Octadecanoic acid,ion(1-) (646-29-7)

Identification
Name:	Octadecanoic acid,ion(1-)
Synonyms:	Stearicacid, ion(1-) (8CI); Octadecanoate; Stearate
CAS:	646-29-7
Molecular Formula:	C18H35 O2
Molecular Weight:	0
InChI:	InChI=1/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)/p-1
Molecular Structure:
Properties
Melting Point:	69.3 deg C
Flash Point:	162.4°C
Boiling Point:	359.4°C at 760 mmHg
Solubility:	Slightly soluble in ethanol, benzene; soluble in acetone, chloroform, carbon disulfide 1 gram dissolves in 21 mL alcohol, 5 mL benzene, 2 mL chloroform, 26 mL acetone, 6 mL carbon tetrachloride, 3.4 mL carbon disulfide; also soluble in amyl acetate, toluene Soluble in alcohol, ether, chloroform, carbon disulfide, carbon tetrachloride; insoluble in water In water, 0.597 mg/L at 25 deg C In water, 0.568 mg/L at 25 deg C
Specification:	Stearate (CAS NO.646-29-7) is the anion form of stearic acid. Formula is C₁₇H₃₅COO⁻. Stearate is a salt or ester of stearic acid. Stearic acid is a colorless, odorless, waxlike fatty acid, occurring in natural animal and vegetable fats and used in making soaps, candles, lubricants, and other products Stearic Acid is a typical example of a fatty acid, which are essentially long hydrocarbon chains containing a carboxyl group at one end and a methyl group at the other. The chain lengths can vary from 3 (propionic acid) to 24 (lignoceric acid) but the majority of fatty acids found in hydrogenated vegetable or animal oils are around C16-C20 in length. Stearic acid is a saturated acid, since there are no double bonds between neighbouring carbon atoms. This means that the hydrocarbon chain is flexible and can roll up into a ball or stetch out into a long zig-zag.
Flash Point:	162.4°C
Color:	Monoclinic leaflets from alcohol White leaflets Colorless, waxy solid
Safety Data

Octadecanoic acid,ion(1-) (646-29-7)

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