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Merck

1.04440

Kaolin

powder

Synonym(s):

Kaolin

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
11111803
EC Index Number:
310-194-1
NACRES:
NB.51

Product Name

Kaolin, powder

SMILES string

[Si](=O)(O[Si](=O)O[Al]=O)O[Al]=O.O.O

InChI

1S/2Al.O5Si2.2H2O.2O/c;;1-6(2)5-7(3)4;;;;/h;;;2*1H2;;/q2*+1;-2;;;;

InChI key

NLYAJNPCOHFWQQ-UHFFFAOYSA-N

impurities

≤0.001% Pb (Lead)
≤2.0% Substances soluble in hydrochloric acid

loss

≤15.0% loss on ignition, 600°C

pH

6-7 (20 °C, 50 g/L in H2O, slurry)

density

2.6 g/cm3 at 20 °C

bulk density

470 kg/m3

storage temp.

no temp limit

Quality Level

Analysis Note

Identity: passes test
Substances soluble in hydrochloric acid: ≤ 2.0 %
Appearance of substance (colour): passes test
Appearance of substance (description): passes test
Carbonate: passes test
Iron: passes test
Pb (Lead): ≤ 0.001 %
Loss on ignition (600 °C): ≤ 15.0 %

Other Notes

Replaces: KX0006-1

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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