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2-Chloropropionic acid

2-Chloropropionic acid structure

CAS No:
598-78-7
Formula:
C3H5ClO2
Chemical Name:
2-Chloropropionic acid
Synonyms:
Propanoic acid,2-chloro-;Propionic acid,2-chloro-;Propionic acid,α-chloro-;2-Chloropropanoic acid;2-Chloropropionic acid;α-Chloropropionic acid;DL-2-Chloropropionic acid;(RS)-2-Chloropropionic acid;(±)-α-Chloropropanoic acid;(±)-2-Chloropropionic acid;(RS)-α-Chloropropionic acid;(±)-2-Chloropropanoic acid;NSC 173;NSC 401806;(RS)-2-Chloropropanoic acid;62138-52-7
Categories:
Organic Chemistry > Carboxylic Acids and Derivatives

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Description

colourless liquid

2-Chloropropionic acid Basic Attributes

Molecular Weight：

108.52

Exact Mass：

108.52

BRN：

1720259

EC Number：

209-952-3

HScode：

29159080

Characteristics

PSA：

37.3

XLogP3：

0.76

Appearance：

Chloropropionic acid appears as a colorless to white colored crystalline solid. Denser than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. Used to make other chemicals.

Density：

1.2585 g/cm³ @ Temp: 20 °C

Melting Point：

-12.1 °C

Boiling Point：

186 °C

Flash Point：

215 °F

Refractive Index：

1.434-1.436

Water Solubility：

H2O: freely soluble

Storage Conditions：

Store below +30°C.

Vapor Pressure：

4 mm Hg ( 20 °C)

Vapor Density：

Relative vapour density (air = 1): 3.75

Toxicity：

Subcutaneous-Guinea Pig LD50: 126 mg/kg

Flammability characteristics：

Flammable; heating to decompose toxic chloride fumes

Explosive limit：

vol% in air: 3.74.3

Odor：

Pungent

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 2511 8/PG 3

wgk germany：

hazard class code：

22-35-21/22

safety instructions：

23-26-28-36-45-36/37/39-28A

RTECS Number：

UE8575000

Marks：

Storage features：

The warehouse is ventilated, low-temperature and dry; stored separately from oxidants and alkalis.

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents, strong bases.

Precautionary statement(s)：

P260, P264, P270, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P405, P501

Hazard Statements：

H302

Toxicity

Toxicity class：

highly toxic

2-Chloropropionic acid Use and Manufacturing

Methods of Manufacturing

The preparation method is to add propionic acid and a certain amount of catalyst PCl3 into the reaction kettle, and pass chlorine gas at 120～125℃ to control the relative density of the reactants to reach the end of the reaction, stop the chlorine gas flow, cool to room temperature, use air or Nitrogen removes excess chlorine and hydrogen chloride, and the product is obtained by fractional distillation under reduced pressure. CH3CH2COOH+Cl2[PCl3]→CH3CHClCOOH+HCl

Uses

Used in organic synthesis and as an intermediate for herbicides

Material

Propionic acid

Downstream Products

Ibuprofen

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2-Chloropropionic Acid CAS 598-78-7

CAS No.: 598-78-7

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2-Chloropropionic acid

Unit Price: $1 /MT EXW

CAS No.: 598-78-7

Grade: industrial Grade

Content: 90%

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