Merck
All Photos(1)

18616

Sigma-Aldrich

Kaolin

heavy, powder

Synonym(s):
Aluminum silicate hydroxide, Bolus, Hydrated aluminum silicate
Linear Formula:
~Al2Si2O5(OH)4
CAS Number:
EC Number:
MDL number:
NACRES:
NA.25

form

powder

Quality Level

quality

heavy

impurities

acid. or alk. react. impurities, in accordance
organic impurities, in accordance
≤0.01% heavy metals (as Pb)
≤1% soluble in acid (as SO4)

capacity

in accordance absorption capacity

anion traces

chloride (Cl-): ≤250 mg/kg
sulfate (SO42-): ≤1000 mg/kg

cation traces

Ca: ≤250 mg/kg

suitability

in accordance for identity
passes test for swelling capacity

application(s)

pharmaceutical (small molecule)

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

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K1512606091.04440
Sigma-Aldrich

Sigma-Aldrich

18616

Kaolin

Kaolin meets USP testing specifications

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Sigma-Aldrich

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60609

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Supelco

1.04440

Kaolin

form

powder

form

solid

form

solid

form

-

impurities

acid. or alk. react. impurities, in accordance, organic impurities, in accordance, ≤0.01% heavy metals (as Pb), ≤1% soluble in acid (as SO4)

impurities

-

impurities

-

impurities

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

anion traces

chloride (Cl-): ≤250 mg/kg, sulfate (SO42-): ≤1000 mg/kg

anion traces

-

anion traces

-

anion traces

-

cation traces

Ca: ≤250 mg/kg

cation traces

-

cation traces

-

cation traces

-

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

quality

heavy

quality

-

quality

-

quality

-

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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