Glassware Catalog

Multi-Neck Flasks - Sigma-Aldrich Glassware Catalog


Filtration  •  Flat-Bottom  •  Round-Bottom  •  Multi-Neck  •  Schlenk  •  Septum-Inlet  •  Accessories


On this page:
Aldrich round-bottom distilling flasksJacketed 3-neck flasks
Three-neck round-bottom flasksSolid-phase peptide synthesis flasks
Four-neck round-bottom flasks
Five-neck round-bottom flasks


Aldrich round-bottom distilling flasks

Two-neck, angled, S.T. joints

Cap. (mL)
S.T. Joints
Catalog Number
50
14/20
100
14/20
100
24/40
250
14/20
250
24/40
250
29/32
500
14/20
500
24/40
500
29/32
500
34/45
(24/40 side)
1000
24/40
1000
29/32
1000
34/45
(24/40 side)



Three-neck, S.T. joints.

Cap. (mL)
S.T.
Joints
Angled
Catalog Number
Vertical
Catalog Number
50
14/20
100
14/20
100
24/40
250
14/20
250
24/40
500
14/20
500
24/40
500
29/32
500
34/45
(24/40 side)
1000
24/40
1000
29/32
1000
34/45
(24/40 side)

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Jacketed 3-neck flasks


Features:
  • Eliminates dead space for complete stirring of flask contents
  • Allows for complete draining without breaking down flask set-up
  • Liquid cooled or heated with liquid or steam
  • S.T. 24/40 side joints

Cap. (mL)
Center neck
S.T. joint
Half jacket
Catalog Number
Full jacket
Catalog Number
500
24/40
500
29/42
1,000
24/40
1,000
29/42
2,000
29/42
3,000
34/45
5,000
45/50
12,000
45/50
22,000
55/50




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Three-neck round-bottom flasks

All three necks are vertical in position. Additional flask and joint sizes
are available.

Cap. (mL)
Center neck
S.T. joint
Side neck
S.T. joints
Full jacket
Catalog Number
12,000
34/45
24/40
12,000
45/50
24/40
22,000
45/50
24/40
22,000
45/50
45/50
22,000
45/50
65/40 (socket)
50,000
45/50
24/40



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Solid-phase peptide synthesis flasks

Has three S.T. 24/40 side joints and a center joint that varies in size according to capacity of flask. Coarse frit (25 to 505m) and PTFE Rotaflo stopcock permit rapid filtration and washing of resin.

Cap. (mL)
Center
S.T. Joint
Catalog Number
1,000
24/40
5,000
34/45
12,000
45/50

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Four-neck round-bottom flasks

All four necks are vertical in position. The fourth neck is set at a 90° angle to the three vertical in-line necks. Additional flask and joint sizes are available.


Cap.
(mL)
Center neck
S.T. joint
Side neck
S.T. joints
90° Angle neck S.T.joint
Catalog Number
12,000
34/45
24/40
24/40
12,000
45/50
24/40
24/40
12,000
55/50
24/40
24/40
12,000
55/50
65/40
(socket)
24/40
12,000
75/50
(socket)
65/40
(socket)
24/40
12,000
75/50
(socket)
75/50
(socket)
24/40
22,000
45/50
24/40
24/40
22,000
45/50
65/40
(socket)
24/40
22,000
55/50
65/40
(socket)
24/40
22,000
75/50
(socket)
75/50
(socket)
24/40
50,000
45/50
24/40
24/40
50,000
102/75
(socket)
75/50
(socket)
24/40
72,000
102/75
(socket)
75/50
(socket)
24/40


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Five-neck round-bottom flasks

All five necks are vertical in position. The flask is configured with a center neck, two side necks and two front necks. Additional flask and joint sizes are available.


Cap.
(mL)
Center neck
S.T. joint
Side neck
S.T. joints
Front neck
S.T. joints
Catalog Number
12,000
45/50
24/40
24/40
22,000
45/50
24/40
24/40
22,000
45/50
65/40
(socket)
24/40
50,000
45/50
24/40
24/40
50,000
55/50
65/40
(socket)
24/40
50,000
102/75 (socket)
75/50
(socket)
24/40
72,000
102/75 (socket)
75/50
(socket)
24/40


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See the Heating Mantles Section for the
full listings of Glas-Col heating mantles.