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Drying Agent Data

Drying Agent Data

Drying agent Regenerated /

temp in C to

constant weight

Applicable for Not

applicable for

Residual

water: mg

of water

vapor per

liter ofdried air

Grams of

water

removed

per gram

of desiccant

Aluminum no Alcohols

Aluminum

oxide

yes/650**

**aluminum

oxide which hasbeen used to

remove peroxides

must not be

regenerated

Hydrocarbons,

ethers and other

solvents

Compounds

which contain

epoxide,

carbonyl orthio groups,

carbon

disulfide

0.003 0.2

Calcium no Alcohols

Calciumchloride

yes / 250 Saturated, olefinicand aromatic

hydrocarbons,

alkyl halides,

esters, many esters

Ammonia,amines,

alcohols,

aldehydes,

phenols, some

esters, ketones

0.14-0.25 0.15-0.30

Calcium

hydride

no Gas drying,

organic solvents,

also ketones,

esters

Compounds

with active

hydrogen

0.85

Calcium oxide yes / 1000 Ammonia,

amines, alcohols,

nitrous oxide

Acids, acid

derivatives,

aldehydes,

ketones

0.2 0.3

Calcium sulfate yes / 190-230 Universalapplications

0.07 0.07

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Drying Agent Data

Sicacide

Sulfuric acid

concentrated

no Inert neutral and

acidic gases and

in desiccators

Unsaturated

and other

organic

compounds,

hydrogen

sulfide,

hydrogen

iodide

0.003

Sicapent

Phosphorus

pentoxide

no Gases, neutral and

acidic saturated

aliphatic and

aromatic

hydrocarbons,

acetylene,

anhydrides,nitriles, alkyl and

aryl halides,

carbon disulfide

and in desiccators

Alcohols,

amines, acids

ketones,

ethers,

hydrogen

chloride,

hydrogenfluoride

max.

000025

Silica gel yes / 150-250 Gas drying, wide

use for organic

liquids

Hydrogen

fluoride

0.002 0.2

Sodium no Ethers, saturated

aliphatic and

aromatic

hydrocarbons,

tertiary amines

Acids, acid

derivatives,

alcohols,

aldehydes,

ketones

Sodium

hydroxide

no Basic liquids, e.g.

amines

Acids, acid

derivatives,phenols

Sodium oxide no Ethers, amines,

nitriles, amides,

alcohols

Acids, acid

derivatives,

phenols

Sodium sulfate yes / 150 Alkyl and aryl

halides, fattyacids, esters,

aldehydes, ketones

12 1.25

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Drying Agent Data

Sodium-

potassium alloy

no Ethers, saturated

aliphatic and

aromatic

hydrocarbons

Acids, acid

derivatives,

alcohols,

aldehydes,

ketones, alkyl

and aryl

halides

0.08

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