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Linoleic acid Structure

Linoleic acid

Chemical Properties

Melting point -5 °C (lit.)
Boiling point 229-230 °C/16 mmHg (lit.)
Density  0.902 g/mL at 25 °C (lit.)
FEMA  3380 | 9,12-OCTADECADIENOIC ACID (48%) AND 9,12,15-OCTADECATRIENOIC ACID (52%)
refractive index  n20/D 1.466(lit.)
Flash point >230 °F
storage temp.  Store below +30°C.
solubility  NaOH: soluble1M
pka 4.77(at 25℃)
form  liquid
color  Clear yellow
Odor faint fatty
Water Solubility  INSOLUBLE
FreezingPoint  -5℃
Sensitive  Air Sensitive
λmax 270nm(H2O)(lit.)
JECFA Number 332
Merck  14,5505
BRN  1727101
Dielectric constant 2.6(0℃)
Stability Stable, but air and light sensitive. Combustible. Incompatible with strong oxidizing agents.
InChIKey OYHQOLUKZRVURQ-KQHSAVHASA-N
LogP 7.050
FDA 21 CFR 184.1065; 582.5065; 107.10; 107.100; 175.300; 357.210
Substances Added to Food (formerly EAFUS) LINOLEIC ACID
SCOGS (Select Committee on GRAS Substances) Linoleic acid
CAS DataBase Reference 60-33-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 9KJL21T0QJ
NIST Chemistry Reference 9,12-Octadecadienoic acid (Z,Z)-(60-33-3)
EPA Substance Registry System Linoleic acid (60-33-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H319
Precautionary statements P210-P305+P351+P338-P370+P378-P403+P235
Hazard Codes  Xi
Risk Statements  36-36/37/38
Safety Statements  26-24/25-36-37/39
RIDADR  UN1170 - class 3 - PG 2 - Ethanol
WGK Germany  1
RTECS  RF9990000
8-10-23
TSCA  Yes
HS Code  29161500
Hazardous Substances Data 60-33-3(Hazardous Substances Data)
Toxicity LD50 oral in mouse: > 50gm/kg
NFPA 704:
1
0 1

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