Freezing Point Instruments
McMaster-Carr FM-Approved Low-Pressure Iron Pipe Fitting
FM-Approved Low-Pressure Iron Pipe Fitting Degree Elbow Connector, 3/4 NPT Female
Sigma Aldrich Fine Chemicals Biosciences freezing vials 2.0 mL ster
FREEZING freezing vials 2.0 mL ster
Sigma Aldrich Fine Chemicals Biosciences freezing vials 2.0 mL ster
FREEZING freezing vials 2.0 mL ster
Sigma Aldrich Fine Chemicals Biosciences Mini DiazaldR apparatus Jo1EA
The mini Diazald apparatus bridges the gap between the System 45 diazomethane generator Z411736 (for preparing 1 mmol of diazomethane) and the Diazald kit (for preparing ~100 mmol of diazomethane). It consists of a reaction vessel and a condenser in one compact unit. This apparatus features a cold-finger in place of a water-jacketed condenser. When filled with dry ice/acetone slush the condenser efficiently prevents dangerous diazomethane/ether vapor from escaping. A separatory funnel Z100382 and a round-bottom receiving flask Z100358 (must be equipped with Clear-Seal(R) joints) are the only other glassware needed and can be purchased separately.NOTE Sigma-Aldrich is unable to supply certain Diazomethane precursors in some countries. Check availability of starting materials prior to glassware purchase.
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