---
title: "Drying agents and cooling baths Template | MolDraw"
url: https://www.moldraw.com/templates/labref-drying-cooling/
description: "Drying agents and cooling baths template: Drying agents (MgSO₄, Na₂SO₄, CaCl₂, K₂CO₃, 3Å and 4Å sieves) with capacity, speed, use and what to avoid, beside a…"
lang: en
publisher: Scidart Academy
generated: 2026-10-28
---
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# Drying agents and cooling baths template

![Drying agents and cooling baths template: Drying agents (MgSO₄, Na₂SO₄, CaCl₂, K₂CO₃, 3Å and 4Å sieves) with capacity, speed, use and what to avoid, beside a table of cooling baths from ice/water (0 °C) to liquid nitrogen (−196 °C).](https://www.moldraw.com/templates/labref-drying-cooling.webp)

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Drying agents (MgSO₄, Na₂SO₄, CaCl₂, K₂CO₃, 3Å and 4Å sieves) with capacity, speed, use and what to avoid, beside a table of cooling baths from ice/water (0 °C) to liquid nitrogen (−196 °C).

## What the template shows

- Pick the drying agent for the solvent, and the bath for the temperature
- Drying agents for organic solutions
- Good for
- Avoid / note
- General work-ups; fine powder, filter it off
- Very acid-sensitive compounds (slightly Lewis acidic)
- General, neutral; granular, decant off
- Leaves more water; useless above 32 °C
- Hydrocarbons, alkyl halides, ethers; drying tubes
- Alcohols, amines, carbonyls, acids (complexes)
- Amines, ketones, basic solutions
- Acids and phenols (reacts)
- 3Å molecular sieves
- slow (h–days)
- MeOH, EtOH, MeCN to ppm water; only H₂O fits
- Activate first (300 °C, vacuum); dust
- 4Å molecular sieves
- THF, DCM, toluene, DMF, ethers
- MeOH, MeCN (taken up too); activate first
- Capacity: water taken up per gram of agent. Speed: time to dry a typical work-up solution (MgSO₄ minutes; Na₂SO₄ 15–30 min; sieves hours to days).
- Sieves: use 10–20% w/v of activated beads and leave the solvent standing on them (24–72 h) for ppm-level water.
- Cooling baths
- Ice / water
- Ice / NaCl (3:1 w/w)

Drawn with 4 atoms, 21 shapes – every one editable in MolDraw.

## Sources

- [Armarego, Purification of Laboratory Chemicals, 9th ed., Elsevier 2022](https://openlibrary.org/isbn/9780323999281) Textbook
- [CRC Handbook of Chemistry and Physics, 104th ed., CRC Press 2023](https://openlibrary.org/isbn/9781032655628) Textbook

## How to use this template

1. Press **Edit in MolDraw**. The template opens on the canvas of the free MolDraw editor.
2. Change anything: move structures, edit atoms and labels, recolour highlights or delete what you do not need.
3. Add your own structures, arrows and text next to it, or combine several templates on one page.
4. Export the drawing as PNG, SVG or PDF for slides, worksheets, theses and papers.

## Frequently asked questions

### Is the Drying agents and cooling baths template free?

You can preview the Drying agents and cooling baths template here and open and edit it in MolDraw for free. Downloading or exporting it is part of MolDraw Pro, together with the other premium templates.

### Can I edit the Drying agents and cooling baths template?

Yes. It opens as an ordinary MolDraw drawing, so every structure, arrow, label and colour can be changed, and you can add your own content around it.

### Is the chemistry checked?

Every structure is checked with RDKit and every curly arrow passes MolDraw’s electron-flow audit. The sources used are listed on this page.

### What is on the solvent properties card?

Boiling point, density, polarity and water miscibility of the common lab solvents.

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