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KAOLIN Structure

KAOLIN

Chemical Properties

Melting point 1750 °C
Density  2,6 g/cm3
refractive index  1.6200
storage temp.  no restrictions.
solubility  Practically insoluble in diethyl ether, ethanol (95%), water, other organic solvents, cold dilute acids, and solutions of alkali hydroxides.
form  Powder
color  75-96, Hunter Brightness
PH 6-7 (50g/l, H2O, 20℃)(slurry)
Water Solubility  insoluble H2O, dilute acids and alkali hydroxides [HAW93]
Dielectric constant 1.8 - 2.8(0.0℃)
Stability Stable. Substances to be avoided include strong oxidizing agents.
InChI 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 [Si](=O)(O[Al]=O)O[Si](=O)O[Al]=O.O.O
Indirect Additives used in Food Contact Substances CLAY (KAOLIN)
SCOGS (Select Committee on GRAS Substances) Clay (kaolin) (packaging)
FDA 21 CFR 335.10; 346.14
EWG's Food Scores 1
FDA UNII 24H4NWX5CO
ATC code A07BC02
EPA Substance Registry System Kaolin (1332-58-7)
Cosmetics Info Kaolin

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H319-H315
Precautionary statements P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Safety Statements  22-24/25
WGK Germany  -
RTECS  GF1670500
TSCA  Yes
HS Code  25070090
Hazardous Substances Data 1332-58-7(Hazardous Substances Data)
NFPA 704:
0
2 0

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KAOLIN Chemical Properties,Usage,Production

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