem CID 6420
CAS 76-02-8
Molecular Weight (g/mol) 181.821
MDL Number MFCD00000792
SMILES C(=O)(C(Cl)(Cl)Cl)Cl
Synonym trichloroacetyl chloride,superpalite,acetyl chloride, trichloro,trichloroacetochloride,trichloroacetic acid chloride,ccl3cocl,trichloroacetylchloride,unii-9sn86t76y6,ccris 6764,acetyl chloride, 2,2,2-trichloro
IUPAC Name 2,2,2-trichloroacetyl chloride
InChI Key PVFOMCVHYWHZJE-UHFFFAOYSA-N
Molecular Formula C2Cl4O
43

3-Cyclopentylpropionyl chloride, 98%

CAS: 104-97-2 Molecular Formula: C8H13ClO Molecular Weight (g/mol): 160.64 MDL Number: MFCD00001391 InChI Key: SZQVEGOXJYTLLB-UHFFFAOYSA-N Synonym: 3-cyclopentylpropionyl chloride,cyclopentylpropionyl chloride,cyclopentanepropionyl chloride,3-cyclopentyl propionyl chloride,cyclopentanepropanoyl-chloride,pubchem21363,cyclopentylpropionylchloride,cyclopentanepropanoylchloride,3-cyclopentylpropanyl chloride,cyclopentane propionyl chloride PubChem CID: 66039 IUPAC Name: 3-cyclopentylpropanoyl chloride SMILES: ClC(=O)CCC1CCCC1

PubChem CID 66039
CAS 104-97-2
Molecular Weight (g/mol) 160.64
MDL Number MFCD00001391
SMILES ClC(=O)CCC1CCCC1
Synonym 3-cyclopentylpropionyl chloride,cyclopentylpropionyl chloride,cyclopentanepropionyl chloride,3-cyclopentyl propionyl chloride,cyclopentanepropanoyl-chloride,pubchem21363,cyclopentylpropionylchloride,cyclopentanepropanoylchloride,3-cyclopentylpropanyl chloride,cyclopentane propionyl chloride
IUPAC Name 3-cyclopentylpropanoyl chloride
InChI Key SZQVEGOXJYTLLB-UHFFFAOYSA-N
Molecular Formula C8H13ClO
44

6-Bromohexanoyl chloride, 97%

CAS: 22809-37-6 Molecular Formula: C6H10BrClO Molecular Weight (g/mol): 213.499 MDL Number: MFCD00000761 InChI Key: HBPVGJGBRWIVSX-UHFFFAOYSA-N Synonym: hexanoyl chloride, 6-bromo,6-bromohexanoic acid chloride,6-bromohexanoylchloride,6-bromocaproyl chloride,bromohexanoyl chloride,zlchem 435,acmc-209fyy,6-bromo-hexanoylchloride,6-bromo-hexanoyl chloride,6-bromanylhexanoyl chloride PubChem CID: 89848 IUPAC Name: 6-bromohexanoyl chloride SMILES: C(CCC(=O)Cl)CCBr

PubChem CID 89848
CAS 22809-37-6
Molecular Weight (g/mol) 213.499
MDL Number MFCD00000761
SMILES C(CCC(=O)Cl)CCBr
Synonym hexanoyl chloride, 6-bromo,6-bromohexanoic acid chloride,6-bromohexanoylchloride,6-bromocaproyl chloride,bromohexanoyl chloride,zlchem 435,acmc-209fyy,6-bromo-hexanoylchloride,6-bromo-hexanoyl chloride,6-bromanylhexanoyl chloride
IUPAC Name 6-bromohexanoyl chloride
InChI Key HBPVGJGBRWIVSX-UHFFFAOYSA-N
Molecular Formula C6H10BrClO
45

3-Chlorobenzo[b]thiophene-2-carbonyl chloride, 95%

CAS: 21815-91-8 Molecular Formula: C9H4Cl2OS Molecular Weight (g/mol): 231.09 MDL Number: MFCD00053069 InChI Key: GWKSSMDJEWPKCM-UHFFFAOYSA-N Synonym: 3-chlorobenzo b thiophene-2-carbonyl chloride,3-chlorobenzothiophene-2-carbonyl chloride,3-chloro-benzo b thiophene-2-carbonyl chloride,3-chlorobenzo b thiophen-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 3-chloro,3-chlorobenzo b-2-thiophenecarboxylic acid chloride,acmc-1cne6,3-chlorobenzo b thiophene-2-carbonylchloride,2-chlorocarbonyl-3-chlorobenzo b thiophene,3-chlorobenzo thiophene-2-carbonyl chloride PubChem CID: 519898 IUPAC Name: 3-chloro-1-benzothiophene-2-carbonyl chloride SMILES: ClC(=O)C1=C(Cl)C2=CC=CC=C2S1

PubChem CID 519898
CAS 21815-91-8
Molecular Weight (g/mol) 231.09
MDL Number MFCD00053069
SMILES ClC(=O)C1=C(Cl)C2=CC=CC=C2S1
Synonym 3-chlorobenzo b thiophene-2-carbonyl chloride,3-chlorobenzothiophene-2-carbonyl chloride,3-chloro-benzo b thiophene-2-carbonyl chloride,3-chlorobenzo b thiophen-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 3-chloro,3-chlorobenzo b-2-thiophenecarboxylic acid chloride,acmc-1cne6,3-chlorobenzo b thiophene-2-carbonylchloride,2-chlorocarbonyl-3-chlorobenzo b thiophene,3-chlorobenzo thiophene-2-carbonyl chloride
IUPAC Name 3-chloro-1-benzothiophene-2-carbonyl chloride
InChI Key GWKSSMDJEWPKCM-UHFFFAOYSA-N
Molecular Formula C9H4Cl2OS