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Stearidonic Acid (SDA) is used as an omega‑3 source—superior conversion to EPA/DHA compared to ALA
Stearidonic Acid (SDA) is added to oils, spreads, and fortified foods to boost omega‑3 value
Stearidonic Acid (SDA) is utilized in studies on fatty acid metabolism, inflammation, cardiovascular and cognitive health
CAS number: 20290‑75‑9
EC number: 606‑502‑1
IUPAC name: (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoic acid
Chemical formula: C18H28O2
Molar mass: 276.420 g·mol−1
SYNONYMS:
SDA, moroctic acid, cis‑6,9,12,15‑octadecatetraenoic acid, 6,9,12,15‑octadecatetraenoic acid, all‑cis‑6,9,12,15‑octadecatetraenoic acid, 6,9,12,15‑cis‑octadecatetraenoic acid, 18:4 n‑3, SDA, moroctic acid, cis-6,9,12,15-octadecatetraenoic acid, 6,9,12,15-octadecatetraenoic acid, (6Z,9Z,12Z,15Z)-octadecatetraenoic acid, all-cis-6,9,12,15-octadecatetraenoic acid, 6,9,12,15-octadecatetraenoate, 6,9,12,15-cis-octadecatetraenoic acid, 18:4n-3, (6Z,9Z,12Z,15Z)-Octadecatetraenoic acid, 6,9,12,15-Octadecatetraenoic acid, SDA, 6Z,9Z,12Z,15Z-Octadecatetraenoic acid, (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoic acid, (6Z,9Z,12Z,15Z)-Octadecatetraenoate, 6,9,12,15-Octadecatetraenoate, 6Z,9Z,12Z,15Z-Octadecatetraenoate, (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoate, Stearidonate, Stearidonic acid C18:4, FA(18:4(6Z,9Z,12Z,15Z)), FA(18:4n3), Moroctic acid
Stearidonic Acid (SDA), a long-chain omega-3 fatty acid (C18:4) with a range of health benefits, could be a game-changer in supplements and foods.
Stearidonic Acid (SDA) offers a clean label, and it is also vegan, traceable and may offer a highly scalable pathway to meeting omega-3 recommended daily intakes.
Stearidonic Acid (SDA) is an omega-3 polyunsaturated fatty acid (PUFA) with the chemical structure 18:4 n-3.
Stearidonic Acid (SDA) serves as a metabolic intermediate between alpha-linolenic acid (ALA) and eicosapentaenoic acid (EPA).
Stearidonic Acid (SDA) is found in certain plant oils such as echium, hempseed, and blackcurrant seed oil.
In equine nutrition, Stearidonic Acid (SDA) may be included in specialized fat supplements or oils to support omega-3 fatty acid intake.
It is valued for Stearidonic Acid (SDA)'s efficient conversion to EPA compared to ALA, potentially enhancing the anti-inflammatory fatty acid profile in the diet.
Stearidonic Acid (SDA) belongs to the class of organic compounds known as lineolic acids and derivatives.
These are derivatives of lineolic acid.
Lineolic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions.
Stearidonic Acid (SDA) is a type of omega-3 fatty acid that is found in seafood and can be obtained by desaturation of alpha-linolenic acid (ALA).
Stearidonic acid (SDA) is an omega-3 fatty acid, specifically an n-3 long-chain polyunsaturated fatty acid.
Stearidonic Acid (SDA) is known for its potential health benefits, including reducing inflammation and improving heart health.
Stearidonic Acid (SDA) has the chemical formula C18H29NO2 and a UNII (Unique Ingredient Identifier) of P4CEK3495O.
Stearidonic Acid (SDA) is a valuable omega-3 fatty acid with a range of potential health benefits and applications.
Its unique structure and properties make Stearidonic Acid (SDA) an important intermediate in the biosynthesis of other essential fatty acids.
As research continues to uncover the benefits and mechanisms of Stearidonic Acid (SDA), it is likely to become an increasingly important component of various industries, from food and pharmaceuticals to cosmetics and beyond.
USES and APPLICATIONS of STEARIDONIC ACID (SDA):
Stearidonic acid (SDA) is an omega-3 fatty acid that has garnered significant attention in recent years due to its potential health benefits and applications in functional foods and nutraceuticals.
-Industrial & Nutritional Uses of Stearidonic Acid (SDA):
Dietary supplement: Stearidonic Acid (SDA) is used as an omega‑3 source—superior conversion to EPA/DHA compared to ALA
Functional food ingredient: Stearidonic Acid (SDA) is added to oils, spreads, and fortified foods to boost omega‑3 value
Research tool: Stearidonic Acid (SDA) is utilized in studies on fatty acid metabolism, inflammation, cardiovascular and cognitive health
HEALTH BENEFITS AND APPLICATIONS OF STEARIDONIC ACID (SDA):
The health benefits of Stearidonic Acid (SDA) are numerous and well-documented.
Stearidonic Acid (SDA) has been shown to reduce inflammation, improve heart health, and support brain function.
Furthermore, Stearidonic Acid (SDA) has been used in various applications, including food supplements, pharmaceuticals, and cosmetics.
Stearidonic Acid (SDA)'s potential uses are still being explored, and ongoing research aims to fully elucidate its benefits and mechanisms of action.
SCIENTIFIC RESEARCH APPLICATIONS OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) has a wide range of scientific research applications:
*Chemistry:
Stearidonic Acid (SDA) is used as a precursor in the synthesis of other omega-3 fatty acids.
*Biology:
Studies have shown that Stearidonic Acid (SDA) can improve the eicosapentaenoic acid status in humans and cultured hepatocytes.
*Medicine:
Stearidonic Acid (SDA) has potential therapeutic effects, including anti-inflammatory properties and cardiovascular benefits.
*Industry:
Stearidonic Acid (SDA) is used in the production of dietary supplements and functional foods.
STRUCTURE AND PROPERTIES OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) is an 18-carbon fatty acid with four double bonds, located at carbons 6, 9, 12, and 15.
This unique configuration makes Stearidonic Acid (SDA) a valuable intermediate in the biosynthesis of other important omega-3 fatty acids, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
Due to its multiple double bonds, Stearidonic Acid (SDA) is highly unsaturated and prone to oxidation, which can lead to degradation and the formation of off-flavors and off-odors.
SOURCES AND PRODUCTION OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) can be found in various plant-based sources, including seeds from the Boraginaceae family, such as borage, evening primrose, and black currant.
Stearidonic Acid (SDA) can also be produced through microbial fermentation, which provides a more sustainable and efficient method of obtaining this valuable fatty acid.
Additionally, some companies have developed genetically modified crops that produce stearidonic acid, offering a promising alternative to traditional sources.
ALTERNATIVE PARENTS OF STEARIDONIC ACID (SDA):
*Long-chain fatty acids
*Unsaturated fatty acids
*Straight chain fatty acids
*Monocarboxylic acids and derivatives
*Carboxylic acids
*Organic oxides
*Hydrocarbon derivatives
*Carbonyl compounds
SUBSTITUENTS OF STEARIDONIC ACID (SDA):
*Octadecanoid
*Long-chain fatty acid
*Fatty acid
*Unsaturated fatty acid
*Straight chain fatty acid
*Monocarboxylic acid or derivatives
*Carboxylic acid
*Carboxylic acid derivative
*Organic oxygen compound
*Organic oxide
*Hydrocarbon derivative
*Organooxygen compound
*Carbonyl group
*Aliphatic acyclic compound
METABOLIC PATHWAYS OF STEARIDONIC ACID (SDA):
Overview of SDA Metabolism in Humans
Stearidonic Acid (SDA) is a polyunsaturated fatty acid that is metabolized in the human body through a series of enzyme-catalyzed reactions.
The metabolism of Stearidonic Acid (SDA) involves its conversion to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are known for their anti-inflammatory effects and importance in heart health and cognitive function.
STEARIDONIC ACID (SDA) IN OMEGA-3 METABOLISM
Significant dietary Stearidonic Acid (SDA) is commercially available only from vascular plant origins, although it occurs naturally at low levels (0.5 to 2 percent, typically) in edible oily fish.
Metabolically, Stearidonic Acid (SDA) is synthesized by humans from dietary alpha-linolenic acid (ALA, C18:3), a more widely abundant omega-3 found in some seed and nut oils such as flax and chia.
ALA is converted into Stearidonic Acid (SDA) by delta-six desaturase (Δ6D), an enzyme originating in the liver.
While critical to the synthesis of very long chain omega-3s, this enzymatic conversion is particularly inefficient in humans.
Stearidonic Acid (SDA) is then further converted to the widely studied and well-known omega-3 eicosapentaenoic acid (EPA, C20:5).
Human cell membranes require the highly unsaturated fatty acids to be incorporated as phospholipids in order to maintain proper fluidity, porosity and integrity, and to serve as reservoirs of anti-inflammatory response mediators.
While Stearidonic Acid (SDA) is itself a product of ALA metabolism, direct dietary Stearidonic Acid (SDA) intake offers people a much more efficient way to synthesize EPA from non-marine sources.
As such, Stearidonic Acid (SDA) has been dubbed a “pro-EPA" omega-3 fatty acid because it bypasses the Δ6D rate-limiting step in humans that causes plant-derived ALA sources to convert poorly to the more elongated omega-3 fatty acids EPA, DPA (C22:5) and DHA (C22:6).
Clinical studies have shown that while Stearidonic Acid (SDA) does not convert to DHA to any significant degree, Stearidonic Acid (SDA) converts to EPA in tissues and circulating cells up to five times more efficiently than ALA.
Further, because Stearidonic Acid (SDA) is less unsaturated than EPA and DHA, it is more stable, less prone to oxidation, and therefore more amenable in a wide variety of food and beverage applications where resulting “fishy" off-flavors present challenges to palatability and consumer acceptance.
PHYSICAL AND CHEMICAL PROPERTIES OF STEARIDONIC ACID (SDA):
The physical characteristics of Stearidonic Acid (SDA) reflect its polyunsaturated nature and influence its behavior in biological systems.
Stearidonic Acid (SDA) exhibits a density of 0.9334 grams per cubic centimeter at 15 degrees Celsius, which is typical for polyunsaturated fatty acids.
The melting point occurs at 200 degrees Celsius with accompanying decomposition, indicating thermal instability characteristic of highly unsaturated fatty acids.
The predicted boiling point reaches 382.5 degrees Celsius, though practical measurements are complicated by thermal decomposition at lower temperatures.
The refractive index of 1.4930 at 589.3 nanometers and 15 degrees Celsius provides optical characterization data useful for analytical identification.
Stearidonic Acid (SDA) demonstrates limited solubility in polar solvents but exhibits enhanced solubility in chloroform and other organic solvents.
The predicted logarithmic partition coefficient value of 5.890 indicates strong lipophilic character, consistent with incorporation into cellular membrane structures.
The predicted acid dissociation constant of 4.74 reflects the carboxylic acid functionality and influences the compound's ionization behavior in physiological environments.
HEALTH BENEFITS & BIOACTIVITY OF STEARIDONIC ACID (SDA):
*Anti-inflammatory:
Stearidonic Acid (SDA) can help produce EPA-derived eicosanoids, reducing inflammatory responses
*Cardiovascular support:
Stearidonic Acid (SDA) may lower triglycerides and improve vascular function by supplying EPA
*Cognitive and eye health:
Stearidonic Acid (SDA) contributes to DHA biosynthesis, important for brain and retinal functions
FUNCTIONAL CHARACTERISTICS OF STEARIDONIC ACID (SDA):
*Omega ratio:
18:4 n‑3; belongs to omega‑3 essential fatty acids
*Double bond geometry:
All cis, at positions Δ6, Δ9, Δ12, Δ15
*LogP:
~5.2–5.9, indicating high lipophilicity
*Biochemical precursor:
Stearidonic Acid (SDA) converts more effectively to EPA/DHA than ALA in humans
Stearidonic Acid (SDA) is a potent plant-based omega‑3 fatty acid with superior conversion efficiency to EPA and DHA in humans.
Stearidonic Acid (SDA) supports anti-inflammatory and cardiovascular health and is valuable in nutritional supplements and functional foods.
With a favorable safety profile and growing availability from both natural and GMO sources, it's a promising choice for individuals seeking an alternative to marine-sourced omega‑3s.
Stearidonic Acid (SDA) is an ω-3 fatty acid, sometimes called moroctic acid.
BIOSYNTHESIS OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) is biosynthesized from alpha-linolenic acid (ALA: C18H30O2; 18:3, n-3) by the enzyme delta-6-desaturase, which removes two hydrogen (H) atoms.
Stearidonic Acid (SDA) is a precursor to eicosapentaenoic acid.
As Stearidonic Acid (SDA) is a precursor to other fatty acids, there has been efforts to enhance the content of stearidonic acid in various crops, such as soybeans.
Stearidonic Acid (SDA) is also a precursor to N-acylethanolamine (NAEs).
Natural sources of this fatty acid are the seed oils of hemp, blackcurrant, corn gromwell, and Echium plantagineum, and the cyanobacterium Spirulina.
Stearidonic Acid (SDA) can also be synthesized in a lab.
BIOCHEMISTRY & METABOLISM OF STEARIDONIC ACID (SDA):
*Biosynthesis:
Formed in organisms from alpha‑linolenic acid (ALA, 18:3 n‑3) via Δ6‑desaturase
*Metabolic role:
Stearidonic Acid (SDA) is efficiently elongated and desaturated to produce EPA and DPA, and eventually DHA—making it a valuable dietary omega‑3 precursor
*Natural occurrence:
Present in certain seed oils such as blackcurrant, hemp, Echium, and cyanobacteria like Spirulina
*GMO sources:
Also produced in bioengineered soybean to enhance EPA/DHA levels in cooking oils
FUNDAMENTAL CHEMICAL IDENTITY OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) possesses the molecular formula C₁₈H₂₈O₂, indicating an eighteen-carbon fatty acid chain with four double bonds and a carboxylic acid functional group.
Stearidonic Acid (SDA) exhibits a molar mass of 276.420 grams per mole, which reflects its polyunsaturated nature compared to saturated fatty acids of equivalent chain length.
The systematic nomenclature follows International Union of Pure and Applied Chemistry conventions, designating Stearidonic Acid (SDA) as (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid.
This nomenclature precisely indicates the positions of the four double bonds at carbon positions 6, 9, 12, and 15, counting from the carboxyl terminus, with each double bond maintaining the Z (cis) stereochemical configuration.
The Chemical Abstracts Service registry number 20290-75-9 provides a unique identifier for Stearidonic Acid (SDA) in chemical databases and literature.
Alternative nomenclature systems refer to Stearidonic Acid (SDA) as moroctic acid, a traditional name that appears frequently in older biochemical literature.
The lipid nomenclature system designates Stearidonic Acid (SDA) as 18:4 omega-3, indicating eighteen carbon atoms with four double bonds in the omega-3 series.
The IUPAC International Chemical Identifier represents Stearidonic Acid (SDA) as InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12-.
PREPARATIVE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY (PREP-HPLC), STEARIDONIC ACID (SDA):
Chromatographic Conditions and Optimization
The Stearidonic Acid (SDA)-rich fraction from enzymatic processing is further purified using reversed-phase prep-HPLC.
A C18 column with a particle size of 5–10 µm and a mobile phase of acetonitrile-water (90:10, v/v) is typically employed.
Isocratic elution at 2 mL/min ensures baseline separation of Stearidonic Acid (SDA) from co-eluting fatty acids like γ-linolenic and α-linolenic acids.
This method achieves >99% Stearidonic Acid (SDA) purity, with recovery rates exceeding 85%.
The scalability of prep-HPLC makes Stearidonic Acid (SDA) suitable for industrial applications, though cost-effectiveness depends on solvent recycling systems.
PREPARATION METHODS OF STEARIDONIC ACID (SDA):
Initial Hydrolysis Using Candida rugosa Lipase
The first critical step in Stearidonic Acid (SDA) preparation involves liberating fatty acids from their triglyceride form in echium oil.
Candida rugosa lipase, a nonspecific hydrolase, has been employed to catalyze this process, yielding a free fatty acid fraction containing 39.5% Stearidonic Acid (SDA).
This enzyme’s broad substrate specificity allows simultaneous hydrolysis of multiple triglycerides, though Stearidonic Acid (SDA)'s preference for medium-chain fatty acids necessitates careful optimization.
Reactions are typically conducted at mild temperatures (20–25°C) to preserve Stearidonic Acid (SDA) integrity, with ethanol serving as an acyl acceptor to shift equilibrium toward hydrolysis.
The molar ratio of fatty acids to ethanol (1:4) and reaction duration (15 minutes) are pivotal in maximizing Stearidonic Acid (SDA) recovery.
Under these conditions, the lipase selectively esterifies saturated and monounsaturated fatty acids, leaving Stearidonic Acid (SDA) concentrated in the unesterified fraction.
This step avoids thermal degradation, a common issue in traditional lipid processing, thereby maintaining the structural integrity of PUFAs.
Secondary Esterification with Immobilized Rhizomucor miehei Lipase
Following hydrolysis, the fatty acid mixture undergoes further enrichment via esterification in a packed-bed reactor using Lipozyme RM IM, an immobilized lipase from Rhizomucor miehei.
This lipase exhibits heightened selectivity for esterifying Stearidonic Acid (SDA) with ethanol, leveraging its unique active-site geometry to discriminate against bulkier fatty acids.
The continuous-flow system enhances reaction efficiency, achieving 51.6% Stearidonic Acid (SDA) purity in the fatty acid fraction within 15 minutes.
Key parameters for this step include:
Temperature :
*20°C to minimize enzyme denaturation and oxidative damage.
*Residence time :
Optimized to 15 minutes to balance conversion efficiency and throughput.
*Substrate ratio :
A 1:4 molar ratio of fatty acids to ethanol ensures excess acyl acceptor, driving the reaction toward ester formation.
This two-stage enzymatic approach circumvents the need for intermediate purification, streamlining the process while reducing solvent consumption.
CHEMICAL REACTIONS ANALYSIS OF STEARIDONIC ACID (SDA):
*Types of Reactions:
Stearidonic Acid (SDA) undergoes various chemical reactions, including oxidation, reduction, and substitution.
Stearidonic Acid (SDA) is a precursor to eicosapentaenoic acid and can be converted through a series of desaturation and elongation reactions.
*Common Reagents and Conditions:
Common reagents used in the reactions involving Stearidonic Acid (SDA) include enzymes like delta-6-desaturase and lipases.
Conditions often involve specific temperatures and pH levels to optimize the reactions.
*Major Products:
The major products formed from the reactions of Stearidonic Acid (SDA) include eicosapentaenoic acid and other long-chain polyunsaturated fatty acids.
SYNTHESIS AND METABOLISM OF STEARIDONIC ACID
Stearidonic Acid (SDA) is produced de novo from alpha-linolenic acid in a desaturation reaction catalyzed by the enzyme Δ6-desaturase, a reaction extremely inefficient in humans (as shown previously in rodents).
On the other hand, dietary and from de novo synthesis Stearidonic Acid (SDA) is efficiently converted in eicosapentaenoic acid or EPA and docosapentaenoic acid or DPA by the subsequent actions of elongase (it catalyzes the addition of two carbon atoms from glucose metabolism to lengthen the fatty acid chain) and Δ5-desaturase and for this reasons its use may be a valuable tool for increasing EPA and docosahexaenoic acid (DHA) tissue concentrations.
The further metabolism to DHA depends again on Δ6-desaturase (followed by a β-oxidation) and for this reasons this conversion is limited.
Stearidonic Acid (SDA) is found in dietary plant oils which are metabolized to longer-chain, more unsaturated (n-3) PUFA.
These oils appear to possess hypotriglyceridemic properties typically associated with fish oils. (PMID: 15173404).
Stearidonic Acid (SDA) may be used as a precursor to increase the EPA content of human lipids and that combinations of gamma-linolenic acid and stearidonic acid eicosapentaenoic acid can be used to manipulate the fatty acid compositions of lipid pools in subtle ways.
Such effects may offer new strategies for manipulation of cell composition in order to influence cellular responses and functions in desirable ways.
MECHANISM OF ACTION OF STEARIDONIC ACID (SDA):
Stearidonic Acid (SDA) exerts its effects primarily through its conversion to eicosapentaenoic acid.
This conversion involves a series of desaturation and elongation reactions.
The very long-chain omega-3 polyunsaturated fatty acids have a range of physiological roles, including optimal cell membrane structure and function.
They also play a key role in preventing and treating various health conditions by influencing gene expression and intracellular signaling processes.
KEY DIFFERENCES OF STEARIDONIC ACID (SDA):
*Bioactivity :
Stearidonic Acid (SDA) is more efficiently converted to EPA (≈30% efficiency) than ALA (<5%) in humans, making it a superior plant-based omega-3 source.
*Double Bond Position :
Stearidonic Acid (SDA)’s additional Δ6 double bond (vs. ALA) enhances its oxidation stability compared to longer-chain PUFAs like EPA but less than saturated fats.
*Enzymatic Pathways :
Stearidonic Acid (SDA) and GLA are both Δ6-desaturase products but from ω-3 (ALA) and ω-6 (LA) precursors, respectively, leading to divergent metabolic fates.
Stearidonic Acid (SDA) is an essential polyunsaturated fatty acid or PUFA, with four cis (Z) double bonds (the first one from the methyl end is in omega-3 (ω-3) or n-3 so in shorthand 18:4n-3), member of the sub-group called long chain fatty acids (LCFAs), from 14 to 18 carbon atoms.
PHYSICAL and CHEMICAL PROPERTIES of STEARIDONIC ACID (SDA):
IUPAC name: (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid
Chemical formula: C₁₈H₂₈O₂
Molar mass: 276.42 g/mol
CAS number: 20290‑75‑9
EC number: 606‑502‑1
PubChem CID: 5312508
Appearance: Clear, colorless to pale yellow oily liquid
Density: 0.93–0.933 g/cm³ at 15–20 °C
Melting point: Decomposes around 200 °C
Refractive index: Approximately 1.4911 at 20 °C
Solubility: Insignificant in water (~0.04 mg/L at 25 °C), soluble in organic solvents
Chemical structure: Polyunsaturated omega‑3 fatty acid with four cis double bonds and
all‑methylene spacing—pitching it as a tetraene
Chemical formula: C18H28O2
Molar mass: 276.420 g·mol−1
Density: 0.9334 g/cm³ (15 °C)
Melting point: 200 °C (392 °F; 473 K) decomposition
IUPAC name: (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoic acid
CAS No.: 111174-40-4
Molecular Formula: C12H13N3
Molecular Weight: 0
IUPAC Name: octadeca-6,9,12,15-tetraenoic acid
InChI: InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)
SMILES: CCC=CCC=CCC=CCC=CCCCCC(=O)O
Chemical Formula: C18H28O2
Average Molecular Weight: 276.4137
Monoisotopic Molecular Weight: 276.20893014
IUPAC Name: (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid
Traditional Name: stearidonic acid
CAS Registry Number: 20290-75-9
SMILES: CCC=C/CC=C/CC=C/CC=C/CCCCC(O)=O
InChI Identifier: InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12-
InChI Key: JIWBIWFOSCKQMA-LTKCOYKYSA-N
FIRST AID MEASURES of STEARIDONIC ACID (SDA):
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of STEARIDONIC ACID (SDA):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of STEARIDONIC ACID (SDA):
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of STEARIDONIC ACID (SDA):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of STEARIDONIC ACID (SDA):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
