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Soy wax is made by the full hydrogenation of soybean oil; [1] [2] chemically this gives a triglyceride, containing a high proportion of stearic acid. It is typically softer than paraffin wax and with a lower melting temperature, in most combinations. However, additives can raise this melting point to temperatures typical for paraffin-based candles.
Stearic acid (/ ˈ s t ɪər ɪ k / STEER-ik, / s t i ˈ ær ɪ k / stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. [9] The IUPAC name is octadecanoic acid. [9] It is a soft waxy solid with the formula CH 3 (CH 2) 16 CO 2 H. [9] The triglyceride derived from three molecules of stearic acid is called stearin. [9]
Check the wax type: Look for candles made from soy, coconut, beeswax or other plant-based or natural waxes. 2. Examine the wick: Ensure it's 100% cotton or wood. While lead-cored wicks are banned ...
Paraffin represented a major advance in the candle-making industry because it burned cleanly and was cheaper to manufacture than other candle fuels such as beeswax and tallow. Paraffin wax initially suffered from a low melting point. This was remedied by adding stearic acid. The production of paraffin wax enjoyed a boom in the early 20th ...
It also contains the saturated fatty acids stearic acid (C-18:0), 4%, and palmitic acid (C-16:0), 10%. The high proportion of oxidation-prone polyunsaturated fatty acid is undesirable for some uses, such as cooking oils. Three companies, Monsanto Company, DuPont/Bunge, and Asoyia in 2004 introduced low linolenic Roundup Ready soybeans.
When it comes to finding nontoxic candles, MADE SAFE-certified Fontana Candle Co. says you want to look out for three factors: (1) wax type, (2) fragrance type and (3) wick type. Simply put, this ...