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Substance Name: Kaolin [USP:JAN]
RN: 1332-58-7
UNII: 24H4NWX5CO
InChIKey: NLYAJNPCOHFWQQ-UHFFFAOYSA-N

Notes

  • The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: "high ridge"), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed)
  • TSCA Definition 2018: A clay that is essentially kaolinite, a hydrated aluminum silicate. It has a high fusion point and is the most refractory of all clays.

Molecular Formula

  • Unspecified

Molecular Weight

  • 258.1586
 

Classification Codes

Classification Codes

  • Adsorbant
  • Antidiarrheals
  • Gastrointestinal Agents
  • Reproductive Effect
  • TSCA UVCB

Superlist Classification Codes

  • TWA (15 mg/m3 total dust; 5 mg/m3 respirable fraction)
  • TWA 2 mg/m3; (Inhalable particulate matter containing no asbestos and < 1% crystalline silica); Not classifiable as a human carcinogen

Names and Synonyms

Name of Substance

  • Bolus alba
  • China clay
  • Kaolin
  • Kaolin [USP:JAN]

MeSH Heading

  • Kaolin

Synonyms

  • AA Kaolin
  • Acidic white clays
  • Airflo V 8
  • Alfaplate
  • Alphacoat
  • Alphagloss
  • Altowhite
  • Altowhites
  • Amazon 88
  • Amazon 90
  • Amazon Kaolin 855D
  • Apsilex
  • Arcilla blanca
  • Argiflex
  • Argilla
  • Argilla alba
  • Argirec B 22
  • Argirec KN 15
  • ASP (mineral)
  • ASP Ultrafine
  • Astra-Glaze
  • Bentone
  • beta Coat
  • Bilt Plate 156
  • BOL Blanc
  • Bolus alba
  • Burgess 10
  • CB 1 (clay)
  • CB 2 (clay)
  • CCRIS 9288
  • Century HC
  • China clay
  • Clay 347
  • Clays, white, acidic
  • Comalco
  • Comalco Kaolin
  • Electros
  • Emathlite
  • EPA Pesticide Chemical Code 100104
  • Fitrol
  • Fitrol desiccite 25
  • Glomax
  • HSDB 630
  • Hydrated aluminum silicate
  • Hydrite
  • Kao-gel
  • Kaolin
  • Kaolin colloidal
  • Kaolinite
  • Kaopaous
  • Kaophills-2
  • Langford
  • Light kaolin
  • Mcnamee
  • Osmo kaolin
  • Parclay
  • Porcelain clay
  • Snow tex
  • UNII-24H4NWX5CO
  • Vanclay
  • White bole

Systematic Names

  • Clay (kaolin)
  • Kaolin

Superlist Names

  • Clay slurry
  • Kaolin
  • Kaolin clay slurry

Mixture Names

  • Donnagel
  • Kaopectate

Registry Numbers

CAS Registry Number

  • 1332-58-7

FDA UNII

  • 24H4NWX5CO

Other Registry Numbers

  • 1026990-70-4
  • 12198-85-5
  • 12199-11-0
  • 1227491-10-2
  • 190086-05-6
  • 290817-34-4
  • 384842-32-4
  • 39406-22-9
  • 52624-41-6
  • 849104-81-0
  • 862272-04-6
  • 903527-69-5
  • 90803-81-9
  • 944250-63-9
  • 95077-05-7

System Generated Number

  • 0001332587

Structure Descriptors

InChI

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

InChIKey

NLYAJNPCOHFWQQ-UHFFFAOYSA-N

Smiles

[SiH](=O)(O[SiH](=O)O[AlH]=O)O[AlH]=O.O.O