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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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