18616

Kaolin

heavy, powder

• Synonym(s): Aluminum silicate hydroxide, Bolus, Hydrated aluminum silicate
• Linear Formula: ~Al₂Si₂O₅(OH)₄
• CAS Number: 1332-58-7
• EC Number: 310-194-1
• MDL number: MFCD00062311
• UNSPSC Code: 11111803
• NACRES: NA.25
• form: powder

Properties

• form: powder
• Quality Level: 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

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)