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Supelco

Silica gel with moisture indicator (brown gel)

desiccant ~ 1 - 4 mm

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Synonym(s):
Brown Silica Gel
UNSPSC Code:
41123003
NACRES:
NB.51

Agency

suitable for EPA OTM-45

Quality Level

200

form

granular

surface area

700 m2/g

loss

≤2.0% loss on drying, 150°C

particle size

1-4 mm

pore size

2.0-2.5 nm

pH

2-10 (50 g/L in H2O, slurry)

mp

>1000 °C

storage temp.

2-30°C

General description

Silica gel with moisture indicator (brown gel) is commonly used as a desiccant in laboratories. Silica brown gel changes its color from brown to yellowish at water uptake from the atmosphere.

Analysis Note

Bulk density: about 75
Loss on drying (150 °C): ≤ 2.0 %
Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 20.0 %

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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