Aluminium dihydrogenphosphate

Aluminium dihydrogenphosphate
Identifiers
CAS Number	13530-50-2;
3D model (JSmol)	Interactive image;
EC Number	236-875-2;
PubChem CID	9818426;
	InChI InChI=1S/Al.3H3O4P/c;31-5(2,3)4/h;3(H3,1,2,3,4)/q+3;;;/p-3 Key: RGPUVZXXZFNFBF-UHFFFAOYSA-K;
	SMILES OP(=O)(O)[O-].OP(=O)(O)[O-].OP(=O)(O)[O-].[Al+3];
Properties
Chemical formula	AlH6O12P3
Molar mass	317.939 g·mol−1
Appearance	white solid
Density	2.37 g/cm3
Hazards
Safety data sheet	External SDS
GHS pictograms
GHS hazard statements	H318
GHS precautionary statements	P280, P305+351+338, P310
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Aluminium dihydrogenphosphate describes inorganic compounds with the formula Al(H₂PO₄)₃^.xH₂O where x = 0 or 3. They are white solids. Upon heating these materials convert sequentially to a family of related polyphosphate salts including aluminium triphosphate (AlH₂P₃O₁₀^.2H₂O), aluminium hexametaphosphate (Al₂P₆O₁₈), and aluminium tetrametaphosphate (Al₄(P₄O₁₂)₃). Some of these materials are used for fireproofing and as ingredients in specialized glasses.^[2]

According to analysis by X-ray crystallography, the structure consists of a coordination polymer featuring octahedral Al³⁺ centers bridged by tetrahedral dihydrogen phosphate ligands. The dihydrogen phosphate ligands are bound to Al³⁺ as monodentate ligands.^[3]

References

↑ "Aluminum Phosphate Monobasic". American Elements. https://www.americanelements.com/aluminum-phosphate-monobasic-13530-50-2. Retrieved January 21, 2019.
↑ Klaus Schrödter; Gerhard Bettermann; Thomas Staffel; Friedrich Wahl; Thomas Klein; Thomas Hofmann (2008). "Phosphoric Acid and Phosphates". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_465.pub3. ISBN 978-3527306732.
↑ Brodalla, D.; Kniep, R.; Mootz, D. (1981). "Eine neue Form von Al(H₂PO₄)₃ mit dreidimensionaler Al-O-P Vernetzung". Zeitschrift für Naturforschung B 36: 907–909. doi:10.1515/znb-1981-0803.

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[sds-1] "Aluminum Phosphate Monobasic". American Elements. https://www.americanelements.com/aluminum-phosphate-monobasic-13530-50-2. Retrieved January 21, 2019.

[Ullmann-2] Klaus Schrödter; Gerhard Bettermann; Thomas Staffel; Friedrich Wahl; Thomas Klein; Thomas Hofmann (2008). "Phosphoric Acid and Phosphates". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_465.pub3. ISBN 978-3527306732.

[3] Brodalla, D.; Kniep, R.; Mootz, D. (1981). "Eine neue Form von Al(H₂PO₄)₃ mit dreidimensionaler Al-O-P Vernetzung". Zeitschrift für Naturforschung B 36: 907–909. doi:10.1515/znb-1981-0803.

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Identifiers


CAS Number	13530-50-2
3D model (JSmol)	Interactive image
EC Number	236-875-2
PubChem CID	9818426
InChI InChI=1S/Al.3H3O4P/c;31-5(2,3)4/h;3(H3,1,2,3,4)/q+3;;;/p-3 Key: RGPUVZXXZFNFBF-UHFFFAOYSA-K
SMILES OP(=O)(O)[O-].OP(=O)(O)[O-].OP(=O)(O)[O-].[Al+3]
Properties
Chemical formula	AlH₆O₁₂P₃
Molar mass	317.939 g·mol⁻¹
Appearance	white solid
Density	2.37 g/cm³
Hazards
Safety data sheet	External SDS
GHS pictograms	^[1]
GHS hazard statements	H318
GHS precautionary statements	P280, P305+351+338, P310
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Aluminium dihydrogenphosphate

Topic: Chemistry

References