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Substance Name: Linoleic acid
RN: 60-33-3
UNII: 9KJL21T0QJ
InChIKey: OYHQOLUKZRVURQ-HZJYTTRNSA-N
Notes
- A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed)
- Extractives and their physically modified derivatives. Vitis, Vitidaceae.
Molecular Formula
- C18-H32-O2
Molecular Weight
- 280.4488
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Code
- Skin / Eye Irritant
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Names and Synonyms
Name of Substance
- 9,12-Octadecadienoic acid
- Grape seed oil
- Linoleic acid
- Oils, grape seed
MeSH Heading
- Linoleic Acid
Synonyms
- 9,12-Octadecadienoic acid, (Z,Z)-
- 9-cis,12-cis-Linoleic acid
- 9Z,12Z-Linoleic acid
- AI3-11132
- all-cis-9,12-Octadecadienoic acid
- alpha-Linoleic acid
- CCRIS 650
- cis,cis-9,12-Octadecadienoic acid
- cis,cis-Linoleic acid
- cis-9,cis-12-Octadecadienoic acid
- cis-delta9,12-Octadecadienoic acid
- EINECS 200-470-9
- Emersol 310
- Emersol 315
- Extra Linoleic 90
- FEMA No. 3380
- Grape seed oil
- HSDB 5200
- Linoleic acid
- Linolic acid
- NSC 281243
- Polylin 515
- Polylin No. 515
- Telfairic acid
- Unifac 6550
- UNII-9KJL21T0QJ
Systematic Names
- 9,12-Octadecadienoic acid (9Z,12Z)-
- 9,12-Octadecadienoic acid, (Z,Z)-
- Linoleic acid
- Linoleic acid, pure
- Oils, grape
Superlist Names
- (Z,Z)-9,12-Octadecadienoic acid
- Linoleic acid
Registry Numbers
CAS Registry Number
- 60-33-3
FDA UNII
- 9KJL21T0QJ
Other Registry Numbers
- 8024-22-4
- 949900-18-9
System Generated Number
- 0000060333
Structure Descriptors
InChI
1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6-,10-9-InChIKey
OYHQOLUKZRVURQ-HZJYTTRNSA-NSmiles
CCCCC/C=C\C/C=C\CCCCCCCC(=O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 280mg/kg (280mg/kg) | Yakugaku Zasshi. Journal of Pharmacy. Vol. 104, Pg. 793, 1984. | |
| mouse | LD50 | oral | > 50gm/kg (50000mg/kg) | United States Patent Document. Vol. #3728459, | |
| rat | LD50 | intraperitoneal | > 50gm/kg (50000mg/kg) | Oyo Yakuri. Pharmacometrics. Vol. 4, Pg. 327, 1970. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | -8.50E+00 | deg C | EXP | |
| Boiling Point | 365.2 | deg C | EXP | |
| pKa Dissociation Constant | 4.77 | (none) | 25 | EXP |
| log P (octanol-water) | 7.05 | (none) | EXP | |
| Water Solubility | 0.139 | mg/L | 25 | EST |
| Henry's Law Constant | 5.11E-06 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 1.29E-10 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.