Boiling Flasks

KIMAX boiling flask with a short neck and a medium length standard taper joint. Designed from ASTM Specification E1403, Type II, Class 3 requirements.

These 22L PYREX(r) round bottom boiling flasks have short ring necks and take a No. 14 rubber stopper. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering and...

SYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

These quality round bottom boiling flasks are made from heat-resistant borosilicate glass, and have 24/40 ground glass joints and thick walls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,...

KIMAX® round bottom boiling flask with a short neck and a medium length Standard Taper joint Designed from ASTM Specification E1403, Type II, Class III requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A...

Round bottom flasks, three vertical necks, spherical outer joints. Available in standard and heavy wall.

Two neck, one center and on vertical side neck, round bottom flask with standard taper joints. Available in standard wall or heavy wall.

Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint.

Ai 10L heavy wall, 3-neck round bottom flask with 24/40 and 34/45 standard taper joint. Comes with two vertical 34/45 side necks and one 24/40 center neck. Glass material: high borosilicate glass 3.3.

Single neck, flat bottom, quartz flask with standard taper outer joint. Ensure precise and consistent results in your laboratory experiments with our flat-bottomed, single-neck flasks. Crafted by Chemglass, a leading name in scientific equipment, these flasks are made from high-quality quartz for...

RounRound Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5, 10, and 25mL, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septad Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5,

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

SYNTHWARE round bottom, heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.

With two vertical necks and a round bottom, these borosilicate glass flasks feature a side neck Standard Taper 24/40 outer joint. The center Standard Taper joint varies with flask capacity.

This specially designed PYREX® 1L boiling flask is a replacement part for the PYREX® Cyanide Distilling Apparatus (No. 3350-C).

With short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall.

Two-neck heavy wall flask with Standard Taper outer joints Side neck is angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Available in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.

These PYREX(r) round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for...

SYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.

Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Buret. Class A.

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

Borosil® Flat Bottom (Florence) Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate, Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, beaded rim for...