Quick Answer:The Flask Reaction With Glass Stopcock is a reaction flask fitted with a 2 mm glass stopcock and spring retention device, made in 50 ml (14/20 socket) and 250 ml (24/40 socket) sizes.
Last updated: 18 October 2026
Key Features
Glass stopcock, 2 mm.
Spring retention device for smooth turning.
250 ml size with 24/40 socket.
50 ml size with 14/20 socket.
Technical Specifications
Specification
Value
Stopcock
Glass, 2 mm
Stopcock retention
Spring
250 ml
Socket 24/40
50 ml
Socket 14/20
How It Is Used
The flask holds a reaction mixture and joins other ground-joint glassware through its socket. The glass stopcock is opened or shut as the work requires, and the spring retention device keeps it turning smoothly.
Related Lab Glassware
See the full lab glassware range, or these related reaction flasks and stopcocks:
