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5-Chloro-2,3-difluoropyridine structure
5-Chloro-2,3-difluoropyridine structure

5-Chloro-2,3-difluoropyridine

Iupac Name:5-chloro-2,3-difluoropyridine
CAS No.: 89402-43-7
Molecular Weight:149.525
Modify Date.: 2022-02-11 09:57
Introduction: 5-Chloro-2,3-difluoropyridine is a 2,3,5-trihalopyridine used in the preparation of the herbicides and pesticides such as chodinafop-propargyl. 5-Chloro-2,3-difluoropyridineSupplier View more+
1. Names and Identifiers
1.1 Name
5-Chloro-2,3-difluoropyridine
1.2 Synonyms

2,3-Difluoro-5-Chloro 2,3-DIFLUORO-5-CHLOROPYRIDIN 2,3-DIFLUORO-5-CHLOROPYRIDINE 2,3-Difulor-5-Chloropyridine 3-Chloro-5,6-difluoropyridine intermediate for Clodinafop-propargyl Pyridine, 5-chloro-2,3-difluoro-

1.3 CAS No.
89402-43-7
1.4 CID
2783248
1.5 EINECS(EC#)
410-090-7; 618-273-5
1.6 Molecular Formula
C5H2ClF2N (isomer)
1.7 Inchi
InChI=1S/C5H2ClF2N/c6-3-1-4(7)5(8)9-2-3/h1-2H
1.8 InChkey
PERMDYZFNQIKBL-UHFFFAOYSA-N
1.9 Canonical Smiles
C1=C(C=NC(=C1F)F)Cl
1.10 Isomers Smiles
C1=C(C=NC(=C1F)F)Cl
2. Properties
3.1 Density
1.442
3.1 Melting point
47-49°C
3.1 Boiling point
142.4°C at 760 mmHg
3.1 Refractive index
1.4738
3.1 Flash Point
39.9°C
3.1 Precise Quality
148.98400
3.1 PSA
12.89000
3.1 logP
2.01320
3.1 Appearance
Colourless liquid
3.2 Storage
Ambient temperatures.
3.3 pKa
-5.14±0.20(Predicted)
3. Use and Manufacturing
4.1 Usage
5-Chloro-2,3-difluoropyridine is a 2,3,5-trihalopyridine used in the preparation of the herbicides and pesticides such as chodinafop-propargyl. 5-Chloro-2,3-difluoropyridineSupplier
4. Safety and Handling
5.1 Hazard Codes
Xi; Xn
5.1 Risk Statements
R22;R52/53
5.1 Safety Statements
S23;S36
5.1 Packing Group
III
5.1 Hazard Class
IRRITANT
5.1 RIDADR
2810
5.1 WGK Germany
3
5.1 Safety

Safty information about?2,3-Difluoro-5-Chloropyridine (CAS NO.89402-43-7) :
Hazard Codes:
Xi: IrritantHarmful
Xn: HarmfulIrritant
Risk Statements:
R22:Harmful if swallowed.??
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.?
R10:Flammable.?
R36/37/38:Irritating to eyes, respiratory system and skin.?
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements:
S23:Do not breathe vapour.??
S36:Wear suitable protective clothing.?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
RIDADR: 2810
Hazard Note: Harmful
PackingGroup: III

5.2 Specification

Product Categories about?2,3-Difluoro-5-Chloropyridine (CAS NO.89402-43-7) is?blocks ; FluoroCompounds ; Pyridines ; Pyridine ; Chloropyridines ; Fluoropyridines ; Halopyridines .

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Flammable liquids, Category 3

Acute toxicity - Oral, Category 4

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H226 Flammable liquid and vapour

H302 Harmful if swallowed

H412 Harmful to aquatic life with long lasting effects

Precautionary statement(s)
Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

P233 Keep container tightly closed.

P240 Ground and bond container and receiving equipment.

P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.

P242 Use non-sparking tools.

P243 Take action to prevent static discharges.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P273 Avoid release to the environment.

Response

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P370+P378 In case of fire: Use ... to extinguish.

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell.

P330 Rinse mouth.

Storage

P403+P235 Store in a well-ventilated place. Keep cool.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

8. Computational chemical data
  • Molecular Weight: 149.525g/mol
  • Molecular Formula: C5H2ClF2N
  • Compound Is Canonicalized: True
  • XLogP3-AA: 2
  • Exact Mass: 148.9843831
  • Monoisotopic Mass: 148.9843831
  • Complexity: 101
  • Rotatable Bond Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Topological Polar Surface Area: 12.9
  • Heavy Atom Count: 9
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Isotope Atom Count: 0
  • Covalently-Bonded Unit Count: 1
  • CACTVS Substructure Key Fingerprint: AAADcQBiAYAEAAAAAAAAAAAAAAAAAAAAAAAsAAAAAAAAAAABgAAAHQIAAAAACALBEiw8gJIIEACgADBnRACCgCAxBSAA2CAoRpgIIOLBk5HEIAhggADIyAYQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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5-Chloro-2,3-difluoropyridine C5H2ClF2N CAS 89402-43-7
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