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Chemical Safety Data Sheet MSDS / SDS

Octadeca-6,9-dienoic acid

Revision Date:2026-03-21Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: Octadeca-6,9-dienoic acid
  • CBnumber: CB91251341
  • CAS: 28290-77-9
  • Synonyms: 6,9-linoleic acid;6,9-Octadecadienoic acid, (6Z,9Z)-

Relevant identified uses of the substance or mixture and uses advised against

  • Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
  • Uses advised against: none

Company Identification

  • Company: Chemicalbook
  • Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
  • Telephone: 010-86108875

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS) No data available
  • Signal wordNo data available
Precautionary statements
No data available
Hazard statements
No data available

SECTION 3: Composition/information on ingredients

Substance

  • Product name: Octadeca-6,9-dienoic acid
  • Synonyms: 6,9-linoleic acid;6,9-Octadecadienoic acid, (6Z,9Z)-
  • CAS: 28290-77-9
  • MF: C18H32O2
  • MW: 280.45

SECTION 4: First aid measures

First Aid Measures

General advice
Consult a physician if necessary. Remove to fresh air.
Eye contact
Wash with plenty of water.
Skin Contact
Wash skin with soap and water.
Inhalation
Remove to fresh air If breathing is difficult, give oxygen If not breathing, give artificial respiration
Ingestion
Never give anything by mouth to an unconscious person. Clean mouth with water.

Most important symptoms and effects, both acute and delayed

Symptoms
No information available.

Indication of any immediate medical attention and special treatment needed

Note to physicians
Treat symptomatically.

SECTION 5: Firefighting measures

Suitable Extinguishing Media

Suitable Extinguishing Media
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable Extinguishing Media
No information available.

Specific hazards arising from the chemical

Specific hazards arising from the chemical
No information available.
Hazardous combustion products
Carbon oxides.

Explosion data

Sensitivity to Mechanical Impact
No information available.
Sensitivity to Static Discharge
No information available.

Protective equipment and precautions for firefighters

Protective equipment and precautions for firefighters
As in any fire, wear self contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Personal precautions
Ensure adequate ventilation, especially in confined areas.

Environmental precautions

Environmental precautions
See Section 12 for additional Ecological Information.

Methods and material for containment and cleaning up

Methods for containment
Prevent further leakage or spillage if safe to do so.
Methods for cleaning up
Pick up and transfer to properly labeled containers.

SECTION 7: Handling and storage

Precautions for safe handling

Advice on safe handling
Handle in accordance with good industrial hygiene and safety practice.

Conditions for safe storage, including any incompatibilities

Storage Conditions
Keep containers tightly closed in a dry, cool and well-ventilated place. Store at -20 °C.
Incompatible materials
None known based on information supplied.

SECTION 8: Exposure controls/personal protection

Control parameters

Exposure Guidelines
.
Other Information
Vacated limits revoked by the Court of Appeals decision in AFL-CIO v. OSHA, 965 F.2d 962 (11th Cir., 1992).
Column 1Column 2Column 3Column 4
Ethanol 64-17-5STEL: 1000 ppmTWA: 1000 ppm
TWA: 1900 mg/m3 (vacated) TWA: 1000 ppm (vacated) TWA: 1900 mg/m3		IDLH: 3300 ppm
TWA: 1000 ppm
TWA: 1900 mg/m3
NIOSH IDLH Immediately Dangerous to Life or Health

Appropriate engineering controls

Engineering Controls
Showers
Eyewash stations
Ventilation systems

Individual protection measures, such as personal protective equipment

Eye/face protection
Wear safety glasses with side shields (or goggles).
Skin and Body Protection
Wear protective gloves and protective clothing.
Respiratory protection
If exposure limits are exceeded or irritation is experienced, NIOSH/MSHA approved respiratory protection should be worn. Positive-pressure supplied air respirators may be required for high airborne contaminant concentrations. Respiratory protection must be provided in accordance with current local regulations.
General Hygiene Considerations
Handle in accordance with good industrial hygiene and safety practice.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • Physical Stateliquid
  • AppearanceNo information available
  • OdorNo information available
  • pHNo information available
  • Melting point/freezing pointNo information available
  • Boiling point376.7±11.0 °C(Predicted)
  • Flash pointNo information available
  • Liquid DensityNo information available
  • Evaporation rateNo information available
  • Upper flammability limitsNo information available
  • Lower flammability limitNo information available
  • Vapor pressureNo information available
  • Vapor densityNo information available
  • Specific gravityNo information available
  • Water solubilityNo information available
  • Solubility in other solventsNo information available
  • Partition coefficientNo information available
  • Autoignition temperatureNo information available
  • Decomposition temperatureNo information available
  • Kinematic viscosityNo information available
  • Explosive propertiesNo information available
  • Oxidizing propertiesNo information available
  • Density and/or relative density0.911±0.06 g/cm3(Predicted)

SECTION 10: Stability and reactivity

Reactivity

Not applicable

Chemical stability

Stable under recommended storage conditions.

Possibility of Hazardous Reactions

None under normal processing.

Hazardous polymerization

No information available.

Conditions to avoid

Extremes of temperature and direct sunlight.

Incompatible materials

Strong oxidizing agents.

Hazardous Decomposition Products

Carbon oxides.

SECTION 11: Toxicological information

Information on likely routes of exposure

Inhalation
No data available.
Eye contact
No data available.
Skin Contact
No data available.
Ingestion
No data available.

Information on toxicological effects

Symptoms
No information available.

Delayed and immediate effects as well as chronic effects from short and long-term exposure

Chronic Toxicity
May cause adverse effects on the bone marrow and blood-forming system. May cause adverse liver effects. Contains a known or suspected reproductive toxin. Target Organ Effects Blood, Reproductive System, Central nervous system, Eyes, Respiratory system, Liver, Skin. Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen.

Chemical name ACGIH IARC NTP OSHA

Ethanol A3 Group
1 Known X 64-17-5

Numerical measures of toxicity - Product Information

Unknown acute toxicity
5% of the mixture consists of ingredient(s) of unknown toxicity
The following values are calculated based on chapter 3.1 of the GHS document
ATEmix (oral)
7432 mg/kg
ATEmix (inhalation-dust/mist)
131.3 mg/l
ATEmix (inhalation-vapor)
131.3 mg/l

SECTION 12: Ecological information

Ecotoxicity

Chemical nameAlgae/aquatic plantsFishToxicity to
Microorganisms		Crustacea
Ethanol 64-17-5-12.0 - 16.0: 96 h
Oncorhynchus mykiss mL/L
LC50 static 13400 - 15100: 96 h Pimephales promelas mg/L LC50 flow-through 100: 96 h Pimephales promelas mg/L LC50 static		-9268 - 14221: 48 h Daphnia magna mg/L LC50 10800: 24 h Daphnia magna mg/L
EC50 2: 48 h Daphnia magna mg/L EC50 Static
5% of the mixture consists of components(s) of unknown hazards to the aquatic environment.

Ethanol - 12.0 - 16.0: 96 h

- 9268 - 14221: 48 h Daphnia

96 h Pimephales promelas

EC50 2: 48 h Daphnia

Persistence and degradability No information available. Bioaccumulation No information available. Mobility No information available.

Ethanol

-0.32 64-17-5

SECTION 13: Disposal considerations

Disposal of wastes Disposal should be in accordance with applicable regional, national and local laws and regulations. Contaminated packaging Do not reuse container. California Hazardous Waste Status This product contains one or more substances that are listed with the State of California as a hazardous waste.

Ethanol

Toxic

SECTION 14: Transport information

DOT

Not regulated

IMDG

Not regulated

IATA

Not regulated

SECTION 15: Regulatory information

International Inventories

All of the components in the product are on the following Inventory lists
X - Listed
ENCS (Japan)
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
Chemical nameTSCADSLNDSLEINECSELINCSENCSIECSCKECLPICCSAICS
EthanolXX-X-XXXXX
6(Z),9(Z)-Octadecadienoic acid-----X----
Chemical nameTSCADSLNDSLEINECSELINCSENCSIECSCKECLPICCSAICS
EthanolXX-X-XXXXX
6(Z),9(Z)-Octadecadienoic-----X---acid

US Federal Regulations

SARA 313

Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372.

SARA 311/312 Hazard Categories

Acute health hazard
No
Chronic Health Hazard
No
Fire hazard
No
Sudden release of pressure hazard
No
Reactive hazard
No

CWA (Clean Water Act)

This product does not contain any substances regulated as pollutants pursuant to the Clean Water Act (40 CFR 122.21 and 40
CFR 122.42).

US State Regulations

California Proposition 65

This product contains the following Proposition 65 chemicals.
Chemical nameCalifornia Proposition 65
Ethanol - 64-17-5Carcinogen
Developmental

U.S. State Right-to-Know Regulations

Chemical nameNew JerseyMassachusettsPennsylvania
Ethanol 64-17-5XXX

SECTION 16: Other information

Abbreviations and acronyms

CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
Disclaimer:

The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.

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