Sodium Hydroxide 2.5N (2.5M) Concentration 2.5N (2.5M) CAS Number 1310-73-2 Chemical Formula NaOH Chemical Container Material Plastic Chemical Container Type Bottle Chemical Grade Lab Chemical Container Size 500mL Chemical Family Type Standards and Solutions Calibration Certificate NIST Shelf Life 24 mo. Shipping Restrictions DOT - SODIUM HYDROXIDE SOLUTION/UN1824