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CAS No 78-76-2 , 2-bromobutane

  • Name: 2-bromobutane
  • Synonyms: 2-bromobutane; Methylethylbromomethane;SEC-BUTYL BROMIDE; Butane; 2-Butyl bromide; 2-bromo-; 78-76-2; 2-Bromo-butane; Secondary butyl bromide; CCRIS 106;
  • CAS Registry Number:
  • Transport: UN 2339
  • Melting Point: -112 ºC
  • Flash Point: 21 ºC
  • Boiling Point: 91 ºC
  • Density: 1.255
  • Refractive index: 1.4359-1.4379
  • Safety Statements: R10;R11;R36/37/38
  • Hazard Symbols: Xi: Irritant;F: Flammable;
  • HS Code: 29033036
  • Flash Point: 21 ºC
  • EINECS: 201-140-7
  • Molecular Weight: 137.01826
  • InchiKey: UPSXAPQYNGXVBF-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H9Br/c1-3-4(2)5/h4H,3H2,1-2H3
  • Risk Statements: S16;S23;S24/25;S26;S37/39
  • Molecular Formula: C4H9Br
  • Molecular Structure:CAS No:78-76-2 2-bromobutane
References of 2-bromobutane
Title: sec-Butyl Bromide
CAS Registry Number: 78-76-2
CAS Name: 2-Bromobutane
Synonyms: methylethylbromomethane
Molecular Formula: C4H9Br
Molecular Weight: 137.02
Percent Composition: C 35.06%, H 6.62%, Br 58.32%
Line Formula: CH3CH2CHBrCH3
Literature References: Prepn: Levene, Marker, J. Biol. Chem. 91, 405 (1931); Kenyon et al., J. Chem. Soc. 1935, 1080; Skau, McCullough, J. Am. Chem. Soc. 57, 2440 (1935); Colson et al., J. Chem. Soc. 1965, 2364. Prepn of optically pure isomers: Goodwin, Hudson, J. Chem. Soc. B 1968, 1333.
 
Derivative Type: dl-Form
Properties: Colorless liquid, pleasant odor. d425 1.2530. bp 91.2°. mp -112°. nD25 1.4344. Insol in water. Freely sol in alcohol, ether.
Melting point: mp -112°
Boiling point: bp 91.2°
Index of refraction: nD25 1.4344
Density: d425 1.2530
 
Derivative Type: d-Form
Properties: nD20 1.4359-1.4362. aD20 +42.64°.
Optical Rotation: aD20 +42.64°
Index of refraction: nD20 1.4359-1.4362
 
Derivative Type: l-Form
Properties: nD20 1.4368. aD20 -43.7°.
Optical Rotation: aD20 -43.7°
Index of refraction: nD20 1.4368
 
CAUTION: Narcotic in high concns.