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| CAS No.: | 35730-09-7 |
|---|---|
| Name: | 2,5-Difluorobenzoyl chloride |
| Article Data: | 8 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H3ClF2O |
| Molecular Weight: | 176.55 |
| Synonyms: | 2,5-Difluorobenzoylchloride;2,5-Difluorobenzoyl chloride; |
| EINECS: | 252-701-8 |
| Density: | 1.42 g/cm3 |
| Melting Point: | 73-74 °C |
| Boiling Point: | 183.8 °C at 760 mmHg |
| Flash Point: | 64.9 °C |
| Appearance: | clear colorless liquid |
| Hazard Symbols: |
 C
|
| Risk Codes: | 34 |
| Safety: | 45-36/37/39-25-26 |
| Transport Information: | UN 2920 |
| PSA: | 17.07000 |
| LogP: | 2.34380 |
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2,5-difluorobenzoic acid
- 35730-09-7
2,5-difluorobenzoyl chloride
| Conditions | Yield |
|---|---|
| Stage #1: 2,5-difluorobenzoic acid With N,N-dimethyl-formamide In dichloromethane at 0℃; for 0.0833333h; Stage #2: With oxalyl dichloride In dichloromethane at 20℃; for 12h; | 100% |
| With thionyl chloride Heating; | 97% |
| With sulfuryl dichloride for 4h; Heating; | 73% |
- 540-36-3
para-difluorobenzene
- 35730-09-7
2,5-difluorobenzoyl chloride
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 1.) sec-BuLi / 1.) THF, -78 deg C, 0.5 h, 2.) THF, a) -78 deg C, 15 min, b) from -78 deg C to RT 2: 73 percent / SO2Cl / 4 h / Heating View Scheme |
| Conditions | Yield |
|---|---|
| In dichloromethane at 0 - 20℃; for 4h; | 100% |
| In dichloromethane at 20℃; for 0 - 20h; | 97% |
| In dichloromethane at 0 - 20℃; |
- 1117-37-9
ethyl (E)-3-(dimethylamino)acrylate
- 35730-09-7
2,5-difluorobenzoyl chloride
- 887124-70-1
ethyl 2-(2,5-difluorobenzoyl)-3-(dimethylamino)acrylate
| Conditions | Yield |
|---|---|
| With triethylamine In toluene at 90℃; for 2h; | 100% |
- 35730-09-7
2,5-difluorobenzoyl chloride
- 65370-84-5
1,3,4,6-tetra-O-acetyl-β-D-galactopyranose
- 866529-11-5
1,3,4,6-tetra-O-acetyl-2-O-(2,5-difluorobenzoyl)-β-D-galactopyranose
| Conditions | Yield |
|---|---|
| With pyridine; dmap for 18h; | 96% |
| Conditions | Yield |
|---|---|
| With pyridine In tetrahydrofuran at 0℃; for 0.166667h; | 96% |
- 35730-09-7
2,5-difluorobenzoyl chloride
- 609-21-2
2,6-dibromo-4-aminophenol
- 1126079-02-4
N-(3,5-dibromo-4-hydroxyphenyl)-2,5-difluorobenzamide
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 20℃; for 1h; | 95% |
- 13637-38-2
1-methyl-2-indolinethione
- 35730-09-7
2,5-difluorobenzoyl chloride
- 1449796-09-1
2-fluoro-6-methylthiochromeno[2,3-b]indol-11(6H)-one
| Conditions | Yield |
|---|---|
| With potassium carbonate In N,N-dimethyl-formamide at 20 - 85℃; for 5h; Inert atmosphere; | 95% |
- 73425-20-4
1-phenylindoline-2-thione
- 35730-09-7
2,5-difluorobenzoyl chloride
- 1449796-11-5
2-fluoro-6-phenylthiochromeno[2,3-b]indol-11(6H)-one
| Conditions | Yield |
|---|---|
| With potassium carbonate In N,N-dimethyl-formamide at 20 - 85℃; for 5h; Inert atmosphere; | 94% |
- 35730-09-7
2,5-difluorobenzoyl chloride
- 454664-77-8
ethyl 4,6-O-benzylidene-3-O-p-methoxybenzyl-1-thio-α-D-mannopyranoside
- 1451181-01-3
ethyl 4,6-O-benzylidene-2-O-(2,5-difluorobenzoyl)-3-O-p-methoxybenzyl-1-thio-α-D-mannopyranoside
| Conditions | Yield |
|---|---|
| With pyridine; dmap at 20℃; for 44h; Inert atmosphere; | 94% |
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Chemistry
The density of 2,5-Difluorobenzoyl chloride(35730-09-7) is 1.42 and it has a boiling point of 92-93 °C (34 mmHg) . The refractive index is about 1.514-1.516 . Its flash point is 59 °C .
The chemical synonyms of 2,5-Difluorobenzoyl chloride(35730-09-7) are 2,5-DIFLUOROBENZOYL CHLORIDE;2,5-Difluorobenzoyl chloride 98%;2,5-Difluorobenzoylchloride98%;Benzoyl chloride, 2,5-difluoro-;2,5-Difluorobenzoic acid chloride
The molecular structure of 2,5-Difluorobenzoyl chloride(35730-09-7):
Toxicity Data With Reference
LD50/LC50: RTECS: Not available.
Carcinogenicity: 2,5-Difluorobenzoyl chloride - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Safety Profile
Risk Statements 34
Safety Statements 45-36/37/39-25-26
RIDADR 3265
Hazard Note Corrosive
HazardClass 8
PackingGroup II
Specification
Conditions to Avoid: Incompatible materials, moisture.
Incompatibilities with Other Materials Strong oxidizing agents, strong bases.
Hazardous Decomposition Products Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen fluoride gas.
Hazardous Polymerization Will not occur.