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255963

Sigma-Aldrich

Aluminum phosphate

99.99% trace metals basis

Synonym(s):

Aluminum monophosphate, Aluminum orthophosphate

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About This Item

Empirical Formula (Hill Notation):
AlO4P
CAS Number:
7784-30-7
Molecular Weight:
121.95
EC Number:
232-056-9
MDL number:
MFCD00003430
UNSPSC Code:
12352302
PubChem Substance ID:
24855498
NACRES:
NA.23

Assay

99.99% trace metals basis

form

(Powder or Crystal or Chunk(s))

impurities

≤150.0 ppm Trace Metal Analysis

density

2.56 g/mL at 25 °C (lit.)

SMILES string

[Al+3].[O-]P([O-])([O-])=O

InChI

1S/Al.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+3;/p-3

InChI key

ILRRQNADMUWWFW-UHFFFAOYSA-K

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General description

Aluminum phosphate is a white crystalline solid with excellent thermal stability and a wide bandgap. It also possesses high dielectric constant and insulation properties. It is widely used in the field of solar cells, capacitors, and fuel cells.

Application

Aluminum phosphate can be used:
  • As a coating material to modify the surface of NCM cathode of Li-ion batteries. It helps to enhance the discharge capacity and capacity retention ability of batteries.
  • As a bifunctional additive to fabricate electrode for Li-S batteries. It acts as a lithium polysulfide capturing agent to reduce and stabilize interfacial resistance during cycling.
  • To fabricate polypropylene separator with low ionic impedances and high thermal/electrochemical stability. This leads to improved ionic conductivity and Li-ion diffusion coefficient.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Fikru Tafesse et al.
Talanta, 83(5), 1491-1495 (2011-01-18)
A highly selective and sensitive phosphate sensor has been fabricated by constructing a crystal disk consisting of variable mixtures of aluminium powder (Al), aluminium phosphate (AlPO(4)) and powdered copper (Cu). The membrane sensor exhibits linear potential response in the concentration
Unified internal architecture and surface barriers for molecular diffusion of microporous crystalline aluminophosphates.
Lukasz Karwacki et al.
Angewandte Chemie (International ed. in English), 49(38), 6790-6794 (2010-08-18)
Wenlei Xie et al.
Bioresource technology, 119, 60-65 (2012-06-26)
WO(3)/AlPO(4) catalysts were prepared by impregnation of AlPO(4) with ammonium metatungstate. Powder X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and thermo gravimetric and differential thermal analysis (TG-DTA) demonstrated that the tungsten compound was incorporated into AlPO(4) forming the catalyst
Ai-Hsiang Chou et al.
PloS one, 7(4), e34834-e34834 (2012-04-25)
Enterovirus 71 (EV71) has caused several epidemics of hand, foot and mouth diseases (HFMD) in Asia and now is being recognized as an important neurotropic virus. Effective medications and prophylactic vaccine against EV71 infection are urgently needed. Based on the
Yanyan Wang et al.
Inorganic chemistry, 50(5), 1820-1825 (2011-01-21)
Three new iron aluminum phosphates |(C(2)H(10)N(2))(4)|[Fe(8 - x)Al(x)F(x)(H(2)O)(2 - x)(PO(4))(8)]·2H(2)O (χ = 1.64, 1.33, 0.80) with ACO-zeotype structures denoted as FeAPO-CJ66(a), FeAPO-CJ66(b), and FeAPO-CJ66(c), respectively, have been synthesized in the fluoride ion system. Their framework structures are made of double 4-ring (D4R) building units
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