Bentonite Nanoclay

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  • 1302-78-9
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Catalog Number
ACM1302789
Product Name
Bentonite Nanoclay
CAS
1302-78-9
Category
Porous Nanomaterials
Description
DryPowder; DryPowder, PelletsLargeCrystals; Liquid; OtherSolid;GREY TO WHITE POWDER OR LUMPS.
Synonyms
Montmorillonite; bentoquatam; Benclay; Bentonite magma; Bentonite Nanoclay, calcian-sodian; aluminium phyllosilicate
IUPAC Name
dioxosilane; oxo(oxoalumanyloxy)alumane; hydrate
Molecular Weight
180.1 g/mol
Molecular Formula
H2Al2O6Si
Canonical SMILES
O.O=[Al]O[Al]=O.O=[Si]=O
InChI
InChI=1S/2Al.O2Si.H₂O.3O/c;;1-3-2;;;;/h;;;1H2;;;
InChI Key
SVPXDRXYRYOSEX-UHFFFAOYSA-N
Melting Point
>1200 °C
Density
Relative density (water = 1): 2.5
Solubility
Insoluble in water and common organic solvents;Solubility in water: none
Appearance
White to gray powder
Color/Form
A clay containing appreciable amounts of the clay mineral montmorillonite; light yellow or green, cream, pink, gray to black solid;The color in the massive condition varies from yellowish-white to almost black. The powder is cream colored to pale brown.;Light to cream-colored impalpable powder;The Clay Spur benonite usually ranges from 0.5 to 2 meters thick ... generally light yellowish green on the outcrop, becoming bluish green away from the outcrop.;Southern or subbentonites are waxy and vary from blue when fresh to yellow when weathered.;Tertiary bentonite ranges from white to gray to yellow;Texas calcium bentonites range from 0.5 to 3 meters thick and varies from yellow to green to dark brown.;Cheto Arizona bentonite is white to light gray.
Complexity
247
Covalently-Bonded Unit Count
1
Decomposition
Hazardous decomposition products formed under fire conditions. - Aluminum oxide, silicon oxides
EC Number
215-108-5
Exact Mass
179.925142
Formal Charge
0
H-Bond Acceptor
10
H-Bond Donor
0
Heavy Atom Count
19
ICSC Number
0384
MDL Number
MFCD00130611
Monoisotopic Mass
179.925142
Odor
Odorless
Other Experimental
Resists high temperatures & may be sterilized by heat;Lamellar aluminum silicate, each lattice layer is sheet of hydrated alumina sandwiched between 2 silica sheets;Very fine powder free from grit, nearly white but may be pale buff or cream color; insoluble in water or acids; odorless with slightly earthy taste; it does not swell in organic solvents /Bentonite USP/;Feels greasy and soap-like ... has a high cation exchange capacity;Interstitial water held in the clay mineral lattice is an additional major factor controlling the plastic, bonding, compaction, suspension and other properties of montmorillonite-group clay minerals;The property of forming gels is very much increased by addition of small amt of alkaline substances such as magnesium oxide.;It has the property of forming highly viscous suspensions or gels with not less than ten times its weight of water.;Forms colloidal suspension in water with strongly thixotropic properties. There are two varieties: (1) sodium bentonite (Wyoming or western), has high swelling capacity in water, and (2) calcium bentonite (southern), with negligible swelling capacity.;The high-swelling Wyoming or sodium bentonites contain ca 30% moisture when delivered to the plant. The Southern or calcium bentonites have ca 25% moisture. The processed bentonite generally contains only 7-8% moisture, although because bentonite is hygroscopic, it may contain considerably more moisture when used.;Bentonites in which sodium montmorillonites are the major mineral constituent have a high swelling capacity.;Bentonites in which calcium montmorillonites are the major mineral constituent commonly have a low swelling capacity. The clays are commonly referred to as Southern or subbentonites.
Rotatable Bond Count
9
RTECS Number
CT9450000
Stability
Suspensions are most stable at a pH above 7.
UNII
B9M85U075P
XLogP3
1.1
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