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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 (578)
Acyl bromides (38)
Acyl fluorides (5)

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Acetyl chloride, 98%

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
2
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Terephthaloyl chloride, 99%

CAS: 100-20-9 Molecular Formula: C8H4Cl2O2 Molecular Weight (g/mol): 203.02 MDL Number: MFCD00000693 InChI Key: LXEJRKJRKIFVNY-UHFFFAOYSA-N Synonym: terephthaloyl chloride,terephthaloyl dichloride,1,4-benzenedicarbonyl dichloride,terephthalic acid dichloride,terephthalic dichloride,p-phthaloyl chloride,terephthalic acid chloride,p-phthalyl dichloride,p-phthaloyl dichloride,terephthalyl dichloride PubChem CID: 7488 IUPAC Name: benzene-1,4-dicarbonyl chloride SMILES: ClC(=O)C1=CC=C(C=C1)C(Cl)=O

PubChem CID 7488
CAS 100-20-9
Molecular Weight (g/mol) 203.02
MDL Number MFCD00000693
SMILES ClC(=O)C1=CC=C(C=C1)C(Cl)=O
Synonym terephthaloyl chloride,terephthaloyl dichloride,1,4-benzenedicarbonyl dichloride,terephthalic acid dichloride,terephthalic dichloride,p-phthaloyl chloride,terephthalic acid chloride,p-phthalyl dichloride,p-phthaloyl dichloride,terephthalyl dichloride
IUPAC Name benzene-1,4-dicarbonyl chloride
InChI Key LXEJRKJRKIFVNY-UHFFFAOYSA-N
Molecular Formula C8H4Cl2O2
3
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2-Methoxybenzoyl chloride, 97%

CAS: 21615-34-9 Molecular Formula: C8H7ClO2 Molecular Weight (g/mol): 170.592 MDL Number: MFCD00000664 InChI Key: RZNHSEZOLFEFGB-UHFFFAOYSA-N Synonym: o-anisoyl chloride,methoxybenzoyl chloride,benzoyl chloride, 2-methoxy,o-methoxybenzoyl chloride,2-methoxybenzoic acid chloride,2-methoxybenzoylchloride,o-anisoylchloride,2-anisoyl chloride,o-anisic acid chloride,acmc-1cbfi PubChem CID: 88969 IUPAC Name: 2-methoxybenzoyl chloride SMILES: COC1=CC=CC=C1C(=O)Cl

PubChem CID 88969
CAS 21615-34-9
Molecular Weight (g/mol) 170.592
MDL Number MFCD00000664
SMILES COC1=CC=CC=C1C(=O)Cl
Synonym o-anisoyl chloride,methoxybenzoyl chloride,benzoyl chloride, 2-methoxy,o-methoxybenzoyl chloride,2-methoxybenzoic acid chloride,2-methoxybenzoylchloride,o-anisoylchloride,2-anisoyl chloride,o-anisic acid chloride,acmc-1cbfi
IUPAC Name 2-methoxybenzoyl chloride
InChI Key RZNHSEZOLFEFGB-UHFFFAOYSA-N
Molecular Formula C8H7ClO2
4
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Thiophene-3-carbonyl chloride, 97%, Thermo Scientific Chemicals

CAS: 41507-35-1 Molecular Formula: C5H3ClOS Molecular Weight (g/mol): 146.59 MDL Number: MFCD00130090 InChI Key: QTWBEVAYYDZLQL-UHFFFAOYSA-N Synonym: 3-thiophenecarbonyl chloride,3-thenoyl chloride,3-thiophenecarboxylic acid chloride,3-thiophenecarbonylchloride,pubchem5597,3-chlorocarbonyl thiophene,3-thiophene carbonyl chloride,thiophene-3-carboxylic acid chloride,thiophene-3-carbonyl chloride,3-thiophenecarbonyl chloride 6ci, 9ci PubChem CID: 2776377 IUPAC Name: thiophene-3-carbonyl chloride SMILES: ClC(=O)C1=CSC=C1

PubChem CID 2776377
CAS 41507-35-1
Molecular Weight (g/mol) 146.59
MDL Number MFCD00130090
SMILES ClC(=O)C1=CSC=C1
Synonym 3-thiophenecarbonyl chloride,3-thenoyl chloride,3-thiophenecarboxylic acid chloride,3-thiophenecarbonylchloride,pubchem5597,3-chlorocarbonyl thiophene,3-thiophene carbonyl chloride,thiophene-3-carboxylic acid chloride,thiophene-3-carbonyl chloride,3-thiophenecarbonyl chloride 6ci, 9ci
IUPAC Name thiophene-3-carbonyl chloride
InChI Key QTWBEVAYYDZLQL-UHFFFAOYSA-N
Molecular Formula C5H3ClOS
5
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tert-Butylacetyl chloride, 98+%

CAS: 7065-46-5 Molecular Formula: C6H11ClO Molecular Weight (g/mol): 134.603 MDL Number: MFCD00000737 InChI Key: BUTKIHRNYUEGKB-UHFFFAOYSA-N Synonym: 3,3-dimethylbutyryl chloride,tert-butylacetyl chloride,t-butylacetyl chloride,butanoyl chloride, 3,3-dimethyl,3,3-dimethyl butyryl chloride,tert-butyl acetyl chloride,neohexanoyl chloride,t-butylacetylchloride,tertbutylacetylchloride,pubchem2093 PubChem CID: 81514 IUPAC Name: 3,3-dimethylbutanoyl chloride SMILES: CC(C)(C)CC(=O)Cl

PubChem CID 81514
CAS 7065-46-5
Molecular Weight (g/mol) 134.603
MDL Number MFCD00000737
SMILES CC(C)(C)CC(=O)Cl
Synonym 3,3-dimethylbutyryl chloride,tert-butylacetyl chloride,t-butylacetyl chloride,butanoyl chloride, 3,3-dimethyl,3,3-dimethyl butyryl chloride,tert-butyl acetyl chloride,neohexanoyl chloride,t-butylacetylchloride,tertbutylacetylchloride,pubchem2093
IUPAC Name 3,3-dimethylbutanoyl chloride
InChI Key BUTKIHRNYUEGKB-UHFFFAOYSA-N
Molecular Formula C6H11ClO
6
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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
7
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4-tert-Butylbenzoyl chloride, 98%

CAS: 1710-98-1 Molecular Formula: C11H13ClO Molecular Weight (g/mol): 196.67 MDL Number: MFCD00000695 InChI Key: WNLMYNASWOULQY-UHFFFAOYSA-N PubChem CID: 74372 IUPAC Name: 4-tert-butylbenzoyl chloride SMILES: CC(C)(C)C1=CC=C(C=C1)C(Cl)=O

PubChem CID 74372
CAS 1710-98-1
Molecular Weight (g/mol) 196.67
MDL Number MFCD00000695
SMILES CC(C)(C)C1=CC=C(C=C1)C(Cl)=O
IUPAC Name 4-tert-butylbenzoyl chloride
InChI Key WNLMYNASWOULQY-UHFFFAOYSA-N
Molecular Formula C11H13ClO
8
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Nicotinoyl chloride hydrochloride, 96%

CAS: 20260-53-1 Molecular Formula: C6H5Cl2NO Molecular Weight (g/mol): 178.012 MDL Number: MFCD00012820 InChI Key: MSYBLBLAMDYKKZ-UHFFFAOYSA-N Synonym: nicotinoyl chloride hydrochloride,pyridine-3-carbonyl chloride hydrochloride,nicotinoyl chloride, hydrochloride,3-pyridinecarbonyl chloride, hydrochloride,3-pyridinecarbonyl chloride hydrochloride,nicotinic acid chloride hydrochloride,nicotinoylchloride hydrochloride,3-pyridinecarbonyl chloride, hydrochloride 1:1,nicotinyl chloride hydrochloride,nicotinoyl chloride hcl PubChem CID: 88438 IUPAC Name: pyridine-3-carbonyl chloride;hydrochloride SMILES: C1=CC(=CN=C1)C(=O)Cl.Cl

PubChem CID 88438
CAS 20260-53-1
Molecular Weight (g/mol) 178.012
MDL Number MFCD00012820
SMILES C1=CC(=CN=C1)C(=O)Cl.Cl
Synonym nicotinoyl chloride hydrochloride,pyridine-3-carbonyl chloride hydrochloride,nicotinoyl chloride, hydrochloride,3-pyridinecarbonyl chloride, hydrochloride,3-pyridinecarbonyl chloride hydrochloride,nicotinic acid chloride hydrochloride,nicotinoylchloride hydrochloride,3-pyridinecarbonyl chloride, hydrochloride 1:1,nicotinyl chloride hydrochloride,nicotinoyl chloride hcl
IUPAC Name pyridine-3-carbonyl chloride;hydrochloride
InChI Key MSYBLBLAMDYKKZ-UHFFFAOYSA-N
Molecular Formula C6H5Cl2NO
9

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
10
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Acetoxyacetyl chloride, 97%

CAS: 13831-31-7 Molecular Formula: C4H5ClO3 Molecular Weight (g/mol): 136.53 MDL Number: MFCD00011535 InChI Key: HZDNNJABYXNPPV-UHFFFAOYSA-N Synonym: acetoxyacetyl chloride,2-acetoxyacetyl chloride,unii-z4s19y2f8s,acetoxyacetylchloride,acetyl chloride, acetyloxy,acetoxyacetic acid chloride,chlorocarbonyl methyl acetate,acetoxy acetylchloride,acetyloxyacetyl chloride,pubchem20920 PubChem CID: 26297 IUPAC Name: (2-chloro-2-oxoethyl) acetate SMILES: CC(=O)OCC(=O)Cl

PubChem CID 26297
CAS 13831-31-7
Molecular Weight (g/mol) 136.53
MDL Number MFCD00011535
SMILES CC(=O)OCC(=O)Cl
Synonym acetoxyacetyl chloride,2-acetoxyacetyl chloride,unii-z4s19y2f8s,acetoxyacetylchloride,acetyl chloride, acetyloxy,acetoxyacetic acid chloride,chlorocarbonyl methyl acetate,acetoxy acetylchloride,acetyloxyacetyl chloride,pubchem20920
IUPAC Name (2-chloro-2-oxoethyl) acetate
InChI Key HZDNNJABYXNPPV-UHFFFAOYSA-N
Molecular Formula C4H5ClO3
11
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Methyl 4-chlorocarbonylbenzoate, 98%

CAS: 7377-26-6 Molecular Formula: C9H7ClO3 Molecular Weight (g/mol): 198.602 MDL Number: MFCD00059486 InChI Key: CVXXHXPNTZBZEL-UHFFFAOYSA-N Synonym: methyl 4-chlorocarbonyl benzoate,methyl 4-chlorocarbonylbenzoate,methyl 4-chloroformyl benzoate,terephthalic acid monomethyl ester chloride,methyl 4-carbonochloridoyl benzoate,methyl terephthaloyl chloride,benzoic acid, 4-chlorocarbonyl-, methyl ester,4-chlorocarbonyl-benzoic acid methyl ester,4-carbomethoxybenzoylchloride,4-chlorocarbonylbenzoic acid methyl ester PubChem CID: 81850 IUPAC Name: methyl 4-carbonochloridoylbenzoate SMILES: COC(=O)C1=CC=C(C=C1)C(=O)Cl

PubChem CID 81850
CAS 7377-26-6
Molecular Weight (g/mol) 198.602
MDL Number MFCD00059486
SMILES COC(=O)C1=CC=C(C=C1)C(=O)Cl
Synonym methyl 4-chlorocarbonyl benzoate,methyl 4-chlorocarbonylbenzoate,methyl 4-chloroformyl benzoate,terephthalic acid monomethyl ester chloride,methyl 4-carbonochloridoyl benzoate,methyl terephthaloyl chloride,benzoic acid, 4-chlorocarbonyl-, methyl ester,4-chlorocarbonyl-benzoic acid methyl ester,4-carbomethoxybenzoylchloride,4-chlorocarbonylbenzoic acid methyl ester
IUPAC Name methyl 4-carbonochloridoylbenzoate
InChI Key CVXXHXPNTZBZEL-UHFFFAOYSA-N
Molecular Formula C9H7ClO3
12
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3-Nitrobenzoyl chloride, 98%

CAS: 121-90-4 Molecular Formula: C7H4ClNO3 Molecular Weight (g/mol): 185.563 MDL Number: MFCD00007247 InChI Key: NXTNASSYJUXJDV-UHFFFAOYSA-N Synonym: m-nitrobenzoyl chloride,benzoyl chloride, 3-nitro,benzoyl chloride, m-nitro,3-nitro-benzoyl chloride,ccris 1186,m-nitrobenzoylchloride,chlorid kyseliny m-nitrobenzoove,3-nitrobenzoylchloride,chlorid kyseliny m-nitrobenzoove czech,m-nitrobenzoylchlorid PubChem CID: 8495 IUPAC Name: 3-nitrobenzoyl chloride SMILES: C1=CC(=CC(=C1)[N+](=O)[O-])C(=O)Cl

PubChem CID 8495
CAS 121-90-4
Molecular Weight (g/mol) 185.563
MDL Number MFCD00007247
SMILES C1=CC(=CC(=C1)[N+](=O)[O-])C(=O)Cl
Synonym m-nitrobenzoyl chloride,benzoyl chloride, 3-nitro,benzoyl chloride, m-nitro,3-nitro-benzoyl chloride,ccris 1186,m-nitrobenzoylchloride,chlorid kyseliny m-nitrobenzoove,3-nitrobenzoylchloride,chlorid kyseliny m-nitrobenzoove czech,m-nitrobenzoylchlorid
IUPAC Name 3-nitrobenzoyl chloride
InChI Key NXTNASSYJUXJDV-UHFFFAOYSA-N
Molecular Formula C7H4ClNO3
13
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2,4,6-Trimethylbenzoyl chloride, 98%

CAS: 938-18-1 Molecular Formula: C10H11ClO Molecular Weight (g/mol): 182.65 MDL Number: MFCD00013650 InChI Key: UKRQMDIFLKHCRO-UHFFFAOYSA-N Synonym: mesitoyl chloride,benzoyl chloride, 2,4,6-trimethyl,2,4,6-trimethylbenzoylchloride,2,4,6-trimethyl-benzoyl chloride,pubchem13234,acmc-209rno,2-mesitylenecarbonyl chloride,ksc491c5b,2,4,6trimethylbenzoyl chloride,2,4,6-trimethylbenzoyl cloride PubChem CID: 97038 IUPAC Name: 2,4,6-trimethylbenzoyl chloride SMILES: CC1=CC(=C(C(=C1)C)C(=O)Cl)C

PubChem CID 97038
CAS 938-18-1
Molecular Weight (g/mol) 182.65
MDL Number MFCD00013650
SMILES CC1=CC(=C(C(=C1)C)C(=O)Cl)C
Synonym mesitoyl chloride,benzoyl chloride, 2,4,6-trimethyl,2,4,6-trimethylbenzoylchloride,2,4,6-trimethyl-benzoyl chloride,pubchem13234,acmc-209rno,2-mesitylenecarbonyl chloride,ksc491c5b,2,4,6trimethylbenzoyl chloride,2,4,6-trimethylbenzoyl cloride
IUPAC Name 2,4,6-trimethylbenzoyl chloride
InChI Key UKRQMDIFLKHCRO-UHFFFAOYSA-N
Molecular Formula C10H11ClO
14
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4-n-Hexylbenzoyl chloride, 98%

CAS: 50606-95-6 Molecular Formula: C13H17ClO Molecular Weight (g/mol): 224.73 MDL Number: MFCD00000701 InChI Key: XRAHLPNMIIAEPP-UHFFFAOYSA-N Synonym: 4-n-hexylbenzoyl chloride,benzoyl chloride, 4-hexyl,p-hexylbenzoyl chloride,4-n-hexylbenzoylchloride,4-n-hexyl-benzoyl chloride,4-hexylbenzoyl chloride,para-n-hexyl benzoic acid chloride,4-hexylbenzene-1-carbonyl chloride PubChem CID: 170863 IUPAC Name: 4-hexylbenzoyl chloride SMILES: CCCCCCC1=CC=C(C=C1)C(Cl)=O

PubChem CID 170863
CAS 50606-95-6
Molecular Weight (g/mol) 224.73
MDL Number MFCD00000701
SMILES CCCCCCC1=CC=C(C=C1)C(Cl)=O
Synonym 4-n-hexylbenzoyl chloride,benzoyl chloride, 4-hexyl,p-hexylbenzoyl chloride,4-n-hexylbenzoylchloride,4-n-hexyl-benzoyl chloride,4-hexylbenzoyl chloride,para-n-hexyl benzoic acid chloride,4-hexylbenzene-1-carbonyl chloride
IUPAC Name 4-hexylbenzoyl chloride
InChI Key XRAHLPNMIIAEPP-UHFFFAOYSA-N
Molecular Formula C13H17ClO
15
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4-Methoxybenzoyl chloride, 97%

CAS: 100-07-2 Molecular Formula: C8H7ClO2 Molecular Weight (g/mol): 170.59 MDL Number: MFCD00000687 InChI Key: MXMOTZIXVICDSD-UHFFFAOYSA-N Synonym: p-anisoyl chloride,benzoyl chloride, 4-methoxy,anisoyl chloride,4-anisoyl chloride,p-methoxybenzoyl chloride,4-methoxybenzoylchloride,4-methoxybenzoic acid chloride,benzoyl chloride, p-methoxy,p-methoxybenzoic acid chloride,4-methoxy-benzoyl chloride PubChem CID: 7477 IUPAC Name: 4-methoxybenzoyl chloride SMILES: COC1=CC=C(C=C1)C(Cl)=O

PubChem CID 7477
CAS 100-07-2
Molecular Weight (g/mol) 170.59
MDL Number MFCD00000687
SMILES COC1=CC=C(C=C1)C(Cl)=O
Synonym p-anisoyl chloride,benzoyl chloride, 4-methoxy,anisoyl chloride,4-anisoyl chloride,p-methoxybenzoyl chloride,4-methoxybenzoylchloride,4-methoxybenzoic acid chloride,benzoyl chloride, p-methoxy,p-methoxybenzoic acid chloride,4-methoxy-benzoyl chloride
IUPAC Name 4-methoxybenzoyl chloride
InChI Key MXMOTZIXVICDSD-UHFFFAOYSA-N
Molecular Formula C8H7ClO2