''sec''-Butylamine

sec-Butylamine
Names
Preferred IUPAC name
Butan-2-amine
Other names
  • 2-Aminobutane
  • 2-Butanamine
  • (±)-sec-Butylamine
  • DL-sec-Butylamine
  • 1-Methylpropylamine
  • Mono-sec-butylamine
Identifiers
3D model (JSmol)
Abbreviations 2-AB
1361345, 1718761 (R), 1718760 (S)
ChEBI
ChemSpider
ECHA InfoCard 100.034.288
EC Number 237-732-7
KEGG
RTECS number EO3325000
UNII
UN number 2733
Properties
C4H11N
Molar mass 73.14 g·mol−1
Appearance Colorless liquid
Odor Fishy, ammoniacal
Density 0.724 g cm−3
Melting point −104.50 °C; −156.10 °F; 168.65 K
Boiling point 63 °C; 145 °F; 336 K
Miscible[1]
1.3928
Viscosity 500 μPa s (at 20 °C)
Thermochemistry
−138.5 to −136.5 kJ mol−1
−3.0095 to −3.0077 MJ mol−1
Hazards
GHS pictograms
GHS signal word DANGER
H225, H302, H314, H332, H400
P210, P273, P280, P305+351+338, P310
NFPA 704
Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasolineHealth code 3: Short exposure could cause serious temporary or residual injury. E.g., chlorine gasReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
3
3
0
Flash point 19 °C (66 °F; 292 K)
Lethal dose or concentration (LD, LC):
  • 152 mg kg−1 (oral, rat)
  • 2.5 g kg−1 (dermal, rabbit)
Related compounds
Related alkanamines
Related compounds
 2-Methyl-2-nitrosopropane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

sec-Butylamine is an organic chemical compound (specifically, an amine) with the formula CH3CH2CH(NH2)CH3, and occurs as a colorless liquid. sec-Butylamine is one of the four isomeric amines of butane, the others being n-butylamine, tert-butylamine and isobutylamine. It is very harmful to aquatic organisms.

sec-Butylamine is used as a fungicide[2] and is considered a high production volume chemical. It is undergoing comprehensive review by the American Chemistry Council's Amines Panel as part of the Primary Amines Category.

Chemical structure

sec-Butylamine is one of the isomers of butylamine. It is chiral and therefore can exist in either of two enantiomeric forms.

(R)-Enantiomer (left) and (S)-enantiomer (right)

Safety

This compound is moderately toxic, as well as flammable and corrosive.

References

  1. ↑ http://www.inchem.org/documents/icsc/icsc/eics0401.htm
  2. ↑ Butylamine, AlanWood.net

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