Laboy Glass 50mL Round Bottom Schlenk Storage Flask with 0-4mm High Vacuum Valve & 14/20 Outer Joint at Side Arm Chemistry Lab Glassware

★★★★★ 4.8 124 reviews

US$14.29
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by www.serviacero.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$14.29
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 24
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by www.serviacero.com
Free 30-day returns Details

Product details

Management number 221466558 Release Date 2026/05/03 List Price US$14.29 Model Number 221466558
Category

The schlenk flask is a round bottom flask with 0-4mm high vacuum valve. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.

  • DESIGN----This is a round bottom schlenk flask designed with 0-4mm high vacuum valve for precise control of inlet/outlet flow at top neck.and with an outer standard taper joint parallel with the high vacuum valve on the side-arm for attaching a schlenk line to get the inert gas source.The joint is also used to attach a jointed lab glassware apparatus for adding or transferring.
  • USE----This schlenk flask is mainly used as a storage flask to store the air-sensitive material,the joint on side-arm can be stopped by a jointed glass stopper or a rubber septum which allowing liquid transfer via a cannula. It is also can be used as a reaction flask to conduct reactions at elevated pressures and temperatures as a closed system. In addition, it is designed to withstand the pressure differential created by the ante-chamber when pumping solvents into a glove box.
  • DIMENSIONS-----This schlenk storage/reaction flask is supplied with a 0-4mm high vacuum valve with PTFE O-ring at tip and PTFE wiper to protect PTFE O-ring at tip.With 14/20 standard taper joint on side-arm for adding or connecting to a schlenk line.Capacity of 50mL.
  • HEAVY WALL ---This schlenk flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 809 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable.
Brand Name LABOY
Unit Count 1 Count
Item Weight 1 Grams
Part Number HMF050502
Bottom Shape Round
Manufacturer Laboy
Model Number HMF050502
Material Type Borosilicate Glass
Specification Met ASTM E438

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
124 ratings | 51 reviews
How item rating is calculated
View all reviews
5 stars
87% (108)
4 stars
2% (2)
3 stars
1% (1)
2 stars
0% (0)
1 star
10% (12)
Sort by

There are currently no written reviews for this product.