Azelaic acid

Azelaic acid
Names
	Preferred IUPAC name Nonanedioic acid
Identifiers
CAS Number	123-99-9 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1101094
ChEBI	CHEBI:48131 ;
ChEMBL	ChEMBL1238 ;
ChemSpider	2179 ;
DrugBank	DB00548 ;
ECHA InfoCard	100.004.246
EC Number	204-669-1;
Gmelin Reference	261342
IUPHAR/BPS	7484;
KEGG	D03034 ;
PubChem CID	2266;
UNII	F2VW3D43YT ;
CompTox Dashboard (EPA)	DTXSID8021640 ;
	InChI InChI=1S/C9H16O4/c10-8(11)6-4-2-1-3-5-7-9(12)13/h1-7H2,(H,10,11)(H,12,13) Key: BDJRBEYXGGNYIS-UHFFFAOYSA-N ; InChI=1/C9H16O4/c10-8(11)6-4-2-1-3-5-7-9(12)13/h1-7H2,(H,10,11)(H,12,13) Key: BDJRBEYXGGNYIS-UHFFFAOYAK;
	SMILES O=C(O)CCCCCCCC(=O)O;
Properties
Chemical formula	C9H16O4
Molar mass	188.22 g/mol
Appearance	white solid
Density	1.443 g/mL
Melting point	109 to 111 °C (228 to 232 °F; 382 to 384 K)
Boiling point	286 °C (547 °F; 559 K) at 100 mmHg
Solubility in water	2.14 g/L
Acidity (pKa)	4.550, 5.498
Pharmacology
ATC code	D10AX03 (WHO)
Routes of; administration	Topical
	Pharmacokinetics:
Bioavailability	Very low
Biological half-life	12 h
Legal status	AU: S2 (Pharmacy Only); US: ℞-only;
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319
Precautionary statements	P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Azelaic acid (AzA) is an organic compound with the formula HOOC(CH₂)₇COOH. This saturated dicarboxylic acid exists as a white powder. It is found in wheat, rye, and barley. It is a precursor to diverse industrial products including polymers and plasticizers, as well as being a component of a number of hair and skin conditioners. AzA inhibits tyrosinase.

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