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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 15:25:09 UTC
Update Date2021-09-26 23:10:38 UTC
HMDB IDHMDB0255635
Secondary Accession NumbersNone
Metabolite Identification
Common NameNitrilotriacetic acid
DescriptionNitrilotriacetic acid, also known as nitrilotriacetate or H3NTA, belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). The his-tag binds the metal of metal chelator complexes. Despite widespread use in cleaning products, the concentration in the water supply is too low to have a sizeable impact on human health or environmental quality. Nitrilotriacetic acid is a very strong basic compound (based on its pKa). Nitrilotriacetic acid is formally rated as a possible carcinogen (by IARC 2B) and is also a potentially toxic compound. In one application, NTA as a chelating agent removes Cr, Cu, and As from wood that had been treated with chromated copper arsenate. NTA is a tripodal tetradentate trianionic ligand. This compound has been identified in human blood as reported by (PMID: 31557052 ). Nitrilotriacetic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Nitrilotriacetic acid is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
Chemical FormulaC6H9NO6
Average Molecular Weight191.1388
Monoisotopic Molecular Weight191.042987025
IUPAC Name2-[bis(carboxymethyl)amino]acetic acid
Traditional Namenitrilotriacetic acid
CAS Registry NumberNot Available
SMILES
OC(=O)CN(CC(O)=O)CC(O)=O
InChI Identifier
InChI=1S/C6H9NO6/c8-4(9)1-7(2-5(10)11)3-6(12)13/h1-3H2,(H,8,9)(H,10,11)(H,12,13)
InChI KeyMGFYIUFZLHCRTH-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon).
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids
Alternative Parents
Substituents
  • Alpha-amino acid
  • Tricarboxylic acid or derivatives
  • Tertiary amine
  • Tertiary aliphatic amine
  • Amino acid
  • Carboxylic acid
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Amine
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB03040
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC14695
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNitrilotriacetic acid
METLIN IDNot Available
PubChem Compound8758
PDB IDNot Available
ChEBI ID44557
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]