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trans-11-Octadecenoic acid

trans-11-Octadecenoic acid structure

CAS No.: 143-25-9

Chemical Name:: trans-11-Octadecenoic acid

Synonyms: VACCENIC ACID;VaccenicAcid,~85%;TRANS-VACCENIC ACID;TRANS-11-OLEIC ACID;11-OCTADECENOIC ACID;VACCENIC ACID (TRANS);(11Z)-Octadecenoicacid;trans-11-Octadecenoic acid;11-TRANS-OCTADECENOIC ACID;11-OCTADECENOIC ACID (TRANS)

CBNumber:: CB1750131

Molecular Formula:: C18H34O2

Molecular Weight:: 282.46

MDL Number:: MFCD00002734

MOL File:: 143-25-9.mol

Last updated:2026-09-12 18:50:04

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trans-11-Octadecenoic acid Properties

Melting point	38.4 °C
Boiling point	155-156 °C(Press: 0.0002 Torr)
Density	0.899±0.06 g/cm3(Predicted)
storage temp.	−20°C
pka	4.78±0.10(Predicted)
LogP	7.700 (est)
CAS DataBase Reference	143-25-9

SAFETY

Risk and Safety Statements

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	1

trans-11-Octadecenoic acid Chemical Properties, Uses, Production

Definition

ChEBI: Vaccenic acid is an octadecenoic acid having a double bond at position 11; and which can occur in cis- or trans- configurations. It is an octadecenoic acid and a straight-chain fatty acid. It is a conjugate acid of a vaccenate(1-).

trans-11-Octadecenoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

trans-11-Octadecenoic acid Suppliers

Global Suppliers ( 21)

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-17392587031	1059@dideu.com	China	9885	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
Honghanyanxin Pharm	0551-62626652 19334025048	sales-honghanyanxin@aliyun.com	China	1448	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
Honghanyanxin Pharm	58

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TRANS-11-OLEIC ACID TRANS-VACCENIC ACID VACCENIC ACID VACCENIC ACID (TRANS) 11-TRANS-OCTADECENOIC ACID 11-OCTADECENOIC ACID 11-OCTADECENOIC ACID (TRANS) VaccenicAcid,~85% (11Z)-Octadecenoicacid DELTA 11 TRANS OCTADECENOIC ACID trans-11-Octadecenoic acid 143-25-9 CH3CH25CHCHCH29COOH Biochemicals and Reagents BioChemical Lipids Monoenoic fatty acids Others Unsaturated fatty acids and derivatives Fatty Acids