Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • l-Malic acid [show]

General Information

Synonyms: HYDROXYSUCCINIC ACID
Chemical Names: 2-HYDROXYBUTANEDIOIC ACID
CAS number: 97-67-6
COE number: 17
JECFA number: 619
FEMA number: 2655
Functional Class: Flavouring Agent
FLAVOURING_AGENT

From apps.who.int


Evaluations

Evaluation year: 2018
ADI: No safety concern at current levels of intake when used as a flavouring agent (fifty-first meeting)
Meeting: 86
Specs Code: R
Comments: Considered for specification only.
Specification: FAO JECFA Monographs 22/99

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID222656
IUPAC Name(2S)-2-hydroxybutanedioic acid
InChIInChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1
InChI KeyBJEPYKJPYRNKOW-REOHCLBHSA-N
Canonical SMILESC(C(C(=O)O)O)C(=O)O
Molecular FormulaC4H6O5
WikipediaMalate Ion

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight134.087
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Complexity129.0
CACTVS Substructure Key Fingerprint A A A D c Y B g O A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A G g A A C A A A C B S g g A I A C A A A A g A I A A C Q C A I A A A A A A A A A A A F A A A A B E B Q A A A A A Q A A F I A A B A A B D A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area94.8
Monoisotopic Mass134.022
Exact Mass134.022
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count9
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count1

From Pubchem


Food Additives Biosynthesis/Degradation


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.7572
Human Intestinal AbsorptionHIA-0.5481
Caco-2 PermeabilityCaco2-0.8903
P-glycoprotein SubstrateNon-substrate0.7117
P-glycoprotein InhibitorNon-inhibitor0.9602
Non-inhibitor0.9676
Renal Organic Cation TransporterNon-inhibitor0.9675
Distribution
Subcellular localizationMitochondria0.6921
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8812
CYP450 2D6 SubstrateNon-substrate0.9020
CYP450 3A4 SubstrateNon-substrate0.7628
CYP450 1A2 InhibitorNon-inhibitor0.9521
CYP450 2C9 InhibitorNon-inhibitor0.9691
CYP450 2D6 InhibitorNon-inhibitor0.9587
CYP450 2C19 InhibitorNon-inhibitor0.9716
CYP450 3A4 InhibitorNon-inhibitor0.9066
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.9934
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9880
Non-inhibitor0.9665
AMES ToxicityNon AMES toxic0.9132
CarcinogensNon-carcinogens0.8138
Fish ToxicityHigh FHMT0.5431
Tetrahymena Pyriformis ToxicityLow TPT0.8367
Honey Bee ToxicityHigh HBT0.6290
BiodegradationReady biodegradable0.9522
Acute Oral ToxicityIII0.8028
Carcinogenicity (Three-class)Non-required0.7593

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility0.2767LogS
Caco-2 Permeability-0.9145LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.6100LD50, mol/kg
Fish Toxicity2.3205pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.7401pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassHydroxy acids and derivatives
SubclassBeta hydroxy acids and derivatives
Intermediate Tree NodesNot available
Direct ParentBeta hydroxy acids and derivatives
Alternative Parents
Molecular FrameworkAliphatic acyclic compounds
SubstituentsShort-chain hydroxy acid - Beta-hydroxy acid - Fatty acid - Dicarboxylic acid or derivatives - Alpha-hydroxy acid - Secondary alcohol - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta hydroxy acids and derivatives. These are compounds containing a carboxylic acid substituted with a hydroxyl group on the C3 carbon atom.

From ClassyFire