Precision Labware

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Featured Products

250mL 24/40 24/40 Without Return Hole Anti-Splash Adapter

In Stock

Distillation

250mL 24/40 24/40 Without Return Hole Anti-Splash Adapter

142222

$99.70

Effectively reduces carry-over from foaming or solvent bumping. Prevents possible contamination from rotary evaporator.

25 mm PTFE Membrane, 0.45 um Pore Size, Nonsterile...

In Stock

Syringe Filters

25 mm PTFE Membrane, 0.45 um Pore Size, Nonsterile Syringe Filters, Pack of 100

824542

$96.60

PrecisionTM premium syringe filter, PTPF membrane, 25 mm diameter, 0.45 um pore size, nonsterile. Excellent chemical resistance, suitable for most aggressive solvent, acid and base samples. Ideal for the efficient filtration of samples up to 100 mL. Precision filters are produced from pigment-free polypropylene housing with standard inlet (female luer...

150 mL Pressure Vessel with 15 mm Teflon Bushing and...

In Stock

Reaction

150 mL Pressure Vessel with 15 mm Teflon Bushing and Viton O-ring

382150

$78.60

Heavy wall round bottom pressure vessel have internal threads for the use with 15 mm Teflon busing (included) and #013 O-ring (included). With the capacity of 150 mL, OD of 60 mm and length of 139 mm, this pressure vessel is useful for sealed reactions, e.g. polymerization, C-C coupling reactions. Reminder: Always work behind a safety shield when running...

Distillation

Sublimer, Micro Scale, with 2mm Glass Stopcock, 25mL Long-neck Flask

702425

$152.80

Micro scale sublimer can be used to purified sublimable material as small as 100 mg. The 25 mL long neck flask is for small volume efficiency. With 24/40 standard taper to connect the flask and the cold finger condenser.

500 mL, 24/40 Glass Vacuum Distillation Apparatus with Claisen Adapter

500 mL, 24/40 Glass Vacuum Distillation Apparatus with Claisen Adapter 2

-$40.00
Pack

Back Order. Will Ship in 3 Weeks

Distillation

500 mL, 24/40 Glass Vacuum Distillation Apparatus with Claisen Adapter

624801

$214.80 $254.80

High quality borosilicate glass laboratory distillation kit, 24/40 joints, 500/250 mL one-neck flasks, with Claisen adapter with thermometer adapter, Leibig condenser with 300 mm jackel length.

1000mL side 24/40 center 29/42 Vertical Three Neck Flask

-$10.00

In Stock

Three-Neck

1000mL side 24/40 center 29/42 Vertical Three Neck Flask

303438

$94.20 $104.20

Three-neck round bottom flask with standard taper outer joints of 29/42 on the center neck and 24/40 on the vertical side necks. Heavy wall design increases mechanical strength.

On sale!
Pack

Single-Neck

250mL 24/40 Single Neck Round Bottom Flask, pk of 6

301026-6

$132.00

Round bottom flask, 250 mL, with standard taper outer joint. Heavy wall design provides increased mechanical strength. Pack of 6.

2 mL Clear Screw-Thread Vials and 9-425 Caps, ID Patch,...

-10%
Pack

In Stock

Autosampler Vials

2 mL Clear Screw-Thread Vials and 9-425 Caps, ID Patch, White PTFE/Red Silicone Septa,...

811923

$66.33 $73.70

This convenience pack includes 2mL clear vials with graduated write-on spot and blue polypropylene 9-425 screw-thread caps with septa. Vials are manufactured from Type 1 borosilicate glass. Vial kits are tested and guaranteed to meet or exceed critical performance parameters. Ideal for use with Agilent, Shimadzu, Beckman, Gerstel, as well as other 12x32mm...

Short Path Distillation Set, 2000mL 2-Neck Flask, Cow...

-10%
Pack

In Stock

Distillation

Short Path Distillation Set, 2000mL 2-Neck Flask, Cow Receiver with Hose Connection,...

640346

$838.62 $931.80

This complete set of short path distillation apparatus comes with one newly designed 24/40 vacuum jacketed distillation head with longer condensation path, one vertical 2-L two-neck round bottom flask with 24/40 joints, one 3-way cow-type receiver with hose connection, three 250mL round bottom flasks, one cold trap, three 24/40 penny-head stoppers, one...

Fluorescence Quartz Cuvette, 10mm, 3.5mL, PTFE Stopper,...

-10%

Back Order. Available in 3 Weeks.

Cuvettes

Fluorescence Quartz Cuvette, 10mm, 3.5mL, PTFE Stopper, Pack of 2

751042

$378.00 $420.00

Precision quartz cuvette, with four polished windows, for fluorescence/Luminescence measurements, limit 200-2,500 nm spectral range. 10 mm path length, standard rectangular, chamber volume 3.5 mL. PTFE stopper included.

In Stock

Chromatography

Chromatography Flow Control Adapter, Ball Joint, 35/20

520235

$73.20

Flow control adapter comes with 0-4mm high vacuum PTFE valve with metering tip to adjust the air flow. The O-rings are completely enclosed with thin layer of PTFE around the high vacuum valve. This new design makes it inert to most chemicals/solvents used in column chromatography. Adapter has ball joint size of 35/20 to be used with ball joint clamps...

SALE!

On sale!
Pack

Single-Neck

250mL 24/40 Single Neck Round Bottom Flask, pk of 6

301026-6

$132.00

Round bottom flask, 250 mL, with standard taper outer joint. Heavy wall design provides increased mechanical strength. Pack of 6.

18 mm Magnetic Screw Caps for Headspace Vials, Blue...

-10%

Out-of-Stock

Autosampler Vials

18 mm Magnetic Screw Caps for Headspace Vials, Blue PTFE/White Silicone Septa, 8 mm...

806001

$86.76 $96.40

Preassembled stainless steel magnetic screw cap for headspace vials, with 18 mm thread, blue PTFE/white silicon septa with 8 mm center hole. The precision thread is designed to force the septa against the vial to have a gas tight seal.

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UV Quartz Cuvette, 10mm, 3.5mL, PTFE Stopper, Pack of 2

-10%

In Stock

Cuvettes

UV Quartz Cuvette, 10mm, 3.5mL, PTFE Stopper, Pack of 2

751022

$279.00 $310.00

Precision quartz cuvette, with two polished windows, for UV-Vis absorption measurements, limit 200-2,500 nm spectral range. 10 mm path length, standard rectangular, chamber volume 3.5 mL. PTFE stopper included.

24/40 Vacuum Jacketed Short Path Distillation Apparatus,...

-30%

In Stock

Distillation

24/40 Vacuum Jacketed Short Path Distillation Apparatus, Large Capacity

620460

$336.00 $480.00

24/40 standard joint short-path distilling head, used with 50mm immersion thermometer with 14/20 standard taper joint. One-piece and compact design for easy and efficient use . The longer condensate path with the vigreux column create more clearance between distillation flask and receiving flasks, which allows the use of larger distillation flask up to 5L.

2 mL Amber Snap-Top Vials and 11 mm Caps, ID Patch, Red...

-10%
Pack

In Stock

Autosampler Vials

2 mL Amber Snap-Top Vials and 11 mm Caps, ID Patch, Red PTFE/White silicone Septa,...

811045

$68.31 $75.90

This convenience pack includes 2mL amber snap-top vials with graduated write-on spot and 11mm snap-top caps with septa. Vials are manufactured from Type 1 borosilicate glass. Vial kits are tested and guaranteed to meet or exceed critical performance parameters. Ideal for use with Agilent, Shimadzu, Beckman, Gerstel, as well as other 12x32mm vial format...

-50%

In Stock

Accessories

24/40 Hollow Glass Penny-Head Stopper

104002

$8.30 $16.60

Hollow penny head stopper with closed bottom. Penny head provides better grip than spherical head.

Complete Set of Short Path Distillation Apparatus, with...

-10%
Pack

In Stock

Distillation

Complete Set of Short Path Distillation Apparatus, with 2000mL 3-Neck Flask, Cow...

640234

$794.43 $882.70

This complete set of short path distillation apparatus comes with one newly designed 24/40 vacuum jacketed distillation head, one vertical 2-L three-neck round bottom flask with 24/40 side joints and 29/42 center joint, one 3-way cow-type receiver, three 250mL round bottom flasks, three 24/40 penny-head stoppers, one 29/42 penny-head stopper, one 24/40...

-50%

In Stock

Accessories

29/42 Hollow Glass Penny-Head Stopper

104003

$10.30 $20.60

Hollow penny head stopper, 29/42 standard taper joint, with closed bottom. Penny head provides better grip than sperical head.

UV Quartz Cuvette, 10mm, 3.5mL, PTFE Cover, Pack of 2

-10%

In Stock

Cuvettes

UV Quartz Cuvette, 10mm, 3.5mL, PTFE Cover, Pack of 2

751021

$189.00 $210.00

-10%

Back Order. Available in 3 Weeks.

Cuvettes

Fluorescence Quartz Cuvette, 10mm, 3.5mL, PTFE Stopper, Pack of 2

751042

$378.00 $420.00

11 mm Crimp-Top Aluminum Caps with White PTFE/Red...

-10%

In Stock

Autosampler Vials

11 mm Crimp-Top Aluminum Caps with White PTFE/Red silicone Septa, 5.5 mm Center Hole,...

802111

$34.02 $37.80

Preassembled 11mm crimp-top aluminum caps with white PTFE/red silicone septa, 5.5 mm center hole. To use with 11mm crimp-top vials (sold separately, cat. # 801123, 801145)

-$10.00

In Stock

Three-Neck

1000mL 24/40 Angled Three Neck Flask

303028

$86.40 $96.40

Three-neck round bottom flask with standard taper outer joints of 24/40 on both the center neck and angled side necks. Heavy wall design increases mechanical strength.

On sale!
-$2.60

In Stock

Accessories

14/20 Standard Taper Joint Clip (1pc)

721014

$1.00 $3.60

Plastic joint clip, easy to use with 14/20 joint size.

-30%

In Stock

Distillation

24/40 Short Path Distillation Apparatus

611824

$109.20 $156.00

Used with 25mm immersion thermometer with 10/18 standard taper joint. One-piece and compact design for easy and efficient use . The short condensate path is dedicated for the purification of small amount yet precious synthetic product.

-30%

In Stock

Distillation

24/40 Vacuum Jacketed Short Path Distillation Apparatus, New Design

618424

$266.00 $380.00

24/40 standard joint short-path distilling head, used with 50mm immersion thermometer with 10/18 standard taper joint. One-piece and compact design for easy and efficient use . The short condensate path is dedicated for the purification of small amount yet precious synthetic product. The re-designed vacuum jacket is 20% larger than the previous version,...

24/40 Distillation Receiver Funnel for Oil Water...

-20%

In Stock

Distillation

24/40 Distillation Receiver Funnel for Oil Water Separation, 250 mL, Teflon Stopcock

506250

$70.56 $88.20

Distillation receiver for oil water separation with 24/40 outer joint, 250 mL capacity, supplied with #4 Teflon stopcock. It is ideal for essential oil distillation .

24/40 Vertical Vacuum Distillation Adapter

-10%

In Stock

Distillation

24/40 Vertical Vacuum Distillation Adapter

133212

$38.88 $43.20

With a sealed in drip tip, and a side hose connection for vacuum or for the introduction of gases.

-50%

In Stock

Accessories

14/20 Hollow Glass Penny-Head Stopper

104001

$5.40 $10.80

Hollow penny head stopper with closed bottom. Penny head provides better grip than spherical head.

-10%
Pack

In Stock

Autosampler Vials

2 mL Clear Screw-Thread Vials and 9-425 Caps, ID Patch, White PTFE/Red Silicone Septa,...

811923

$66.33 $73.70

34/45 Soxhlet Extractor with 24/40 Lower Joint

-20%

In Stock

Distillation

34/45 Soxhlet Extractor with 24/40 Lower Joint

650344

$100.64 $125.80

Soxhlet extractor with 34/45 upper jount and 24/40 lower joint. Soxhlet extraction apparatus are used for contineous extraction of solids with refluxing solvent. This extractor is used with condensor (Cat. # 651345) and glass thimble (Cat. # 652385), both sold separately.

9-425 Screw Thread Caps with White PTFE/Red Silicone...

-10%

In Stock

Autosampler Vials

9-425 Screw Thread Caps with White PTFE/Red Silicone Septa, 6 mm Center Hole, Pack of 100

802191

$34.02 $37.80

Preassembled blue polypropylene 9-425 screw-thread closures with 6mm center hole , include white PTFE/red silicone septa. To use with 9-425 screw-thread vials (Cat. # 801923, 801945, sold separately)

2 mL Clear Crimp-Top Vials and 11 mm Caps, ID Patch,...

-10%
Pack

In Stock

Autosampler Vials

2 mL Clear Crimp-Top Vials and 11 mm Caps, ID Patch, White PTFE/Red silicone Septa,...

811123

$66.33 $73.70

This convenience pack includes 2mL clear crimp-top vials with graduated write-on spot and 11mm aluminum crimp-top caps with septa. Vials are manufactured from Type 1 borosilicate glass. Vial kits are tested and guaranteed to meet or exceed critical performance parameters. Ideal for use with Agilent, Shimadzu, Beckman, Gerstel, as well as other 12x32mm...

11 mm Snap-Top Caps with Red PTFE/White Silicone Septa,...

-10%

In Stock

Autosampler Vials

11 mm Snap-Top Caps with Red PTFE/White Silicone Septa, Pack of 100

802102

$34.02 $37.80

Preassembled blue polypropylene snap-top closures with 6mm center hole , include red PTFE/white silicone septa. To use with 11mm snap-top vials (Cat. # 801023, 801045, sold separately)

-10%
Pack

In Stock

Distillation

Short Path Distillation Set, 2000mL 2-Neck Flask, Cow Receiver with Hose Connection,...

640346

$838.62 $931.80

On sale!
-$2.80

In Stock

Accessories

19/22 Standard Taper Joint Clip (1pc)

721019

$1.00 $3.80

Plastic joint clip, easy to use with 19/22 joint size

-$40.00
Pack

Back Order. Will Ship in 3 Weeks

Distillation

500 mL, 24/40 Glass Vacuum Distillation Apparatus with Claisen Adapter

624801

$214.80 $254.80

High quality borosilicate glass laboratory distillation kit, 24/40 joints, 500/250 mL one-neck flasks, with Claisen adapter with thermometer adapter, Leibig condenser with 300 mm jackel length.

2 mL Amber Crimp-Top Vials and 11 mm Caps, ID Patch,...

-10%
Pack

In Stock

Autosampler Vials

2 mL Amber Crimp-Top Vials and 11 mm Caps, ID Patch, White PTFE/Red silicone Septa,...

811145

$68.31 $75.90

This convenience pack includes 2mL amber crimp-top vials with graduated write-on spot and 11mm aluminum crimp-top caps with septa. Vials are manufactured from Type 1 borosilicate glass. Vial kits are tested and guaranteed to meet or exceed critical performance parameters. Ideal for use with Agilent, Shimadzu, Beckman, Gerstel, as well as other 12x32mm...

On sale!
-$3.20

In Stock

Accessories

29/42 Standard Taper Joint Clip (1pc)

721029

$1.00 $4.20

Plastic joint clip, easy to use with 29/42 joint size

Accessories

19/22 Standard Taper Joint Clip (1pc)

$1.00 $3.80

Stopper with Size 15 O-Ring Joint

$16.80

Vacuum Trap with 10mm Hose...

$119.40

14/20 Standard Taper Joint Clip (1pc)

$1.00 $3.60

Bubbler, Mineral Oil, OD 26 mm, H 180 mm

$33.40

24/40 Outer Joint with Hose...

$21.80

Vacuum Trap with Size 15 O-Ring Joint

$194.00 $204.00

Compact Double Manifold with Size 15...

$710.00

29/42 Standard Taper Joint Clip (1pc)

$1.00 $4.20

Manifold with Size 15 O-Ring Joints

$978.00

Complete Set of Schlenk Line:...

$1,492.80

Spherical 28/15 Stainless Steel Pinch...

$25.40

Schlenk Line Set

Complete Set of Schlenk Line: Double-Manifold with Size...

Pack

In Stock

Manifold

Complete Set of Schlenk Line: Double-Manifold with Size 15 O-Ring Joints, Cold Trap...

740104

$1,492.80

Four-port double-manifold made of borosilicate glass and designed with 4mm double hollow high vacuum glass stopcocks on all ports. Ports are fitted with two 14/20 and two 24/40 inner joints. This configuration allows direction connection with vessels having the same joint size. Distance between two adjacent ports is 127 mm (5 in), with a total manifold...

Special Flasks

1000mL side 24/40 center 29/42 3-Neck with Bottom...

In Stock

Three-Neck

1000mL side 24/40 center 29/42 3-Neck with Bottom Outlet Round Bottom Flask

323237

$206.60

Three-neck round bottom flask with standard taper outer joints of 29/42 on the center neck,and 24/40 on side necks. Heavy wall design. Lower outlet equipped with 4mm Teflon straight bore stopcock.

100mL 14/20 with Outer Joint Storage Flask

In Stock

Schlenk Flask

100mL 14/20 with Outer Joint Storage Flask

352015

$80.60

Round bottom storage flask with a standard taper outer joint on the side arm. PTFE high vacuum valve has valve size of 0-4mm. The O-rings are protected by precisely engineered Teflon wipers, which ensures perfect seal and excellent chemical resistance.

250mL 24/40 High Vacuum Valve Reaction Flask

In Stock

Schlenk Flask

250mL 24/40 High Vacuum Valve Reaction Flask

362026

$99.40

Round bottom reaction flask with a standard taper outer joint. PTFE high vacuum valve has valve size of 0-4mm. The O-rings are protected by precisely engineered Teflon? wipers, which ensures perfect seal and excellent chemical resistance.