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18616

Kaolin

Name: Kaolin
Brand: SIAL

heavy, powder

Synonym(s):

Aluminum silicate hydroxide, Bolus, Hydrated aluminum silicate

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About This Item

Linear Formula:

~Al₂Si₂O₅(OH)₄

CAS Number:

1332-58-7

UNSPSC Code:

11111803

NACRES:

NA.25

EC Number:

310-194-1

MDL number:

MFCD00062311

Form:

powder

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Properties

form

powder

Quality Segment

200

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 (SO₄^2-): ≤1000 mg/kg

cation traces

Ca: ≤250 mg/kg

suitability

in accordance for identity, passes test for swelling capacity

application(s)

pharmaceutical (small molecule)

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

Description

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Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

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