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Oleic acid

CAS 112-80-1C18H34O2MW 282.26 g/mol

Oleic acid (CAS 112-80-1) — formula C18H34O2, molecular weight 282.26 g/mol.

Specifications

CAS Number112-80-1
Molecular FormulaC18H34O2
Molecular Weight282.26 g/mol
Melting Point61.3 °F (NTP, 1992)
Boiling Point547 °F at 100 mmHg (NTP, 1992)
LogP6.5

Purchase Profile

What this product is

Oleic acid is a chemical compound with CAS registry number 112-80-1 and molecular formula C18H34O2 (molecular weight 282.26 g/mol).

Identification

CAS number: 112-80-1

Its molecular formula C18H34O2 comprises 18 C, 34 H, 2 O atoms.

Also known as: Oleic acid · Type 70 oleic acid · Vegetable Oleic Acid

Frequently Asked Questions

What is the CAS number of Oleic acid?

The CAS registry number of Oleic acid is 112-80-1.

What is the molecular formula and molecular weight of Oleic acid?

Molecular formula C18H34O2, molecular weight 282.26 g/mol.

What other names is Oleic acid known by?

It is also registered under: Oleic acid, Type 70 oleic acid, Vegetable Oleic Acid.

PubChem Public Data

Public-database records for Oleic acid (CAS 112-80-1), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary65.4% (1368 / 2091)
Reported hazard statementsH315 (31.5%), H319 (22%)

This chemical does not meet GHS hazard criteria for 65.4% (1368 of 2091) of all reports.

H315 (31.5%): Causes skin irritation [Warning Skin corrosion/irritation]

Regulatory listings

Regulatory & Food ContactEU Flavoring substances
FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FORMULATION AID, LUBRICANT OR RELE
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
Flavoring Agents
FLAVOURING_AGENT: Flavouring Agent
Fat
GHS notification summary65.4% (1368 / 2091)

Physical description and handling notes

  • Oleic acid is a colorless to pale yellow liquid with a mild odor. Floats on water. (USCG, 1999)
  • Other Solid; CBI; Liquid; Wet Solid; Liquid; Liquid; Other Solid
  • Liquid with odor of lard; Darkens with air exposure; Purified grades: White liquid; Commercial grades: Yellow to red liquid; [Hawley] Colorless or light yellow liquid; mp = 4 deg C; [MSDSonline]
  • Liquid
  • COLOURLESS LIQUID. TURNS YELLOW-TO-BROWN ON EXPOSURE TO AIR.
  • colourless to pale yellow, oily liquid with a characteristic lard-like odour

Reported physical properties

沸点547 °F at 100 mmHg (NTP, 1992)
沸点360
沸点286 °C at 100 mm Hg
沸点194-195 °C (1.2 mm Hg)
熔点61.3 °F (NTP, 1992)
熔点13.4
熔点16.3 °C
熔点13.4 °C
闪点372 °F (NTP, 1992)
闪点189 °C

How this substance is indexed

CAS Registry Number112-80-1
PubChem CID445639
分子式C18H34O2
分子量282.26 g/mol
IUPAC 名称(Z)-octadec-9-enoic acid
InChIKeyZQPPMHVWECSIRJ-KTKRTIGZSA-N
UNII（FDA）2UMI9U37CP
ChEBI 编号CHEBI:16196
FEMA 编号2815
JECFA 编号333

Documented uses

  • Used to make soaps and detergents, to prepare turkey red oil, and to waterproof fabrics; Also used in polishing compounds, oiling wool, thickening lubricating oils, anionic and nonionic surfactants, plasticizers, waxes, ointments, cosmetics, and food-grade additives; Other uses are ore flotation, rodent extermination, and defoaming; [HSDB]
  • Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
  • Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
  • Metal Extraction and Refining [Category: Industry]
  • Prepn of turkey red oil, soft soap and other oleates; used in polishing cmpd; waterproofing textiles; in oiling wool; mfr driers; thickening lubricating oils. Pharmaceutical aid (solvent). The barium salt in rodent extermination.
  • Defoaming agent in wet-process phosphoric acid process

Names this substance appears under

oleic acid; 112-80-1; cis-9-Octadecenoic acid; (Z)-Octadec-9-enoic acid; Wecoline OO; Vopcolene 27; cis-Oleic acid; Glycon wo; Glycon RO; Oelsauere; Pamolyn 100; Elaidoic acid; Groco 5l; Oleinic acid; Groco 2; Groco 4

Computed molecular descriptors

分子量282.5
XLogP36.5
氢键供体数1
氢键受体数2
可旋转键数15
精确质量282.255880323
单同位素质量282.255880323
拓扑极性表面积37.3
重原子数20
形式电荷0

Database abstract

Oleic acid is identified by CAS 112-80-1, molecular formula C18H34O2 and molecular weight 282.26 g/mol. UNII 2UMI9U37CP; ChEBI 16196; InChIKey ZQPPMHVWECSIRJ-KTKRTIGZSA-N. 沸点: 547 °F at 100 mmHg (NTP, 1992); 沸点: 360; 沸点: 286 °C at 100 mm Hg.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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