Pharmaceutical grade cream matrix ointment matrix white matrix excipients 25kg a barrel

Pharmaceutical grade cream matrix ointment matrix white matrix excipients 25kg barrel of pharmaceutical grade cream matrix ointment matrix white matrix excipients 25kg barrel Bai FenglaWhite Beeswax [8012-89-3] This strain is made of beeswax (wax of bee secretion) refined by oxidative bleaching
.

Due to the different types of bees, the beeswax secreted by Chinese bees is commonly known as Chinese beeswax (acid value 5.
0 to 8.
0), and the beeswax secreted by Western bee species (mainly referring to bees) is commonly known as western beeswax (acid value of 16.
0 to 23.
0).


【Properties】This product is white or light yellow solid, matte, no crystal; Has a specific odor
.

Medium soluble, slightly soluble in medium, almost insoluble
in water or absolute ethanol.

Relative density Take this product, make a block of 1cm long, wide and high, put it in a 500ml measuring cup, add ethanol solution (1→3) about 400ml (20 °C), if the wax block sinks, distilled water can be added; If the wax block floats, ethanol can be added until the wax block can be stopped at any point in the solution, that is, the relative density test solution
can be obtained.

Take the test solution, according to the relative density determination method (general rule 0601), the relative density of this product is 0.
954~0.
964
.

Melting point The melting point of this product (general rule 0612 second method) is 62 ~ 67 °C
.

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