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Profile:Manufacturer - Producer|Ref:PSL66046YH | Country: China | Currency: | Export: No
CAS Number: 88-58-4
Appearance White to tan crystals
Assay 99 wt %
Specific Gravity 1.07
Melting Point 215°C (419°F)
Boiling Point 321°C (610°F)
Flash Point Cleveland Open Cup 216°C (420°F)
Autoignition Temperature 421°C (790°F)
DTBHQ is generally used as a polymerisation inhibitor, an antioxidant and a stabiliser. It is used mostly in industrial applications, particularly in rubbers, adhesive and adhesive films, paints, and monomers.
DTBHQ is often used as a polymerisation inhibitor in applications requiring inhibitors exhibiting low vapour pressure or short induction periods. Such uses include the protection of monomers during distillations, when monomers are used as chemical intermediates, and in the prevention of cross-linking during the preparation of unsaturated polyesters. When added to unsaturated polyesters, DTBHQ provides good stability during processing and storage without adversely prolonging the cure. Samples treated with DTBHQ have shown little gel time drift during storage tests.
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