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Sigma-Aldrich

Aluminum hydroxide hydrate

powder, <45 μm

Synonym(s):

Aluminum(III) hydroxide hydrate

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About This Item

Linear Formula:
Al(OH)3 · xH2O
CAS Number:
Molecular Weight:
78.00 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352311
PubChem Substance ID:
NACRES:
NA.23

form

powder

Quality Level

particle size

<45 μm

anion traces

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.01%

SMILES string

O.O[Al](O)O

InChI

1S/Al.4H2O/h;4*1H2/q+3;;;;/p-3

InChI key

SMYKVLBUSSNXMV-UHFFFAOYSA-K

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General description

Aluminum hydroxide hydrate, also known as alumina trihydrate (ATH). It is utilized in a wide variety of applications, serving as an adsorbent, emulsifier, ion-exchanger, and catalyst.

Application

Aluminum hydroxide hydrate can be used:
  • To fabricate Zn anodes for rechargeable aqueous batteries. It helps to form hybrid protective layer to form dendrite free electrode.
  • To prepare flame retardant composites. The addition of ATH led to a substantial decrease in heat and smoke release, as well as a reduction in the generation of harmful volatile compounds during the combustion of asphalt.
  • To fabricate coating material for battery separators for Li-ion batteries.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis and Surface Modification of LiCo1/3Ni1/3Mn1/3O2 for Lithium Battery Applications
Ganguli, B., et al.
Journal of Electronic Materials, 43(4), 1062-1070 (2014)
Synthesis and Characterization of Al(OH)3, Al2O3 Nanoparticles and Polymeric Nanocomposites
Goudarzi, M., et al.
Journal of Cluster Science, 27(1), 25-38 (2016)
New flame-retardant composite separators based on metal hydroxides
for lithium-ion batteries
Yeon, D., et al.
Electrochimica Acta, 157, 282-289 (2015)
Expanding performance limit of lithium-ion batteries simply by mixing Al(OH)3 powder with LiCoO2
Lee, H., et al.
Journal of Power Sources, 176(1), 359-362 (2008)
Yu Ri Woo et al.
International journal of molecular sciences, 21(17) (2020-08-28)
Air pollution reportedly contributes to the development and exacerbation of atopic dermatitis (AD). However, the exact mechanism underlying this remains unclear. To examine the relationship between air pollution and AD, a clinical, histological, and genetic analysis was performed on particulate

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