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P2148

Sigma-Aldrich

Phytic acid hexabarium salt

from corn

Synonym(s):

myo-Inositol hexakis(dihydrogen phosphate), Inositol hexakisphosphate, Inositol hexaphosphoric acid, InsP6

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About This Item

Empirical Formula (Hill Notation):
C6H6Ba6O24P6
CAS Number:
90940-73-1
Molecular Weight:
1471.90
MDL number:
MFCD00082314
UNSPSC Code:
12352201
PubChem Substance ID:
24898278

biological source

corn

form

powder

SMILES string

[Ba].OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O

InChI

1S/C6H18O24P6.Ba.2H/c7-31(8,9)25-1-2(26-32(10,11)12)4(28-34(16,17)18)6(30-36(22,23)24)5(29-35(19,20)21)3(1)27-33(13,14)15;;;/h1-6H,(H2,7,8,9)(H2,10,11,12)(H2,13,14,15)(H2,16,17,18)(H2,19,20,21)(H2,22,23,24);;;

InChI key

NIHMMAFTTFPSGJ-UHFFFAOYSA-N

Biochem/physiol Actions

Phytic acid is present in all eukaryotic cells. In plants, it is known to function as a [PO4]3− storage depot and precursor for other inositol phosphates and pyrophosphates. Its high surface negative charge makes it a potent chelator of divalent and trivalent cations in vitro, and it is most likely associated with Ca2+ or Mg2+ ions in vivo. In yeast, phytic acid acts with the nuclear pore protein Gle1 to regulate the nuclear export of mRNA by coactivating the RNA-dependent ATPase activity of DExD-box protein 5 (Dbp5).

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
020F37841

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Inositol and its phosphate metabolites play a pivotal role in several biochemical pathways and gene expression regulation: inositol pyrophosphates (PP-IPs) have been increasingly appreciated as key signaling modulators. Fluctuations in their intracellular levels hugely impact the transfer of phosphates and
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Noriane M L Simon et al.
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