High quality 99% p-Benzoquinone Dioxime CAS 105-11-3 vulcanizer PBQD/ 1,4-Benzoquinone dioxime
p-Benzoquinone Dioxime
English alias: 1,4-cyclohexadienedione dioxime, 1,4-Benzoquinone dioxime
English abbreviation: PBQD
CAS No.: 105-11-3
1. Physical and chemical properties:
1.1 Molecular formula: C6H6N2O2
1.2 Molecular weight: 138.1256
1.3 Solubility:<0.01g/100mL H2O, 22.5℃. Dissolved in ethanol, and slightly dissolved in acetone, but insoluble in water, benzene and gasoline.
1.4 Stability and reactivity: Stable at normal temperature and pressure, flammable, and decomposed in high temperature.
| Item | Index |
| Content, %(m/m) | ≥99.0 |
| Loss of weight in drying, %(m/m) | ≤1.0 |
| Dregs after burning(in sulfate), %(m/m) | ≤0.50 |
| Particle size, μm | ≤10 |
| Appearance | Brown crystal |
It has been used as the vulcanizing agents for butyl rubber, natural rubber, styrene-butadiene rubber, especially for butyl rubber, as well as analytical agent, etc.
Usage:
1) Accelerator & vulcanizer for rubber;
2) Bactericide;
3) Used as a non-sulfur vulcanization accelerator by direct reacting with peroxy-free radical to tie up free radicals and metal adhesion promoter between metal and rubber;
4) Used as a vulcanizing agent for EPDM (ethylene-propylene diene rubber) to improve heat resistance;
5) Used as a curing agent for coating system and electrical encapsulation.
Packing: Kraft paper bag lined with plastic bag, net weight 25 kg per bag
Storage: Stored in a cool, ventilated place. The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date
Safety instructions: Toxic. Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing to avoid contacting with skin and inhalation. Stay away with fire and heat source of high temperature.
Transportation: Avoid water, exposure and violent collision .Do not transport with strong oxidizers.
