GB-Sarin (isopropylmethylphosphonofluoridate)
Formula : CH3P(O)(F)OCH(CH3)2
Description :  Liquid that gives a very vapor which toxicity is twice as high
                        as GA, causes difficult vision in dim light and penetrate the
                        skin quickly.
                        State : Liquid
                        Odor :  None if pure 
                        Color : Colorless vapor
                        Type :  Nerve  agent
                        Persistency: Non-persistant
                                             Short depend of the weather, evaporate at the
                                             same rate than water.
                                             High volatility, facilitate the dispersion.
                        Density : 1.09
                        Decomposition Point : 150° C for 2.5 hours
Symptoms : Runny nose, tightness of chest, dimness  of vision and pin-point
                    of the eye pupils, difficulty in breathing, sweating, nausea,
                    vomiting, cramps, confusion, drowsiness, coma and convulsion,
                    stop of breathing and death.
                    Through skin death can occur in 1 or 2 minutes but may be
                    delayed for 1 or 2 hours.
                    Through respiratory system or eyes it kills in 1 to 10 minutes.
                    Very small dosage can cause sweating and tremors.
                     In lethal dosage death occurs in 15 minutes.
Protection : Mask and respirator, full protective clothing in all time.
First-aid : Oxime and Atropine injection,
                    Artificial respiration
                   Wash contaminated parts with soap and water.