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38771-21-0

38771-21-0 structure
38771-21-0 structure
  • Name: 4-Bromo-1-butyne
  • Chemical Name: 4-bromobut-1-yne
  • CAS Number: 38771-21-0
  • Molecular Formula: C4H5Br
  • Molecular Weight: 132.986
  • Create Date: 2018-09-18 11:18:48
  • Modify Date: 2024-01-02 20:06:06

Name 4-bromobut-1-yne
Synonyms 1-Bromo-3-butyne
4-bromo-butyne
1-Butyne, 4-bromo-
4-Bromo-1-butyne
1-Butyne,4-bromo
3-Butynyl Bromide
4-Bromobut-1-yne
1-bromo-3-butynol
4-bromo-but-1-yne
homopropargyl bromide
Density 1.5±0.1 g/cm3
Boiling Point 118.3±23.0 °C at 760 mmHg
Molecular Formula C4H5Br
Molecular Weight 132.986
Flash Point 32.3±17.0 °C
Exact Mass 131.957458
LogP 1.72
Vapour Pressure 20.0±0.2 mmHg at 25°C
Index of Refraction 1.483
Storage condition 2~8℃
Hazard Codes T: Toxic;
Risk Phrases R10;R25;R43
Safety Phrases S36/37-S45
RIDADR 2811.0
HS Code 2903399090
HS Code 2903399090
Summary 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%