Antioxidant TMQ (RD)
Product Overview
TMQ (RD) is a polymerized 2,2,4-trimethyl-1,2-dihydroquinoline antioxidant with relatively low molecular weight. This amber to light brown polymer provides exceptional thermal aging protection for natural and synthetic rubber compounds.
TMQ demonstrates superior effectiveness in preventing thermal degradation of NBR (Nitrile Butadiene Rubber) and is specifically designed for applications in heated equipment and high-temperature environments.
Technical Specifications
Chemical Identity
Chemical Name: Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline
CAS Number: 26780-96-1
Molecular Formula: (C₁₂H₁₅N)ₙ
Molecular Weight: (173.26)ₙ
Physical Properties
Appearance: Amber to light brown pellets
Softening Point: Above 74°C
Solubility: Soluble in benzene, acetone, and organic solvents
Water Solubility: Insoluble
Petroleum Hydrocarbon Solubility: Slightly soluble
| Properties | Unit | Value | Standard |
|---|---|---|---|
| Softening Point | °C | 80 - 100 | - |
| Heating Loss (55°C ± 2°C) | % max | ≤ 0.30 | - |
| Ash Content (750°C ± 25°C) | % max | ≤ 0.30 | - |
| Insoluble in Ethanol | % max | ≤ 0.20 | - |
| Isopropyl Bis Aniline | % max | ≤ 1.0 | - |
| Dimer, Trimer and Tetramer Content | % max | ≤ 40 | - |
Applications
Natural rubber antioxidant protection
Synthetic rubber thermal aging prevention
NBR (Nitrile Butadiene Rubber) specialized protection
Heated equipment rubber components
High-temperature environment applications
Torrid zone rubber products
Industrial rubber compounds requiring thermal stability
Packaging & Storage
Packaging
Standard packaging: 25 kg per bag
Packed in craft bag with polyethylene inner bag
Custom packaging available upon buyer's request
Storage Conditions
Store in original sealed containers in a cool, dry, well-ventilated area
Protect from direct sunlight, moisture, and heat sources
Maintain storage temperature below 30°C
Ensure proper ventilation to prevent accumulation of vapors
Keep away from incompatible materials
Quality / Certifications
TMQ (RD) is manufactured in accordance with GB/T8826-2019 product standards, ensuring consistent quality and performance. All batches undergo rigorous quality control testing to meet specified parameters.
Refer to Material Safety Data Sheets (MSDS) prior to handling and processing. Follow standard safety protocols for rubber antioxidant handling.
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