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Home > Encyclopedia > 2-Chloro-4-fluorobenzonitrile

2-Chloro-4-fluorobenzonitrile

2-Chloro-4-fluorobenzonitrile structure

2-Chloro-4-fluorobenzonitrile 

structure
  • CAS No:

    60702-69-4

  • Formula:

    C7H3ClFN

  • Chemical Name:

    2-Chloro-4-fluorobenzonitrile

  • Synonyms:

    Benzonitrile,2-chloro-4-fluoro-;2-Chloro-4-fluorobenzonitrile;4-Fluoro-2-chlorobenzonitrile

  • Categories:

    Organic Chemistry  >  Organic Fluorine Compound

Description

semi-transparent crystalline chunks

2-Chloro-4-fluorobenzonitrile Basic Attributes

155.56

155.56

6323034

262-384-8

DTXSID30209524

2926909090

Characteristics

23.8

2.4

White glistening crystals. Crystals.

1.3±0.1 g/cm3

64-66 °C(lit.)

233.4°C at 760 mmHg

95.0±21.8 °C

1.537

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Information

III

6.1

3439

3

20/21/22-36/37/38

26-36-36/37/39

Xn,Xi

Harmful/Irritant

Stable at room temperature in closed containers under normal storage and handling conditions.

P261-P280-P305 + P351 + P338

H302-H312-H315-H319-H332-H335

|Danger|H302 (93.33%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 45 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Chloro-4-fluorobenzonitrile Use and Manufacturing

Methods of Manufacturing

General procedure: A solution of 2 M Na2CO3 (10 mL) was added under nitrogen to a 2-bromoaniline (10 mmol) in 60 mL dioxane. After 5 min stirring at 75 C, Pd[P(C6H5)3]4 was added followed by (10 mmol) of a 2-cyanophenylboronic acid pinacol ester. The reaction was stirred 8 h at 100 C. After cooling to rt the mixture was vacuum concentrated to half of its initial volume and extracted with CH2Cl2 (30 mL) and water (30 mL). The aqueous phase was extracted with CH2Cl2 (3×20 mL). The combined organic layers were washed with brine, dried over Na2SO4 and evaporated. The solid crystallized upon concentration.Step 1: Synthesis of 9-fluoro-6-phenanthridinamine To a solution of Step 1: synthesis of 9-fluoro-6-phenanthridine amine Ethanol (64 mL) was added to a stirred solution ofNH2OH·HCl (2.40 g, 34 mmol, 1.3 eq.) and Na2CO3(1.83 g, 17 mmol, 0.65 eq.) in water (16 mL). Afterstirring for 25 min, a) 2-Chloro-4-(2H-1, 2, 3-friazol-2-yl)benzonitrile I71 A mixture of 2H-1, 2, 3-triazole (553 mg, 8.0 mmol) and NaH (60% dispersion in oil, 192 mg, 4.8 mmol) in DMF (20 ml.) was stirred at 0 C for 30 min, then a solution of a) 2-Chloro-4-(2H-1, 2, 3-friazol-2-yl)benzonitrile I71 A mixture of 2H-1, 2, 3-triazole (553 mg, 8.0 mmol) and NaH (60% dispersion in oil, 192 mg, 4.8 mmol) in DMF (20 ml.) was stirred at 0 C for 30 min, then a solution of

Uses

Intermediate for medicine, pesticide, liquid crystal material.

Computed Properties

Molecular Weight:155.55
XLogP3:2.4
Hydrogen Bond Acceptor Count:2
Exact Mass:154.9938050
Monoisotopic Mass:154.9938050
Topological Polar Surface Area:23.8
Heavy Atom Count:10
Complexity:162
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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