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Montmorillonite Structure

Montmorillonite

Chemical Properties

Density  2~3g/cm3
solubility  Practically insoluble in water and in aqueous solutions. It swells with a little water forming a malleable mass.
form  powder
color  Light yellow or green, cream,pink, gray to black solid
Odor odorless, sl. earthy taste
Water Solubility  Insoluble in water and forms a colloidal solution.
Merck  14,1055
Exposure limits ACGIH: TWA 1 mg/m3
Dielectric constant 8.1(Ambient)
Stability Stable.
CAS DataBase Reference 1302-78-9
FDA 21 CFR 184.1155; 582.1155; 175.105; 176.170; 178.3297
Substances Added to Food (formerly EAFUS) BENTONITE
SCOGS (Select Committee on GRAS Substances) Bentonite
EWG's Food Scores 1-2
FDA UNII A3N5ZCN45C
NCI Drug Dictionary montmorillonite
EPA Substance Registry System Bentonite (1302-78-9)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H319-H315-H335
Precautionary statements P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Risk Statements  20/22-8
Safety Statements  22-24/25
WGK Germany  3
RTECS  CT9450000
TSCA  Yes
Hazardous Substances Data 1302-78-9(Hazardous Substances Data)
Toxicity LD50 intravenous in rat: 35mg/kg
NFPA 704:
0
0 0

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Montmorillonite Chemical Properties,Usage,Production

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