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Typical Physical Properties
Antioxidants, Hydroquinones and Preservatives

Some products contain physical properties that are not displayed in the columns below. To locate the information needed, please choose the product link below. The properties may be found on the datasheet, SDS or sales specification.

Antioxidants, Hydroquinones and Preservatives
ProductsFormColorCompositionaSpecific GravityBoiling PointMelting PointFlash PointAssayData
Sheet
SDS
BHABHTCitric AcidTBHQ@ 20°C/20°CCleveland Open Cup
DTBHQ (2,5-ditert-butylhydroquinone)-------321 °C (610 °F)215 °C (419 °F)216 °C (420 °F)99 wt %
Hydroquinone, European Pharma Grade--------172-174 °C--
Hydroquinone, Photographic GradeWhite crystals------286 °C (547 °F)-177 °C (350 °F)99.4 wt % min.
MTBHQ (mono t-butyl hydroquinone)------1.05295 °C125 °C171 °C (340 °F)98 wt % min.
Tenox™ 4 Antioxidant, Kosher-Light straw20 %20 %--0.942----
Tenox™ 4B Antioxidant, Kosher-Light straw20 %---0.951----
Tenox™ 8 Antioxidant, Kosher-Light straw to light amber-20 %--0.925----
Tenox™ 20 Antioxidant, Kosher-Light amber to golden brown--10 %20 %1.087----
Tenox™ 20A Antioxidant, Kosher-Golden brown--3 %20 %0.998----
Tenox™ 21 Antioxidant, Kosher-Golden brown--1 %20 %0.991----
Tenox™ 25 Antioxidant, Kosher-Golden brown-10 %3 %10 %0.938----
Tenox™ BHA Antioxidant, Flake, KosherWaxy solid-------48-63 °C--
Tenox™ BHT Antioxidant, KosherSolidWhite to light tan------69.7 °C--
Tenox™ R Antioxidant, Kosher-Light straw20 %-20 %-1.117----
Tenox™ TBHQ Food Grade Antioxidant, KosherSolidWhite to light tan------≥ 126.5 °C-99 wt % min.
THQ (Toluhydroquinone)-------279 °C (534 °F)127 °C (261 °F)172 °C (342 °F)99 % min
a - Carriers used in solution formulations include vegetable oil, propylene glycol, and/or mono- and diglycerides.
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