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HomeProduct name list1,4-Dichloro-2-butyne

1,4-Dichloro-2-butyne

  • CAS NO.:821-10-3
  • Empirical Formula: C4H4Cl2
  • Molecular Weight: 122.98
  • MDL number: MFCD00000981
  • EINECS: 212-474-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-05-28 19:59:05
1,4-Dichloro-2-butyne Structural

What is 1,4-Dichloro-2-butyne?

Chemical properties

CLEAR COLORLESS TO YELLOWISH LIQUID

The Uses of 1,4-Dichloro-2-butyne

1,4-Dichloro-2-butyne used in the synthesis of 1,4-disubstituted 1,2,3-triazoles. Also, it is used in the approach of the 20S-camptothecin family of antitumor agents.

Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic fumes of Cl-. Probably a dangerous fKe and explosion hazard. See also ACETYLENE COMPOUNDS and CHLORINATED HYDROCARBONS, ALIPHATIC

Properties of 1,4-Dichloro-2-butyne

Melting point: 162-165 °C
Boiling point: 165-168 °C (lit.)
Density  1.258 g/mL at 25 °C (lit.)
refractive index  n20/D 1.505(lit.)
Flash point: 320 °F
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form  Oil
color  Clear Colourless
Sensitive  Light Sensitive
BRN  635740
CAS DataBase Reference 821-10-3(CAS DataBase Reference)
NIST Chemistry Reference 2-Butyne, 1,4-dichloro-(821-10-3)
EPA Substance Registry System 1,4-Dichloro-2-butyne (821-10-3)

Safety information for 1,4-Dichloro-2-butyne

Signal word Warning
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H301:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.
P501:Dispose of contents/container to..…

Computed Descriptors for 1,4-Dichloro-2-butyne

InChIKey RCHDLEVSZBOHOS-UHFFFAOYSA-N

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