Sodium Hydroxide Precision Solution Concentration 1 N CAS Number 7732-18-5 1310-73-2 APHA 3500-Ca B Chemical Container Material Plastic Chemical Container Type Box Chemical Grade ACS Chemical Container Size 4L Chemical Family Type Standards and Solutions Calibration Certificate NIST SRM 84 Shelf Life 24 mo. Standards EPA 215.2 EP 3006300 TAPPI T 624 cm-85