Molecular Formula: C₄H₁₁N
Molar mass: 73.13684 g/mol
EINECS: 208-164-7
Density: 0.741 g/cm³
Flash Point: −3 °F
Melting point: -104 °C
Sensitive: Air Sensitive
Index of Refraction: 1.403
Storage temp: Flammables area
Boiling Point: 62.9 °C at 760 mmHg
Vapour Pressure: 175 mmHg at 25°C
Appearance: Colorless to light yellow liqui
Product categories: Aminoglycoside antibiotics; Drugs; Antibiotics
Structure of (S)-(+)-2-Aminobutane (513-49-5):
         
XLogP3-AA: 0.6
H-Bond Donor: 1
H-Bond Acceptor: 1
Systematic Name: Butan-2-amine 
SMILES: NC(C)CC 
InChI: InChI=1/C4H11N/c1-3-4(2)5/h4H,3,5H2,1-2H3 
InChIKey: BHRZNVHARXXAHW-UHFFFAOYAA 
Std. InChI: InChI=1S/C4H11N/c1-3-4(2)5/h4H,3,5H2,1-2H3 
Std. InChIKey: BHRZNVHARXXAHW-UHFFFAOYSA-N

Carcinogenicity of (S)-(+)-2-Aminobutane (513-49-5) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65. You can see actual entry in RTECS for complete information.

Reported in EPA TSCA Inventory.

Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits toxic vapors of NO_x.
 

Hazard Codes: F,C,N,F+
Risk Statements:
11:  Highly Flammable
20:  Harmful by inhalation
22:  Harmful if swallowed 
25:  Toxic if swallowed
35:  Causes severe burns
50:  Very Toxic to aquatic organisms
Safety Statements:
9:  Keep container in a well-ventilated place
16:  Keep away from sources of ignition - No smoking
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
28A     After contact with skin, wash immediately with plenty of water.
36:  Wear suitable protective clothing 
37:  Wear suitable gloves
39:  Wear eye/face protection
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
61:  Avoid release to the environment. Refer to special instructions safety data sheet

 (S)-(+)-2-Aminobutane (513-49-5) also can be called 2-Butanamin ; .+/-.-sec-Butylamine ; Butan-2-amine and Propylamine, 1-methyl- .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: first,should  flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing. Secondly,Get shoesmedical aid . Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Do not induce vomiting.If victim is conscious and alert, give 2-4 cupfuls of milk or water.Never give anything by mouth to an unconscious person., and get medical aid immediately.
In addition, (S)-(+)-2-Aminobutane (513-49-5) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, acids, acid chlorides, carbon dioxide, sodium hypochlorite, acid anhydrides, calcium hypochlorite, nitromethane, nitrosyl perchlorate, and you must not take it with light, ignition sources, and incompatible materials, and not be exposured to air.And also prevent it to broken down into hazardous decomposition products: oxides of nitrogen, carbon dioxide, carbon monoxide.