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Trioctyl Trimellitate, Tri Octyl Trimellitate, TOTM, 3319-31-1

Trioctyl Trimellitate, Tri Octyl Trimellitate, TOTM, 3319-31-1

TRI OCTYL TRIMELLITATE (TOTM)

TRI OCTYL TRIMELLITATE

PRODUCT IDENTIFICATION INFORMATION

Parameter Information
Product Name Tri Octyl Trimellitate / Tri Octyl Trimellitate
Abbreviation TOTM
Chemical Formula C₃₃H₅₄O₆
CAS Number 3319-31-1
EC Number 222-020-0
Product Class Primary Plasticizer
Appearance Clear, colorless to light yellow liquid

CHEMICAL STRUCTURE

    Tri Octyl Trimellitate (TOTM)
    
    1,2,4-Benzenetricarboxylic Acid Trioctyl Ester
    High Molecular Weight Plasticizer
    
                O
                ||
         R - O - C - O - R
                |
         R - O - C - C - C - O - R
                |   ||   ||
                O   C    C
                    O    O
                    |    |
                    R    R
    
    R = Octyl Group (C₈H₁₇)
    
    Low Volatility
    Low Migration
    High Temperature Resistance

Molecular Formula: C₃₃H₅₄O₆
Molecular Weight: ~546.78 g/mol
Chemical Class: Trimellitate Ester
Physical Form: Clear liquid
Color: Colorless to light yellow

SECTION 1: CHEMICAL IDENTITY AND DEFINITION

Parameter Information
Product Name Tri Octyl Trimellitate / Tri Octyl Trimellitate
Abbreviation TOTM
Other Technical Names (English) Tri Octyl Trimellitate, TOTM, Tris(2-ethylhexyl) trimellitate, 1,2,4-Benzenetricarboxylic acid trioctyl ester
Other Technical Names (Turkish) Tri Oktil Trimellitat, TOTM
CAS Number 3319-31-1
EC Number 222-020-0
Chemical Formula C₃₃H₅₄O₆
Molecular Weight ~546.78 g/mol
Chemical Class Trimellitate Ester
Product Class Primary Plasticizer
Appearance Clear, colorless to light yellow liquid
Odor Slight characteristic
Physical State Liquid

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

Property Typical Value Limit Unit Test Standard
Density (20°C) 0.985 0.948 – 0.991 g/cm³ ASTM D287
Refractive Index (20°C) 1.485 1.4850 – 1.4859 ASTM D1218
Acidity 0.28 ≤ 0.3 mgKOH/g ASTM D1045
Viscosity (20°C) 245 230 – 250 mPa·s ASTM D445
Flash Point 225 > 220 °C ASTM D92
Ester Content 99.8 ≥ 99.5 % GC
Water Content 0.02 ≤ 0.05 % ASTM E1064
Color 26 ≤ 50 – 100 Hazen ASTM D1209

SECTION 3: CHEMICAL PROPERTIES AND REACTIVITY

Parameter Information
Chemical Character High molecular weight trimellitate ester; Phthalate-free; Non-polar structure
Stability Stable under normal conditions; Does not decompose at high temperatures; Resistant to oxidation
Reactivity May react with strong oxidizing agents; Can hydrolyze with acids and bases; Shows physical interaction with PVC
Incompatible Materials Strong oxidizing agents, strong acids, strong bases
Hydrolysis Ester bonds can hydrolyze in presence of acids or bases to form trimellitic acid and octyl alcohol
Thermal Stability Begins to decompose at high temperatures (above 200°C)
Special Property Excellent compatibility with PVC; Low migration; Low volatility

SECTION 4: FUNCTIONAL PROPERTIES

Property Explanation
Primary Plasticizer Used as main plasticizer in PVC formulations. Provides flexibility and processability by inserting between polymer chains.
Low Volatility Low vapor pressure due to high molecular weight. Evaporation loss is minimal in high-temperature applications.
Low Migration High permanence within polymer matrix. Does not migrate to other materials, ensuring long-term flexibility.
High Temperature Resistance Suitable for 90°C and 105°C class cables. Maintains stability at high temperatures.
Low Temperature Flexibility Provides good flexibility at low temperatures.
Extraction Resistance Shows good resistance to water, oil and solvents.
Electrical Properties Provides good dielectric properties. Suitable for insulation applications.
Phthalate-Free Toxicologically safe; Approved by REACH, FDA and EFSA.

SECTION 5: COMPARISON OF TOTM WITH OTHER PLASTICIZERS

Property TOTM DOTP DEHP DINP
Volatility Very Low Low High Medium
Migration Very Low Low High Medium
Temperature Resistance 105°C 80°C 70°C 85°C
Low Temperature Flexibility Good Good Good Good
Extraction Resistance Good Medium Poor Medium
Electrical Properties Good Good Good Good
Phthalate-Free Yes Yes No No
FDA Compliance Yes Yes Limited Limited

SECTION 6: INDUSTRY APPLICATIONS

6.1 Electrical and Cable Industry

Application Explanation
High Temperature Resistant Cables Used in 90°C and 105°C class cable insulation and sheathing.
Automotive Cables Preferred for cables used in engine compartments and high-temperature areas.
Industrial Cables Used in cables operating in high-temperature and demanding conditions.

6.2 Automotive Industry

Application Explanation
Interior Trim Parts Dashboard coverings, door panels and other interior trim applications.
In-Vehicle Cables Cable applications requiring high temperature resistance.
Gaskets and Profiles Automotive gasket and profile applications.

6.3 Sanitary Applications

Application Explanation
Food Contact Applications FDA and EFSA approved. Can be used in food contact applications.
Medical Devices Medical hoses, tubes and other medical device applications.
Water Contact Applications PVC pipes and fittings used in drinking water systems.

6.4 Other Applications

Application Explanation
PVC Sheets and Films High-performance PVC sheet and film production.
Synthetic Leather High-quality synthetic leather production.
Coatings Textile and industrial coating applications.

SECTION 7: PVC FORMULATION RECOMMENDATION (TYPICAL HIGH-TEMPERATURE CABLE)

Component Ratio (phr)
PVC Resin (K-70) 100
TOTM 50-65
Stabilizer (Ca/Zn) 3-5
Auxiliary Plasticizer 0-10
Filler (Calcium Carbonate) 0-20
Lubricant 0.5-1.5
Pigment As required

SECTION 8: REGULATORY AND COMPLIANCE

Regulation / Certification Status Explanation
REACH Registered Compliant with European Chemicals Regulation
FDA (USA) Approved Suitable for food contact (21 CFR)
EFSA (EU) Approved Suitable for food contact
RoHS Compliant Compliant with hazardous substances restriction
Phthalate-Free Yes Phthalate-free formulation
ISO 9001 Compliant Manufactured under quality management system

SECTION 9: STORAGE AND SHELF LIFE

Parameter Information
Shelf Life 1 year in original packaging under proper conditions
Storage Temperature Should be stored below 40°C
Storage Conditions Away from moisture, in closed containers
Packaging Should be kept in original packaging
Special Warning Avoid prolonged storage at high temperatures

SECTION 10: PACKAGING OPTIONS

Packaging Type Explanation
Bulk Tanker For large volume shipments
Isotank For discharge into carbon steel tanks
IBC (Intermediate Bulk Container) Standard 1000 L industrial containers
Drum Standard 200 L drums
Flexibag Flexible bulk packaging option

SECTION 11: TOXICOLOGICAL PROFILE

Parameter Value
Acute Oral Toxicity Low toxicity (LD50 > 5000 mg/kg)
Acute Inhalation Toxicity Vapor inhalation may cause irritation
Skin Irritation May cause slight irritation with prolonged contact
Eye Irritation May cause irritation upon contact
Chronic Toxicity Phthalate-free; Considered toxicologically safe
Carcinogenicity Not classified as carcinogenic
Mutagenicity Not classified as mutagenic
Target Organs Respiratory system (vapor irritation), skin, eyes
Occupational Exposure Limit (8h TWA) Not established (considered safe)
Special Toxicity Note Safer alternative to DEHP and other phthalates due to phthalate-free structure. Approved by FDA and EFSA for food contact applications.

SECTION 12: GHS CLASSIFICATION AND LABELING

GHS Classification (in compliance with CLP and UN GHS):

Hazard Class Category H-Statement
Generally not classified as hazardous - -
Skin Irritation Category 3 (optional) H316
Eye Irritation Category 2 (optional) H319

Note: Not classified as hazardous under normal use conditions. May be irritating with prolonged or high-concentration exposure.

Signal Word: Signal word not required (not dangerous) or WARNING (optional)

Hazard Pictograms: GHS07 (optional)

Hazard Statements (H-Codes) - if classified:

Code Statement
H316 Causes mild skin irritation
H319 Causes serious eye irritation

SECTION 13: PRECAUTIONARY STATEMENTS (P-CODES)

Code Statement
P264 Wash hands thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P302+P352 IF ON SKIN: Wash with plenty of soap and water
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses. Continue rinsing
P332+P313 If skin irritation occurs: Get medical advice/attention
P337+P313 If eye irritation persists: Get medical advice/attention
P362+P364 Take off contaminated clothing and wash it before reuse
P403+P233 Store in a well-ventilated place. Keep container tightly closed
P501 Dispose of contents/container in accordance with local/regional/national/international regulations

SECTION 14: FIRST AID MEASURES

Exposure Route Action to Take
Inhalation Move to fresh air immediately. Keep at rest in a position comfortable for breathing. If symptoms persist, get medical attention.
Skin Contact Remove contaminated clothing immediately. Wash skin with plenty of soap and water. If skin irritation occurs, get medical advice/attention.
Eye Contact Rinse immediately with plenty of water for at least 15 minutes. Keep eyelids open. Remove contact lenses. Continue rinsing. If eye irritation persists, get medical advice/attention.
Ingestion Rinse mouth with water. Do NOT induce vomiting. Drink plenty of water. If symptoms develop, get medical attention.

SECTION 15: FIRE-FIGHTING MEASURES

Parameter Information
Fire Hazard Combustible liquid (flash point > 220°C). May ignite at high temperatures.
Hazards During Fire May release carbon monoxide, carbon dioxide and organic decomposition products at high temperatures
Suitable Extinguishing Media Dry chemical powder, CO₂, alcohol-resistant foam, water spray
Unsuitable Extinguishing Media Water jet (may spread molten material)
Special Protective Equipment Self-contained breathing apparatus (SCBA), full protective clothing
Special Precautions Isolate fire area; Prevent product from entering sewers and waterways; Do not inhale fumes

SECTION 16: STORAGE AND SHELF LIFE (DETAILED)

Parameter Information
Storage Conditions Cool, dry, well-ventilated area; Protect from direct sunlight; Store below 40°C
Container Requirements Keep in original packaging, tightly closed; Protect from moisture
Materials to Protect From Strong oxidizing agents, acids, bases, moisture, high heat
Shelf Life 1 year (under proper storage conditions)
Stability Note Stable under normal conditions; Avoid prolonged storage at high temperatures

SECTION 17: PACKAGING OPTIONS (DETAILED)

Packaging Type Quantity Material
Steel Drum 200 L Corrosion-resistant lined steel
IBC 1000 L HDPE or metal
Isotank 20,000 - 25,000 L Carbon steel (for discharge)
Flexibag 500 - 1000 kg PE lined
Bulk Tanker 20,000 - 25,000 L Carbon steel

SECTION 18: TRANSPORT INFORMATION

Parameter Information
UN Number Not regulated (not dangerous)
Hazard Class Not applicable
Packing Group Not applicable
ADR/RID Not regulated
IMDG Code Not regulated
IATA (Air) Not regulated
Marine Pollutant No
Transport Temperature Ambient temperature; Protect from high heat and moisture

SECTION 19: REGULATORY STATUS

Region / Authority Status
European Union REACH registered; Not classified as hazardous
USA (FDA) Suitable for food contact (21 CFR)
USA (EPA) Not regulated
Turkey Industrial raw material; Subject to KKDIK regulation
EFSA Suitable for food contact
RoHS Compliant
Phthalate Restrictions Phthalate-free; Not subject to restrictions

SECTION 20: OTHER NAMES AND SYNONYMS

Type Name
Turkish Names Tri Oktil Trimellitat, TOTM
English Names Tri Octyl Trimellitate, TOTM, Tris(2-ethylhexyl) trimellitate, 1,2,4-Benzenetricarboxylic acid trioctyl ester
Trade Names TOTM, Trioctyl Trimellitate
Chemical Names 1,2,4-Benzenetricarboxylic acid trioctyl ester; Tris(2-ethylhexyl) trimellitate
CAS Number 3319-31-1
EC Number 222-020-0
Molecular Formula C₃₃H₅₄O₆

SECTION 21: SUMMARY TABLE

Parameter Value
Product Tri Octyl Trimellitate / Tri Octyl Trimellitate (TOTM)
CAS Number 3319-31-1
EC Number 222-020-0
Chemical Formula C₃₃H₅₄O₆
Molecular Weight ~546.78 g/mol
Appearance Clear, colorless to light yellow liquid
Density (20°C) 0.985 g/cm³
Viscosity (20°C) 245 mPa·s
Flash Point 225°C
Primary Function Primary plasticizer
Main Applications High-temperature cables, automotive, sanitary applications, PVC sheets and films
Shelf Life 1 year
GHS Signal Word Signal word not required (not dangerous)
UN Number Not regulated
Special Features Low volatility; Low migration; High temperature resistance; Phthalate-free; FDA/EFSA approved

SECTION 22: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

  1. Ideal for high-temperature applications. Can be safely used in 90°C and 105°C class cables.

  2. Low migration property makes it preferred for food contact applications.

  3. Phthalate-free and approved by REACH, FDA and EFSA.

  4. High molecular weight provides low volatility and permanence.

  5. Offers low migration and high stability advantages as an alternative to polymeric plasticizers.

  6. Should be stored below 40°C. Avoid prolonged storage at high temperatures.

  7. Protect from moisture. Should be kept in closed containers.

  8. Higher cost compared to other plasticizers, but provides superior performance.

  9. Not classified as hazardous under normal use conditions.

  10. May cause mild skin irritation with prolonged contact. Use protective gloves.

  11. May cause eye irritation upon contact. Use protective goggles.

  12. Do not contact with strong oxidizing agents.

  13. Do not contact with strong acids and bases; may hydrolyze.

  14. Environmental Warning: Prevent product from entering sewers and waterways.

  15. Hygiene Requirement: Wash hands thoroughly after use. Do not take contaminated work clothes outside the workplace.

BEST PRACTICE RECOMMENDATIONS:

16. Cable Production:
Use TOTM in 90°C and 105°C class cable insulation and sheathing. Provides long-lasting and reliable performance.

17. Automotive Applications:
Prefer TOTM for dashboard coverings and interior trim parts. Benefit from high temperature resistance and low migration advantages.

18. Sanitary Applications:
Use FDA/EFSA approved TOTM for food contact applications.

19. Formulation:
Use TOTM as primary plasticizer in PVC formulations. Optimize combination with auxiliary plasticizers.

20. Storage:
Store in original packaging, below 40°C and away from moisture.

21. Use:
Use in well-ventilated areas; avoid contact with eyes and skin; use protective gloves and goggles.

22. Spill Response:
Collect spilled product with inert absorbent material; do not allow to enter drains or waterways.

23. Disposal:
Dispose in accordance with local, regional and national regulations.

24. Personal Protective Equipment:
Use protective gloves (nitrile, neoprene), chemical safety goggles and protective clothing.

25. Hygiene:
Wash hands thoroughly after use; Do not eat, drink or smoke while using.

INDUSTRY SUITABILITY TABLE:

Industry / Application Suitability Explanation
Electrical / Cable Yes High temperature cables
Automotive Yes Interior trim, cable
Sanitary / Food Contact Yes FDA/EFSA approved
Medical Devices Yes Hoses, tubes
Construction Yes PVC profile, pipe
Packaging Yes Food packaging
Textile Yes Synthetic leather, coating

RECOMMENDED STORAGE CONDITIONS:

Parameter Requirement
Storage Temperature Below 40°C
Humidity <60% relative humidity
Container Closed, sealed containers
Location Cool, dry, well-ventilated area

LEGAL DISCLAIMER:

The information provided in this document is based on our current knowledge and experience and is provided in good faith; however, since all conditions of use are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing suitability for their own applications. For complete safety, storage, use, handling, disposal and regulatory compliance information, reference should be made to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.

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