TMQ, RD

Poly(1,2-dihydro-2,2,4-trimethylquinoline) (TMQ, CAS 26780-96-1) is a highly effective rubber antioxidant RD used to protect rubber compounds from heat, oxidation and cracking during processing and service life. Also known as polymerized 1,2-dihydro-2,2,4-trimethylquinoline, Agerite Resin D and Antioxidant RD, it is widely used in tires, belts, hoses and industrial rubber products. Bulk supply available — request a quote today.

MF: C12H15N
MW: 173.25
EINECS: 500-051-3

Properties & Applications & PackagesInquiry

Product Overview

Poly(1,2-dihydro-2,2,4-trimethylquinoline) is a widely used amine-type rubber antioxidant designed to improve heat resistance, oxidation resistance and long-term durability in rubber formulations. It helps extend the service life of rubber products and reduces the risk of aging-related performance loss during processing and use.
Antioxidant TMQ is an amber to off-white resinous powder. Soluble in benzene, chloroform, carbon disulfide and acetone, slightly soluble in petroleum hydrocarbons, insoluble in water.

Key Specifications

Melting Point 

72-94°C

Boiling Point 

>315°C

Density 

1.08

Vapor Pressure 

0Pa at 25℃

Refractive Index 

1.4870 (estimate)

Storage Temp. 

2-8°C(protect from light)

Appearance

Brown to reddish brown Solid

Water Solubility 

<0.1 g/100 mL at 23 ºC


Performance Benefits

Helps slow down thermal oxidation and aging.
Improves storage stability and service life of rubber products.
Supports reliable processing in demanding rubber compounding systems.
Widely recognized as a standard antioxidant for tires and technical rubber goods.

Typical Applications

Tires and tire components
Rubber hoses and belts
Industrial rubber goods
Seals, gaskets and vibration parts
Latex and elastomer systems requiring heat-aging protection
Mainly used as rubber antioxidant, suitable for natural rubber and synthetic rubber such as nitrile, styrene-butadiene, ethylene propylene and chloroprene.

Packaging, Grades & Supply

We supply TMQ antioxidant in bags, cartons and bulk packaging for industrial buyers. COA and MSDS are available with each order. For procurement teams and distributors, please ask for the current pricing and bulk supply terms based on your required volume.

Why choose Greenchem International?

Stable export supply and strict quality control.
Flexible packaging and bulk logistics support.
Technical support for rubber formulation and application selection.
Competitive commercial terms for long-term buyers.

Ordering & Inquiry

To buy Poly(1,2-dihydro-2,2,4-trimethylquinoline) (TMQ, CAS 26780-96-1) or request COA, MSDS and a competitive quotation, please share your required grade, quantity and delivery country. We will reply with lead time and pricing.


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