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3-Chloro-1-propyne

3-Chloro-1-propyne structure

CAS No:
624-65-7
Formula:
C3H3Cl
Chemical Name:
3-Chloro-1-propyne
Synonyms:
1-Propyne,3-chloro-;Propyne,3-chloro-;3-Chloro-1-propyne;Propargyl chloride;3-Chloropropyne;2-Propynyl chloride;1-Chloroprop-2-yne;NSC 66411
Categories:
Agrochemicals > Pesticide Intermediates

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Description

Light yellow liquid

3-Chloro-1-propyne Basic Attributes

Molecular Weight：

74.51

Exact Mass：

74.51

BRN：

506005

EC Number：

210-856-9

UNII：

3M62YFL252

NSC Number：

66411

DSSTox ID：

DTXSID4060789

HScode：

2903299090

Characteristics

PSA：

XLogP3：

0.99

Appearance：

colorless flammable liquid

Density：

1.0239 g/cm³ @ Temp: 25 °C

Melting Point：

-78ºC

Boiling Point：

58 °C

Flash Point：

7 °F

Refractive Index：

1.423

Water Solubility：

Not miscible or difficult to mix with water.benzene: miscible

Storage Conditions：

2-8°C

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 3286 3/PG 2

wgk germany：

hazard class code：

11-23/24/25-34-65-48/20-63

safety instructions：

16-26-36/37/39-45-27-62

Marks：

F,T,C

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P284, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P320, P321, P322, P330, P361, P363, P370+P378, P403+P233, P403+P235, P405, P501

Hazard Statements：

H225

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P284, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P320, P321, P322, P330, P361, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 294 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

propargyl chloride

3-Chloro-1-propyne Use and Manufacturing

Methods of Manufacturing

The preparation method is to add phosphorus trichloride and solvent xylene into the reaction bottle, cool to 0℃, dropwise add propargyl alcohol under stirring, and after the dripping is completed, raise the temperature to 80℃ to react, and then perform post-treatment and rectification. Chloropropyne. Reaction equation: HC≡C—CH2OH+PCl3→HC≡C—CH2Cl+H3PO3

Uses

It can be used to synthesize pharmaceutical uridine, and it can also be used to make pesticide soil fumigant; currently it is used to synthesize electroplating intermediates, pharmaceutical intermediates and pesticide intermediates. It itself is an excellent metal corrosion inhibitor and rust inhibitor; chloropropyne is an intermediate of pyrethroid and propargyl.

Manufacturing Info：

1-Propyne, 3-chloro-: ACTIVE

Computed Properties

Molecular Weight:74.51
XLogP3:0.9
Exact Mass:73.9923278
Monoisotopic Mass:73.9923278
Heavy Atom Count:4
Complexity:38.5
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Phosphorus trichloride

Kerosene

Downstream Products

Benzene

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