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Flasks

All laboratories must be equipped with flasks of different types. We offer a wide range of flasks, boiling, culture, distilling, erlenmeyer, filtering, iodine and kjeldahl - for a variety of applications to meet customer?s requirements. BOROSILĀ® Brand flasks are designed to give the best combination of thermal shock resistance, physical strength and resistance to chemical attack. They are made to withstand the demands of the modern laboratory. The flasks with interchangeable joints (single, 2neck, 3neck) are particularly suitable for all glass apparatus assemblies. We offer the interchangeable joints most commonly specified for a particular capacity. Adapters Cat. No. 8800 and 8820 can be used to connect flasks with one size joint to any other apparatus having another size joint.

4060-Flasks

Boiling, Florence, Flat Bottom, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4060009 25 42 x 90 20 50
4060012 50 51 x 90 26 50
4060016 100 64 x 105 26 80
4060018 150 75 x 132 28 80
4060021 250 85 x 140 34 80
4060022 *300 87 x 160 24 20
4060024 500 105 x 170 34 40
4060029 1000 131 x 190 42 20
4060030 2000 167 x 237 50 20
4060031 3000 186 x 300 50 4
4060033 5000 223 x 317 57 2
4060034 6000 250 x 340 65 1
4060038 10000 279 x 400 65 1
4060040 20000 350 x 495 75 1
* Suitable for use in Polenske Apparatus

4100-Flasks

Boiling, Flat Bottom, Short Neck, Interchangeable Joint, BOROSIL
Product Code Capacity ml Interchangeable Joint Approx Height mm Quantity Per Case
4100018 150 24 / 29 115 5
4100021 250 24 / 29 130 5
4100024 500 24 / 29 148 5

4260-Flasks

Boiling, Round Bottom, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4260009 25 42 x 90 20 50
4260012 50 51 x 95 26 70
4260016 100 64 x 110 26 50
4260018 150 75 x 137 28 80
4260021 250 85 x 145 34 80
4260024 500 105 x 175 34 40
4260029 1000 131 x 205 42 20
4260030 2000 166 x 243 51 20
4260031 3000 190 x 305 50 4
4260033 5000 225 x 350 60 2
4260034 6000 236 x 350 65 1
4260038 10000 285x 420 65 1
4260040 20000 350 x 505 87 1

4265-Flask

Flask For Dissolution Apparatus As per USP, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Quantity Per Case
4265029 1000 132 x 172 10

4266-Flask

Flask With Side Cut For Dissolution Apparatus, Borosil
Product Code Capacity ml Approx O.D x Height mm Quantity Per Case
4266029 1000 132 x 170 10
Similar to 4265, but with two side cuts at flange.

4267-Flask

Flask For Dissolution Apparatus As per USP, Amber, Borosil
Product Code Capacity ml Approx O.D x Height mm Quantity Per Case
4267029 1000 132 x 170 10
Similar to 4265 except the vessel has been amberised to protect light sensitive materials. Since the amber is applied to the outside of the vessel, there is no contaminant to come in contact with the material being tested.

4268-Flask

Flask With Side Cut For Dissolution Apparatus As per USP, Amber, Borosil
Product Code Capacity ml Approx O.D x Height mm Quantity Per Case
4268029 1000 132 x 170 10
Similar to 4266 except the vessel has been amberised to protect light sensitive materials. Since the amber is applied to the outside of the vessel, there is no contaminant to come in contact with the material being tested.

5019-Flasks

Erlenmeyer, Conical, Narrow Mouth, With Interchangeable Stopper, Amber, Borosil
Product Code Capacity ml Interchangeable Joint Quantity Per Case
5019009 25 14/15 10
5019012 50 19/20 10
5019016 100 24/25 20
5019021 250 29/25 20
5019024 500 29/25 10

4315-Flasks

Boiling, Pear Shaped, Short Neck, With Interchangeable Joint, Borosil
Product Code Capacity ml Interchangeable Joint Quantity Per Case
4315005 5 10 / 19 10
4315005 5 14 / 23 10
4315006 10 10 / 19 10
4315006 10 14 / 23 10
4315009 25 14 / 23 5
4315012 50 14/ 23 10

4320 -Flask

Pear Shape Suitable For Rotary Evaporators with Ground Socket,, BOROSIL
Product Code Capacity ml Ground Joint Quantity Per Case
4320112 50 24 / 29 5
4320012 50 29 / 32 5
4320116 100 24 / 29 5
4320016 100 29 / 32 5
4320121 250 24 / 29 5
4320021 250 29 / 32 5
4320124 500 24 / 29 5
4320024 500 29 / 32 5
4320129 1000 24 / 29 5
4320029 1000 29 / 32 5
4320130 2000 24 / 29 5
4320030 2000 29 / 32 5
Rota vapor flasks are used along with rotary evaporators. These flasks are ideally used for heating sensitive solvent solute combinations. Extractions of key components like odor, fragrance, oil, drugs, natural extracts can be done using these flasks.

4330-Flasks

Flasks-( Vessels ) Reaction, Wide Mouth, Flat Flange, 100mm I.D, 150 mm O.D, BOROSIL
Product Code Capacity ml Approx Height mm Quantity Per Case
4330029 1000 170 2
4330030 2000 205 2
4330033 5000 260 2
4330038 10000 335 1
4330040 20000 400 1

4331-Flasks

Lids-For Flasks Reaction Cat No. 4330, Flat Flange and Interchangeable Joint, BOROSIL
Product Code Interchangeable Joint Quantity Per Case
Center Parellel Side 50 Side 100 Side 150
4331Z97 19/26 19/26 24/29 19/26 - 2
4331Z98 19/26 14/23 14/23 14/23 29/32 2
4331Z99 29/32 14/23 14/23 14/23 29/32 2

4380-Flasks

Round Bottom, Short Neck, With Interchangeable Joint, Borosil
Product Code Capacity ml Approx Height mm Interchangeable Joint Quantity Per Case
4380012 50 95 19 / 26 5
4380016 100 120 24 / 29 15
4380021 250 140 24 / 29 20
4380024 500 160 24 / 29 10
4380029 1000 188 24 / 29 10
4380030 2000 228 24 / 29 4
4380031 3000 255 24 / 29 4
4380033 5000 300 45 / 40 2
4380038 10000 385 55 / 44 1
4380040 20000 435 55 / 44 1

4381-Flasks

Round Bottom, Two Neck, Centre Neck And One Angled Side Neck With Interchangeable Joint, BOROSIL
Product Code Capacity ml Interchangeable Joint Quantity Per Case
Center Neck Side Neck
4381016 100 24/29 14/23 4
4381216 100 24/29 19/26 4
4381021 250 24/29 14/23 4
4381221 250 24/29 19/26 4
4381024 500 24/29 14/23 4
4381224 500 24/29 19/26 4
4381029 1000 24/29 14/23 2
4381229 1000 24/29 19/26 2
4381054 2000 24/29 14/23 2
4381230 2000 24/29 19/26 2
4381055 2000 34/35 19/26 2
4381031 3000 34/35 19/26 2
4381033 5000 34/35 19/26 1
4381038 10000 55/44 24/29 1
4381040 20000 55/44 24/29 1

4382-Flasks

Round Bottom, Two Neck, Centre Neck And One parellel Side Neck With Interchangeable Joint, BOROSIL Round Bottom, Two Neck, Centre Neck And One Angled Side Neck With Interchangeable Joint, BOROSIL
Product Code Capacity ml Interchangeable Joint Quantity Per Case
Center Neck Side Neck
4382015 100 24/29 14/23 4
4382216 100 24/29 19/26 4
4382021 250 24/29 14/23 4
4382221 250 24/29 19/26 4
4382034 500 24/29 14/23 4
4382224 500 24/29 19/26 4
4382044 1000 24/29 14/23 2
4382229 1000 24/29 19/26 2
4382054 2000 24/29 14/23 2
4382230 2000 24/29 19/26 2
4382056 2000 34/35 19/26 2
4382031 3000 34/35 19/26 2
4382033 5000 34/35 19/26 1
4382038 10000 55/44 24/29 1
4382040 20000 55/44 24/29 1

4383-Flasks

Round Bottom, Three Neck, Centre Neck And Two Angled Side Neck With Interchangeable Joint, BOROSIL
Product Code Product Code Capacity ml Interchangeable Joint Size Quantity Per Case
Center Neck Side Neck Side Neck
4383016 100 19/26 14/23 14/23 4 235.00
4383216 100 14/23 14/23 14/23 4 235.00
4383021 250 19/26 14/23 14/23 4 330.00
4383221 250 19/26 19/26 19/26 4 330.00
4383024 500 19/26 14/23 14/23 4 500.00
4383224 500 19/26 19/26 19/26 4 500.00
4383029 1000 34/35 24/29 24/29 2 605.00
4383030 2000 24/29 19/26 19/26 2 1115.00
4383230 2000 34/35 24/29 24/29 2 1115.00
4383031 3000 34/35 24/29 24/29 2 2790.00
4383033 5000 45/40 24/29 24/29 1 3935.00
4383038 10000 45/40 24/29 24/29 1 7610.00
4383040 20000 55/44 24/29 24/29 1 11415.00

4384-Flasks

Round Bottom, Three Neck, Centre Neck And Two Parellel Side Neck With Interchangeable Joint, BOROSIL
Product Code Capacity ml Interchangeable Joint Size Quantity Per Case
Center Neck Side Neck Side Neck
4384016 100 19/26 14/23 14/23 4
4384216 100 14/23 14/23 14/23 4
4384021 250 19/26 14/23 14/23 4
4384221 250 19/26 19/26 19/26 4
4384032 500 19/26 14/23 14/23 4
4384224 500 19/26 19/26 19/26 4
4384029 1000 34/35 24/29 24/29 2
4384030 2000 24/29 19/26 19/26 2
4384230 2000 34/35 24/29 24/29 2
4384031 3000 34/35 24/29 24/29 2
4384033 5000 45/40 24/29 24/29 1
4384038 10000 45/40 24/29 24/29 1
4384040 20000 55/44 24/29 24/29 1

4385-Flasks

Round Bottom, Three Neck, Centre Neck And Two Parellel Side Neck With Interchangeable Joint, BOROSIL
Product Code Capacity ml Interchangeable Joint Size Quantity Per Case
Center Neck Side Neck
4385016 100 24 / 29 14 / 23 4
4385216 100 24 / 29 19 / 26 4
4385021 250 24 / 2 9 14/23 4
4385221 250 24 / 2 9 19 / 26 4
4385024 500 24 / 29 14/23 4
4385224 500 24 / 29 19/26 4
4385029 1000 24 / 29 14 / 23 2
4385229 1000 24 / 29 19 / 26 2
4385054 2000 24/29 14 / 23 2
4385230 2000 24 / 29 19 / 26 2
4385330 2000 34/35 19 / 26 2
4385131 3000 34/35 19 / 26 2
4385133 5000 34 / 35 19 / 26 1
4385038 10000 55 / 44 24 / 29 1
4385040 20000 55/44 24/29 1

4386-Flasks

Round Bottom, Four Necks, Centre Neck And Three Parallel Side Neck, With Interchangeable Joints, BOROSIL
Product Code Capacity ml Interchangeable Joint Size Quantity Per Case
Center Neck Side Neck
4386016 100 24 / 29 14 / 23 4
4386216 100 24 / 29 19 / 26 4
4386021 250 24 / 2 9 14/23 4
4386221 250 24 / 2 9 19 / 26 4
4386024 500 24 / 29 14/23 4
4386224 500 24 / 29 19/26 4
4386029 1000 24 / 29 14 / 23 2
4386229 1000 24 / 29 19 / 26 2
4386054 2000 24/29 14 / 23 2
4386230 2000 24 / 29 19 / 26 2
4386330 2000 34/35 19 / 26 2
4386131 3000 34/35 19 / 26 2
4386133 5000 34 / 35 19 / 26 1
4386038 10000 55 / 44 24 / 29 1
4386040 20000 55/44 24/29 1

4422-Flasks

Culture, Haffkine, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Quantity Per Case
4422031 3000 245 x 273 2
4422032 4000 246 x 310 2

4620-Flasks

Distilling, With Side Arm, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4620016 100 64 x 210 21 20
4620017 *125 70 x 215 21 20
4620021 250 88 x 230 25 20
4620024 500 110 x 250 28 4
4620029 1000 130 x 305 31 4
*Specifications as per Institute of Petroleum Standard No. IP 123 / 64

4980-Flasks

Erlenmeyer, Graduated, Conical, Narrow Mouth, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4980006 10 37 x 60 15 30
4980009 25 40 x 70 21 40
4980012 50 51 x 82 21 100
4980016 100 64 x 105 25 100
4980018 150 72 x 124 28 100
4980021 250 85 x 140 34 80
4980024 500 104 x 185 38 40
4980029 1000 131 x 220 42 20
4980030 2000 168 x 280 52 20
4980031 3000 185 x 315 48 4
4980033 5000 220 x 367 50 2
25 ml to 5000 ml Graduated

4981-Flasks

Erlenmeyer, Conical, Long Neck, Without Rim, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4981021 250 78 x 154 27 80
Suitable for culture work, designed for cotton plug or metal caps

4982-Flasks

Flasks-Conical, Without Rim, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4982027 750 114 x 210 42 20
Suitable for culture work, designed for use in shaker machine

4989-Flasks

Erlenmeyer, Graduated, Conical, AMBER, with Narrow Mouth, BOROSIL
Product Code Capacity ml Approx O.D x Height mm Approx Neck O.D mm Quantity Per Case
4989016 100 64 x 105 25 50
4989018 150 72 x 124 28 50
4989021 250 85 x 140 34 40
4989024 500 104 x 185 38 20
4989029 1000 131 x 220 42 10
Similar in design to Cat. No. 4980

5000-Flasks

Erlenmeyer, Conical, Narrow Mouth, Interchangeable Joint, Borosil
Product Code Capacity ml Interchangeable Joint Quantity Per Case
5000012 50 19/26 10
5000016 100 24/29 10
5000021 250 24/29 10
5000024 500 24/29 5

5020-Flasks

Erlenmeyer, Conoical, Narrow Mouth, with Interchangeable Stopper, BOROSIL
Product Code Capacity ml Approx Height mm Interchangeable Joint Quantity Per Case
5020009 25 65 14/15 10
5020012 50 85 19/20 10
5020016 100 90 24/25 20
5020021 250 145 29/25 20
5020024 500 175 29/25 10

5021-Flasks Flasks

Conical, With Screw Cap, Borosil
Product Code Capacity ml Approx O.D. x Height mm Quantity Per Case
5021016 100 64 x 110 20
5021018 150 72 x 125 20
5021021 250 85 x 145 20
5021024 500 104 x 180 10
5021029 1000 131 x 225 10

5100-Flasks Flasks

Erlenmeyer, Conical, Wide Mouth, Borosil
Product Code Capacity ml Approx O.D. x Height mm Approx Neck O.D. mm Quantity Per Case
5100016 100 70 x 110 34 20
5100021 250 85 x 142 50 30
5100024 500 105 x 175 50 20
5100029 1000 130 x 220 56 10

5340-Flasks

Filtering, Heavy Wall, Bolt Neck, With Tubulation, Borosil
Product Code Capacity ml Approx O.D. x Height mm Quantity Per Case
5340012 50 52 x 86 30
5340016 100 64 x 108 20
5340021 250 85 x 155 10
5340024 500 105 x 184 20
5340029 1000 136 x 227 10
5340030 2000 168 x 270 5
5340033 5000 237 x 390 2
5340038 **10000 230 x 488 1
5340040 **20000 290 x 580 1
** These flasks are bottle shaped These flasks are blown in special moulds, in shapes designed to give maximum mechanical strength.The neck finish is designed for strength and to allow satisfactory stopper fit. For use with our Buchner Funnel No. 36060 and Gooch Crucible No. 32060 with sintered discs in different porosities.

5350-Flasks

All Glass Filter Holder-47mm, Borosil
Product Code Capacity ml Filtration Base Size mm Quantity Per Case
5350024 500 47 1
5350029 1000 47 1
5350030 2000 47 1
Spares For All Glass Filter Holder-47mm
Product Code Capacity ml Description
5350124 500 ml Flask For Filter Holder
5350129 1000 ml Flask For Filter Holder
5350130 2000 ml Flask For Filter Holder
5350S01 300 ml Funnel For Filter Holder
5350S02 47 mm Filter Support Base For Filter Holder
5350S03 47 mm Aluminium Clamp for Filter Holder
5350-All Glass Filter Holder Assembly -90mm,, Borosil
Product Code Capacity ml Filtration Base Size mm Quantity Per Case
5350033 5000 90 1
Spares For All Glass Filter Holder-90mm
Product Code Capacity ml Description
5350133 5000 ml Flask For Filter Holder With B 55 Cone
5350233 1000 ml Funnel For Filter Holder Flask
5350333 90 mm Filter Support Base For Filter Holder
5350433 90 mm Aluminum Clamp for Filter Holder

5360-Flasks

Glass Filter Holder With Silicon Stopper-47mm, Borosil
Product Code Capacity ml Filtration Base Size mm Quantity Per Case
5360029 1000 47 1
5360030 2000 47 1
Spares For Glass Filter Holder With Silicon Stopper-47mm
Product Code Capacity ml Description
5360129 1000 ml Flask For Filter Holder
5360130 2000 ml Flask For Filter Holder
5350S01 300 ml Funnel For Filter Holder
5360S02 47 mm Filter Support Base For Filter Holder With Silicon
5350S03 47 mm Aluminium Clamp for Filter Holder

5370-Flasks

Filter Holder With Silicon Stopper-25 mm, Borosil
Product Code Capacity ml Filtration Base Size mm Quantity Per Case
5370017 125 25 1
Spares For Glass Filter Holder With Silicon Stopper-25 mm
Product Code Capacity ml Description
5370S01 125 ml Flask For Filter Holder
5370S02 15 ml Funnel For Filter Holder
5370S03 25 mm Filter Support Base For Filter Holder With Silicon
5370S04 25mm Aluminium Clamp for Filter Holder

5400-Flasks

Iodine Determination, Interchangeable Stopper, Borosil
Product Code Capacity ml Interchangeable Joint Quantity Per Case
5400016 100 24 / 29 10
5400021 250 24 / 29 10
5400024 500 24 / 29 10
These flasks are blown specially for iodine value determination as per method of A.S.T.M. D-29. The Stopper handle projects above the liquid seal trough to facilitate its removal.

5420-Flasks

Kjeldahl, Round Bottom, Long Neck, Borosil
Product Code Capacity ml Approx O.D. x Height mm Quantity Per Case
5420006 10 30 x 180 10
5420010 30 40 x 180 10
5420016 100 61 x 210 20
5420022 300 80 x 298 20
5420024 500 100 x 325 20
5420028 800 113 x 375 20
These flasks, specifically styled for nitrogen determination as per kjeldahl method are provided with tooled necks for extra strength and stopper fit.

5430-Flasks

Kjeldahl, Round Bottom, Interchangeable Joint, Borosil
Product Code Capacity ml Approx O.D. x Height mm Interchangeable Joint Quantity Per Case
5430024 500 100 x 320 24 / 29 20
5430028 800 113 x 375 24 / 29 20
Similar in design to Cat No. 5420 but with interchangeable joint, 500 ml capacity flask is a component part for Ammonia Distilling Apparatus Cat. No.3340