Molecular Structure:

Molecular Formula: C₁₈H₃₁B
Molecular Weight: 258.25 
Systematic Name: 9-[(1R,2R,3S,5R)-2,6,6-Trimethylbicyclo[3.1.1]hept-3-yl]-9-borabicyclo[3.3.1]nonane
Synonyms of S-Alpine-Borane (CAS NO.42371-63-1): (S)-B-Isopinocampheyl-9-borabicyclo[3.3.1]-nonane ; S-B-Isopinocampheyl-9-borabicyclo(3.3.1)nonane ; S-Alpine-borane 97% neat liquid ; (s)-(+)-1,2-Isopropylideneglycerol, 98% (99% ee/glc) ; S-Alpine-borane tm solution;isopinocampheylborane derivative
CAS NO: 42371-63-1
Classification Code: API intermediates 
Index of Refraction: 1.495
Molar Refractivity: 80.56 cm³
Molar Volume: 275.8 cm³
Surface Tension: 31 dyne/cm
Density: 0.93 g/cm³
Flash Point: 157.2 °C
Enthalpy of Vaporization: 55.65 kJ/mol
Boiling Point: 336.3 °C at 760 mmHg
Vapour Pressure  of S-Alpine-Borane (CAS NO.42371-63-1): 0.00022 mmHg at 25°C

Hazard Codes of S-Alpine-Borane (CAS NO.42371-63-1): F,Xn,Xi
Risk Statements: 11-19-22-36/37/38-17 
R11: Highly flammable. 
R19: May form explosive peroxides. 
R22: Harmful if swallowed. 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R17: Spontaneously flammable in air.
Safety Statements: 16-26-27-36/37/39-24-6-36 
S16: Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27: Take off immediately all contaminated clothing. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S24: Avoid contact with skin. 
S6: Keep under ... (there follows the name of an inert gas). 
S36: Wear suitable protective clothing.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
HazardClass: 4.3
PackingGroup: III