K7375
Kaolin
Synonym(s):
Aluminum silicate hydroxide, Bolus, Hydrated aluminum silicate
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About This Item
Linear Formula:
~Al2Si2O5(OH)4
CAS Number:
UNSPSC Code:
11111803
NACRES:
NA.21
EC Number:
310-194-1
MDL number:
Form:
powder
SMILES string
[Si](=O)(O[Si](=O)O[Al]=O)O[Al]=O.O.O
InChI key
NLYAJNPCOHFWQQ-UHFFFAOYSA-N
InChI
1S/2Al.O5Si2.2H2O.2O/c;;1-6(2)5-7(3)4;;;;/h;;;2*1H2;;/q2*+1;-2;;;;
form
powder
loss
≤2.0% loss on drying
pH range
3.5-5.0(20% in water)
pH
3.5-5.0 (20% in water)
Quality Level
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Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Application
Kaolin has been used:
- For preparing synthetic turbid water that is employed to evaluate the biosorption capacity of Moringa oleifera leaves.
- In combination with carrageenan to induce arthritic inflammation in a rat model for evaluating the activity of JAK3 (janus kinase 3) inhibitors.
- In a study to assess its utility for microparticle-enhanced cultivation (MPEC) of 2-phenylethanol and 6-pentyl-α-pyrone.
General description
Kaolin is hydrated aluminum silicate. Its water sorption isotherms, desorption isotherms, desorption enthalpy and entropy have been determined. The impact of its addition to styrene-butadiene rubber composites has been investigated. The thermal degradation of kaolin has been analyzed.
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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Characterization and thermal behavior of kaolin.
Wang H, et al.
Journal of Thermal Analysis and Calorimetry, 105(1), 157-160 (2011)
Zandra Gerdes et al.
Scientific reports, 9(1), 10695-10695 (2019-07-25)
The occurrence of microplastic in the environment is of global concern. However, the microplastic hazard assessment is hampered by a lack of adequate ecotoxicological methods because of conceptual and practical problems with particle exposure. In the environment, suspended solids (e.g.
Thermodynamic and mechanical characterisation of kaolin clay.
Hammouda I and Mihoubi D.
Polish Journal of Chemical Technology, 16(1), 28-35 (2014)
The influence of kaolin and calcined kaolin on SBR composite properties.
Ahmed NM and El-Sabbagh SH.
Polymer Composites, 35(3), 570-580 (2014)
M M W Etschmann et al.
Yeast (Chichester, England), 32(1), 145-157 (2014-06-10)
Trichoderma atroviride IMI 206040 synthesizes the coconut lactone 6-pentyl-α-pyrone (6-PAP) de novo and Aspergillus niger DSM 821 produces the rose-like flavour compound 2-phenylethanol (2-PE) from the precursor l-phenylalanine. Here, microparticles of different chemical composition and nominal particle diameter in the
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