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Material Safety Data Sheet (MSDS) for 1,9-Nonanediol (NDO)

Identification

Product Name: 1,9-Nonanediol
Chemical Formula: C9H20O2
CAS Number: 3937-56-2
Synonyms: Nonamethylene Glycol, Decamethylene Glycol
Manufacturer: Contact supplier for updated details
Recommended Use: Chemical intermediate, plasticizer, polyamide and polyester production
Restrictions on Use: Industrial process only, not for food or pharmaceutical use
Emergency Contact: Refer to manufacturer’s emergency numbers

Hazard Identification

GHS Classification: Not classified as hazardous under GHS standards
Signal Word: None
Hazard Statements: May cause mild skin and eye irritation
Pictograms: No GHS pictograms required
Precautionary Statements: Avoid contact with eyes, skin, and clothing. Practice good hygiene by washing hands after handling.
Potential Health Effects: Inhalation may cause minor respiratory tract irritation. Skin or eye exposure could lead to slight redness or itchiness in sensitive individuals.

Composition / Information on Ingredients

Chemical Name: 1,9-Nonanediol
Chemical Identity: Pure substance
Concentration: >99%
CAS Number: 3937-56-2
Impurities or Additives: No significant impurities present

First Aid Measures

General Advice: Seek medical attention for persistent discomfort
Inhalation: Move affected person to fresh air. If symptoms develop, consult a physician.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water.
Eye Contact: Rinse with gentle running water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical attention if feeling unwell.

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, dry chemical, or carbon dioxide
Unsuitable Extinguishing Media: Direct water jet may spread fire
Special Hazards: Burning may produce carbon monoxide and carbon dioxide
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and protective clothing
Other Information: Use water to cool containers exposed to heat. Prevent runoff from entering water sources.

Accidental Release Measures

Personal Precautions: Use recommended PPE including gloves and safety glasses. Avoid inhalation and skin or eye contact.
Environmental Precautions: Prevent spillage from reaching drains, soil, or surface water.
Spill Clean-Up Methods: Stop leak if safe. Small spills can be absorbed with sand, earth, or inert material and collected for disposal. Use non-sparking tools. Wash remnants with plenty of water.
Further Handling: Dispose of contaminated materials according to local regulations.

Handling and Storage

Precautions for Safe Handling: Handle in a well-ventilated area. Avoid repeated or prolonged skin contact. Do not eat, drink, or smoke during use.
Storage Conditions: Keep tightly closed in a cool, dry, and well-ventilated place. Store away from strong acids, oxidizers, and ignition sources.
Specific End Use: Intermediate in chemical manufacturing. Store as supplied material without mixing with incompatible substances.
Incompatible Materials: Strong acids, strong bases, strong oxidizers, reducing agents.

Exposure Controls and Personal Protection

Control Parameters: No established occupational exposure limits for 1,9-Nonanediol
Engineering Controls: Use local exhaust ventilation or process enclosure if available
Personal Protective Equipment:
Respiratory Protection: Not required under normal use. Use approved respiratory protection if dust or vapors are generated.
Hand Protection: Chemical-resistant gloves
Eye Protection: Safety glasses with side shields
Skin Protection: Protective clothing and closed footwear
General Hygiene: Wash hands after handling and before eating or drinking; avoid direct skin contact.
Environmental Exposure Controls: Prevent substance from entering drains, soil, or surface water due to persistence concerns.

Physical and Chemical Properties

Appearance: White crystalline solid
Odor: Slight, almost odorless
Odor Threshold: Not established
pH: Neutral to slightly acidic (5.0 - 7.0 in aqueous solution)
Melting Point: 52 - 56°C
Boiling Point: 288 - 293°C
Flash Point: 160°C (open cup)
Evaporation Rate: Not volatile
Flammability: Not easily ignitable, but combustible
Vapor Pressure: <0.01 hPa at 20°C
Relative Density: 0.94 - 0.97 g/cm³ at 20°C
Solubility: Moderately soluble in water and many organic solvents
Partition Coefficient (log Kow): 1.2 - 1.4
Decomposition Temperature: >200°C
Viscosity: Not determined for solid
Explosive Properties: Not explosive under normal conditions
Oxidizing Properties: Not considered oxidizing

Stability and Reactivity

Chemical Stability: Stable under normal storage and handling conditions
Reactivity: Not highly reactive. Can react with strong oxidizers, acids, and bases.
Conditions to Avoid: Excessive heat, open flames, sparks
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, potentially irritant vapors during decomposition
Polymerization: Product does not undergo hazardous polymerization

Toxicological Information

Acute Toxicity: Oral LD50 (rat): >2000 mg/kg — low acute toxicity
Skin Corrosion/Irritation: May produce slight irritation after prolonged or repeated exposure
Serious Eye Damage/Irritation: May lead to minor irritation
Respiratory or Skin Sensitization: Not sensitizing
Germ Cell Mutagenicity: No evidence of genetic toxicity
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: No evidence found in available studies
Specific Target Organ Toxicity (Single / Repeated Exposure): Data not available; no target organ toxicities reported
Aspiration Hazard: Not classified as hazardous by aspiration

Ecological Information

Toxicity (Aquatic Organisms): LC50 (fish, 96h): >100 mg/L (low toxicity)
Persistence and Degradability: Readily biodegradable in standard tests
Bioaccumulative Potential: Low potential due to low Kow
Mobility in Soil: High mobility; may leach from soil into groundwater
Other Adverse Effects: Not expected to be hazardous to the environment in small quantities
Additional Information: Avoid large discharges into environment to reduce ecological risk

Disposal Considerations

Waste Treatment Methods: Dispose of as chemical waste in accordance with local, regional, and national regulations
Unused Product: Send to licensed chemical disposal facility
Contaminated Packaging: Clean before recycling or dispose as hazardous waste
Other Disposal Recommendations: Do not dispose into surface water, sewer, or household garbage.

Transport Information

UN Number: Not regulated as dangerous goods
Proper Shipping Name: 1,9-Nonanediol
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: Not considered hazardous for transport
Special Precautions: Protect from physical damage during transport. Ensure containers remain sealed and upright.

Regulatory Information

US TSCA: Listed
EU REACH: Registered or pre-registered
Canada DSL/NDSL: Listed
Japan ENCS: Listed
Australia AICS: Listed
Korea ECL: Listed
China IECSC: Listed
Other Regulations: Not listed as a hazardous substance under major chemical safety directives
Labeling Requirements: Standard chemical labeling for workplace safety; no GHS pictograms
Restrictions: None specific beyond standard chemical handling guidelines