Glass, unjacketed reaction vessel design for use with our 7874 quartz and 7875 glass immersion wells. Instead of a standard taper joint, this reactor utilizes a height-adjustable, non-freezing #50 Ace-Thred. Also featured, a 14/20 angled joint for a sparger tube, a 24/40 vertical joint for a condenser and a #7 Ace-Thred for a thermometer. Vessel includes a flat-bottom that will accept the use of a stir magnet. Volumes indicated are total volumes; working volumes are approximately 40-50% of total volume.