Molecule structure of Nonanoic acid (CAS NO.112-05-0):

IUPAC Name: Nonanoic acid 
Molecular Weight: 158.23802 g/mol
Molecular Formula: C₉H₁₈O₂ 
Density: 0.921 g/cm³ 
Melting Point: 9 °C(lit.)
Boiling Point: 254.9 °C at 760 mmHg 
Flash Point: 114.9 °C
Index of Refraction: 1.44
Molar Refractivity: 45.3 cm³
Molar Volume: 171.7 cm³
Surface Tension: 33.1 dyne/cm 
Enthalpy of Vaporization: 52.03 kJ/mol
Vapour Pressure: 0.00867 mmHg at 25 °C 
Storage Temp.: 2-8 °C
Water Solubility: negligible
XLogP3: 3.5
H-Bond Donor: 1
H-Bond Acceptor: 2
Rotatable Bond Count: 7
Exact Mass: 158.13068
MonoIsotopic Mass: 158.13068
Topological Polar Surface Area: 37.3
Heavy Atom Count: 11
Canonical SMILES: CCCCCCCCC(=O)O
InChI: InChI=1S/C9H18O2/c1-2-3-4-5-6-7-8-9(10)11/h2-8H2,1H3,(H,10,11)
InChIKey: FBUKVWPVBMHYJY-UHFFFAOYSA-N
EINECS: 203-931-2
Product Categories: Alkylcarboxylic Acids; Monofunctional & alpha,omega-Bifunctional Alkanes; Monofunctional Alkanes 

 Nonanoic acid (CAS NO.112-05-0) is used as intermediates of liquid crystals. It is also used in the preparation of plasticizers and lacquers and as a herbicide. The derivative 4-nonanoylmorpholine is an ingredient in some pepper sprays.

Reported in EPA TSCA Inventory.

Hazard Codes: C
Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-28-36/37/39-45-28A 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 3265 8/PG 3
WGK Germany: 1
RTECS: RA6650000
HazardClass: 8
PackingGroup: III
HS Code: 29159080
Poison by intravenous route. Moderately toxic by ingestion. A severe skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

 Nonanoic acid (CAS NO.112-05-0) is also named as 1-Octanecarboxyic acid ; 1-Octanecarboxylic acid ; 4-02-00-01018 (Beilstein Handbook Reference) ; AI3-04164 ; BRN 1752351 ; Cirrasol 185A ; Cirrasol 185a ; EPA Pesticide Chemical Code 217500 ; Emfac 1202 ; FEMA No. 2784 ; HSDB 5554 ; Hexacid C-9 ; NSC 62787 ; Nonylic acid ; Pelargic acid ; Pelargon ; Pelargon [Russian] ; Pelargonic acid ; UNII-97SEH7577T ; n-Nonanoic acid ; n-Nonoic acid ; n-Nonylic acid . Nonanoic acid (CAS NO.112-05-0) is a clear, oily liquid with an unpleasant, rancid odor. It is nearly insoluble in water, but very soluble in chloroform, ether, and hexane. Nonanoic acid is a fatty acid which occurs naturally as esters in the oil of pelargonium.