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HomeProduct name list3-Chloropropyne

3-Chloropropyne

Synonym(s):3-Chloro-1-propyne

  • CAS NO.:624-65-7
  • Empirical Formula: C3H3Cl
  • Molecular Weight: 74.51
  • MDL number: MFCD00000980
  • EINECS: 210-856-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-04-23 16:26:43
3-Chloropropyne Structural

What is 3-Chloropropyne?

Chemical properties

Light yellow liquid

The Uses of 3-Chloropropyne

Intermediate in organic synthesis.

The Uses of 3-Chloropropyne

Propargyl chloride was used to study emission spectra of dissociating propargyl chloride upon photoexcitation at 199 nm. It was used in the synthesis of novel tetraaryl analog of bisphenol A and triaryl analog of bisphenol A propargyl resins.

General Description

Propargyl chloride is an efficient propargylating agent. It generates propargyl radicals by the pulsed laser photolysis.

Hazard

Flammable, moderate fire risk.

Purification Methods

Purify the chloride by fractional distillation at atmospheric pressure. Note that a possible impurity is propargyl alcohol which has has b 114-115o/~760mm (see above). [Henry Chem Ber 8 398 1875.] HIGHLY TOXIC and FLAMMABLE.[Beilstein 1 IV 960.]

Properties of 3-Chloropropyne

Melting point: <-50°C
Boiling point: 58 °C(lit.)
Density  1.03 g/mL at 25 °C(lit.)
vapor pressure  24.08-69.52kPa at 20-50℃
refractive index  n20/D 1.456
Flash point: 7 °F
storage temp.  2-8°C
solubility  benzene: miscible
form  clear liquid
color  Colorless to Red to Green
Water Solubility  Not miscible or difficult to mix with water.
Merck  14,7810
BRN  506005
Exposure limits ACGIH: TWA 20 ppm
OSHA: Ceiling 300 ppm; TWA 200 ppm
NIOSH: IDLH 500 ppm; TWA 100 ppm(375 mg/m3); STEL 150 ppm(560 mg/m3)
Dielectric constant 7.5599999999999996
CAS DataBase Reference 624-65-7(CAS DataBase Reference)
NIST Chemistry Reference 1-Propyne, 3-chloro-(624-65-7)
EPA Substance Registry System 1-Propyne, 3-chloro- (624-65-7)

Safety information for 3-Chloropropyne

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H225:Flammable liquids
H314:Skin corrosion/irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3-Chloropropyne

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