Record Information
Version2.0
Creation Date2009-06-19 21:58:52 UTC
Update Date2014-12-24 20:24:02 UTC
Accession NumberT3D1501
Identification
Common NameDihydroxyaluminium
ClassSmall Molecule
DescriptionAluminium monostearate is an organic compound which is a salt of stearic acid and aluminium. It has the molecular formula Al(OH)2C18H35O2. It is also referred to as dihydroxyaluminium or dihydroxy(stearato)aluminium. It is used to form gels in the packaging of pharmaceuticals, and in the preparation of colors for cosmetics. It is usually safe in commercial products, but aluminium may accumulate in the body.
Compound Type
  • Aluminum Compound
  • Amine
  • Drug
  • Metabolite
  • Organic Compound
  • Organometallic
  • Synthetic Compound
Chemical Structure
Thumb
Synonyms
Synonym
Alumanyl 2-aminoacetate dihydrate
Dihydroxyaluminum aminoacetate
Chemical FormulaC2H8AlNO4
Average Molecular Mass137.071 g/mol
Monoisotopic Mass137.027 g/mol
CAS Registry Number13682-92-3
IUPAC Name[(2-aminoacetyl)oxy]alumanylidene dihydrate
Traditional Name[(2-aminoacetyl)oxy]alumanylidene dihydrate
SMILESO.O.[Al+].NCC([O-])=O
InChI IdentifierInChI=1S/C2H5NO2.Al.2H2O/c3-1-2(4)5;;;/h1,3H2,(H,4,5);;2*1H2/q;+1;;/p-1
InChI KeyInChIKey=RBNPZEHAODHBPZ-UHFFFAOYSA-M
Chemical Taxonomy
Description belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids and derivatives
Alternative Parents
Substituents
  • Alpha-amino acid or derivatives
  • Carboxylic acid salt
  • Monocarboxylic acid or derivatives
  • Organic metal salt
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic salt
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Cytoplasm
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
LogP-1.85
Predicted Properties
PropertyValueSource
logP0.49ChemAxon
pKa (Strongest Basic)7.19ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area52.32 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity15.08 m³·mol⁻¹ChemAxon
Polarizability8.34 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-0900000000-7a6f8b9e624d48664e9a2016-06-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0006-0900000000-7a6f8b9e624d48664e9a2016-06-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-0900000000-7a6f8b9e624d48664e9a2016-06-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-0900000000-efc1446bd72cb1ca44702016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-0900000000-efc1446bd72cb1ca44702016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-0900000000-efc1446bd72cb1ca44702016-08-03View Spectrum
Toxicity Profile
Route of ExposureOral (5) ; inhalation (5)
Mechanism of ToxicityThe main target organs of aluminum are the central nervous system and bone. Aluminum binds with dietary phosphorus and impairs gastrointestinal absorption of phosphorus. The decreased phosphate body burden results in osteomalacia (softening of the bones due to defective bone mineralization) and rickets. Aluminum's neurotoxicity is believed to involve several mechanisms. Changes in cytoskeletal protein functions as a results of altered phosphorylation, proteolysis, transport, and synthesis are believed to be one cause. Aluminum may induce neurobehavioral effects by affecting permeability of the blood-brain barrier, cholinergic activity, signal transduction pathways, lipid peroxidation, and impair neuronal glutamate nitric oxide-cyclic GMP pathway, as well as interfere with metabolism of essential trace elements because of similar coordination chemistries and consequent competitive interactions. It has been suggested that aluminum's interaction with estrogen receptors increases the expression of estrogen-related genes and thereby contributes to the progression of breast cancer (1), but studies have not been able to establish a clear link between aluminum and increased risk of breast cancer (3). Certain aluminum salts induce immune responses by activating inflammasomes. (5, 1, 2) Aluminum hydroxide is one component of the antacids recommended in the treatment of stomach ulcers and gastritis. Antacids perform a neutralization reaction, ie. they buffer gastric acid, raising the pH to reduce acidity in the stomach. When gastric hydrochloric acid reaches the nerves in the gasitrointestinal mucosa, they signal pain to the central nervous system. This happens when these nerves are exposed, as in peptic ulcers. The gastric acid may also reach ulcers in the esophagus or the duodenum. Other mechanisms may contribute, such as the effect of aluminum ions inhibiting smooth muscle cell contraction and delaying gastric emptying. Aluminum is known to bind troponin C (a muscle protein) and to interfere with voltage-dependent calcium transport. Aluminum also binds to and inhibits the activity of mitochondrial voltage gated channels (VDAC).
MetabolismAluminum is poorly absorbed following either oral or inhalation exposure and is essentially not absorbed dermally. The bioavailability of aluminum is strongly influenced by the aluminum compound and the presence of dietary constituents which can complex with aluminum and enhance or inhibit its absorption. Aluminum binds to various ligands in the blood and distributes to every organ, with highest concentrations found in bone and lung tissues. In living organisms, aluminum is believed to exist in four different forms: as free ions, as low-molecular-weight complexes, as physically bound macromolecular complexes, and as covalently bound macromolecular complexes. Absorbed aluminum is excreted principally in the urine and, to a lesser extent, in the bile, while unabsorbed aluminum is excreted in the faeces. (5)
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not listed by IARC. IARC classified aluminum production as carcinogenic to humans (Group 1), but did not implicate aluminum itself as a human carcinogen. (8) A link between use of aluminum-containing antiperspirants and increased risk of breast cancer has been proposed (1), but studies have not been able to establish a clear link (3).
Uses/SourcesAluminium glycinate is an antacid. (7)
Minimum Risk LevelIntermediate Oral: 1.0 mg/kg/day (4) Chronic Oral: 1.0 mg/kg/day (4)
Health EffectsAluminum targets the nervous system and causes decreased nervous system performance and is associated with altered function of the blood-brain barrier. The accumulation of aluminum in the body may cause bone or brain diseases. High levels of aluminum have been linked to Alzheimer's disease. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (5, 6)
SymptomsInhalating aluminum dust causes coughing and abnormal chest X-rays. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (5, 6)
TreatmentNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
DrugBank IDDB01375
HMDB IDHMDB15457
PubChem Compound ID18502861
ChEMBL IDNot Available
ChemSpider ID17615602
KEGG IDNot Available
UniProt IDNot Available
OMIM ID
ChEBI IDNot Available
BioCyc IDNot Available
CTD IDC007420
Stitch IDAluminium glycinate
PDB IDNot Available
ACToR ID20148
Wikipedia LinkAluminium_monostearate
References
Synthesis Reference

Jeffrey L. Kaufman, “Preparation of dihydroxyaluminium sodium carbonate.” U.S. Patent US4438085, issued October, 1977.

MSDSNot Available
General References
  1. Darbre PD: Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. [16489580 ]
  2. Aimanianda V, Haensler J, Lacroix-Desmazes S, Kaveri SV, Bayry J: Novel cellular and molecular mechanisms of induction of immune responses by aluminum adjuvants. Trends Pharmacol Sci. 2009 Jun;30(6):287-95. doi: 10.1016/j.tips.2009.03.005. Epub 2009 May 11. [19439372 ]
  3. Willhite CC, Karyakina NA, Yokel RA, Yenugadhati N, Wisniewski TM, Arnold IM, Momoli F, Krewski D: Systematic review of potential health risks posed by pharmaceutical, occupational and consumer exposures to metallic and nanoscale aluminum, aluminum oxides, aluminum hydroxide and its soluble salts. Crit Rev Toxicol. 2014 Oct;44 Suppl 4:1-80. doi: 10.3109/10408444.2014.934439. [25233067 ]
  4. ATSDR - Agency for Toxic Substances and Disease Registry (2001). Minimal Risk Levels (MRLs) for Hazardous Substances. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
  5. ATSDR - Agency for Toxic Substances and Disease Registry (2008). Toxicological profile for aluminum. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
  6. Wikipedia. Aluminium. Last Updated 16 June 2009. [Link]
  7. Wikipedia. Aluminium glycinate. Last Updated 20 March 2009. [Link]
  8. International Agency for Research on Cancer (2014). IARC Monographs on the Evaluation of Carcinogenic Risks to Humans. [Link]
Gene Regulation
Up-Regulated GenesNot Available
Down-Regulated GenesNot Available

Targets

General Function:
Voltage-gated anion channel activity
Specific Function:
Forms a channel through the mitochondrial outer membrane and also the plasma membrane. The channel at the outer mitochondrial membrane allows diffusion of small hydrophilic molecules; in the plasma membrane it is involved in cell volume regulation and apoptosis. It adopts an open conformation at low or zero membrane potential and a closed conformation at potentials above 30-40 mV. The open state has a weak anion selectivity whereas the closed state is cation-selective (PubMed:11845315, PubMed:18755977, PubMed:20230784, PubMed:8420959). May participate in the formation of the permeability transition pore complex (PTPC) responsible for the release of mitochondrial products that triggers apoptosis (PubMed:15033708, PubMed:25296756).
Gene Name:
VDAC1
Uniprot ID:
P21796
Molecular Weight:
30772.39 Da
References
  1. Zhang DW, Colombini M: Inhibition by aluminum hydroxide of the voltage-dependent closure of the mitochondrial channel, VDAC. Biochim Biophys Acta. 1989 Apr 25;991(1):68-78. [2469483 ]
  2. Zhang DW, Colombini M: Group IIIA-metal hydroxides indirectly neutralize the voltage sensor of the voltage-dependent mitochondrial channel, VDAC, by interacting with a dynamic binding site. Biochim Biophys Acta. 1990 Jun 27;1025(2):127-34. [1694685 ]
General Function:
Voltage-gated anion channel activity
Specific Function:
Forms a channel through the mitochondrial outer membrane that allows diffusion of small hydrophilic molecules. The channel adopts an open conformation at low or zero membrane potential and a closed conformation at potentials above 30-40 mV. The open state has a weak anion selectivity whereas the closed state is cation-selective.
Gene Name:
VDAC2
Uniprot ID:
P45880
Molecular Weight:
31566.265 Da
References
  1. Zhang DW, Colombini M: Inhibition by aluminum hydroxide of the voltage-dependent closure of the mitochondrial channel, VDAC. Biochim Biophys Acta. 1989 Apr 25;991(1):68-78. [2469483 ]
  2. Zhang DW, Colombini M: Group IIIA-metal hydroxides indirectly neutralize the voltage sensor of the voltage-dependent mitochondrial channel, VDAC, by interacting with a dynamic binding site. Biochim Biophys Acta. 1990 Jun 27;1025(2):127-34. [1694685 ]
General Function:
Voltage-gated anion channel activity
Specific Function:
Forms a channel through the mitochondrial outer membrane that allows diffusion of small hydrophilic molecules.
Gene Name:
VDAC3
Uniprot ID:
Q9Y277
Molecular Weight:
30658.45 Da
References
  1. Zhang DW, Colombini M: Inhibition by aluminum hydroxide of the voltage-dependent closure of the mitochondrial channel, VDAC. Biochim Biophys Acta. 1989 Apr 25;991(1):68-78. [2469483 ]
  2. Zhang DW, Colombini M: Group IIIA-metal hydroxides indirectly neutralize the voltage sensor of the voltage-dependent mitochondrial channel, VDAC, by interacting with a dynamic binding site. Biochim Biophys Acta. 1990 Jun 27;1025(2):127-34. [1694685 ]
General Function:
Zinc ion binding
Specific Function:
Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Ligand-dependent nuclear transactivation involves either direct homodimer binding to a palindromic estrogen response element (ERE) sequence or association with other DNA-binding transcription factors, such as AP-1/c-Jun, c-Fos, ATF-2, Sp1 and Sp3, to mediate ERE-independent signaling. Ligand binding induces a conformational change allowing subsequent or combinatorial association with multiprotein coactivator complexes through LXXLL motifs of their respective components. Mutual transrepression occurs between the estrogen receptor (ER) and NF-kappa-B in a cell-type specific manner. Decreases NF-kappa-B DNA-binding activity and inhibits NF-kappa-B-mediated transcription from the IL6 promoter and displace RELA/p65 and associated coregulators from the promoter. Recruited to the NF-kappa-B response element of the CCL2 and IL8 promoters and can displace CREBBP. Present with NF-kappa-B components RELA/p65 and NFKB1/p50 on ERE sequences. Can also act synergistically with NF-kappa-B to activate transcription involving respective recruitment adjacent response elements; the function involves CREBBP. Can activate the transcriptional activity of TFF1. Also mediates membrane-initiated estrogen signaling involving various kinase cascades. Isoform 3 is involved in activation of NOS3 and endothelial nitric oxide production. Isoforms lacking one or several functional domains are thought to modulate transcriptional activity by competitive ligand or DNA binding and/or heterodimerization with the full length receptor. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3. Isoform 3 can bind to ERE and inhibit isoform 1.
Gene Name:
ESR1
Uniprot ID:
P03372
Molecular Weight:
66215.45 Da
References
  1. Darbre PD: Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. [16489580 ]
General Function:
Transcription factor binding
Specific Function:
As the sensor component of the NLRP3 inflammasome, plays a crucial role in innate immunity and inflammation. In response to pathogens and other damage-associated signals, initiates the formation of the inflammasome polymeric complex, made of NLRP3, PYCARD and CASP1 (and possibly CASP4 and CASP5). Recruitement of proCASP1 to the inflammasome promotes its activation and CASP1-catalyzed IL1B and IL18 maturation and secretion in the extracellular milieu. Activation of NLRP3 inflammasome is also required for HMGB1 secretion (PubMed:22801494). The active cytokines and HMGB1 stimulate inflammatory responses. Inflammasomes can also induce pyroptosis, an inflammatory form of programmed cell death. Under resting conditions, NLRP3 is autoinhibited. NLRP3 activation stimuli include extracellular ATP, reactive oxygen species, K(+) efflux, crystals of monosodium urate or cholesterol, beta-amyloid fibers, environmental or industrial particles and nanoparticles, etc. However, it is unclear what constitutes the direct NLRP3 activator. Independently of inflammasome activation, regulates the differentiation of T helper 2 (Th2) cells and has a role in Th2 cell-dependent asthma and tumor growth (By similarity). During Th2 differentiation, required for optimal IRF4 binding to IL4 promoter and for IRF4-dependent IL4 transcription. Binds to the consensus DNA sequence 5'-GRRGGNRGAG-3'. May also participate in the transcription of IL5, IL13, GATA3, CCR3, CCR4 and MAF (By similarity).
Gene Name:
NLRP3
Uniprot ID:
Q96P20
Molecular Weight:
118171.375 Da
References
  1. Aimanianda V, Haensler J, Lacroix-Desmazes S, Kaveri SV, Bayry J: Novel cellular and molecular mechanisms of induction of immune responses by aluminum adjuvants. Trends Pharmacol Sci. 2009 Jun;30(6):287-95. doi: 10.1016/j.tips.2009.03.005. Epub 2009 May 11. [19439372 ]
References
  1. ATSDR - Agency for Toxic Substances and Disease Registry (2008). Toxicological profile for aluminum. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
General Function:
Troponin t binding
Specific Function:
Troponin is the central regulatory protein of striated muscle contraction. Tn consists of three components: Tn-I which is the inhibitor of actomyosin ATPase, Tn-T which contains the binding site for tropomyosin and Tn-C. The binding of calcium to Tn-C abolishes the inhibitory action of Tn on actin filaments.
Gene Name:
TNNC1
Uniprot ID:
P63316
Molecular Weight:
18402.36 Da
References
  1. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [11752352 ]