6.3 | Waxes

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20 Terms

1
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Waxes

- Natural mixtures

- has large amounts of esters derived from higher monohydric alcohols of the methyl alcohol series combined with fatty acids

2
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Waxes: Alcohols

- change from liquids to solids

- become less water-soluble

- higher MP & MW

3
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Waxes: Examples (2)

1. Vegetable products - e.g., carnauba wax

2. Animal products - e.g., beeswax

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Beeswax: Source

Melting & purifying the honeycomb of Apis mellifica and other bees

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Apis mellifica is a _

homeopathic therapy, not a bee species

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Beeswax: Zoological origins (5)

1. Apis mellifera

2. Apis dosarta

3. Apis cerana

4. Apis indica

5. Apis florea

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Beeswax: Family

Apidae

<p>Apidae</p>
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Beeswax: Geographical Sources (6)

1. West Indies

2. California

3. Chile

4. Africa

5. Madagascar

6. India

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Beeswax: Types (2)

1. Yellow beeswax

2. White beeswax

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Yellow Beeswax: Preparation

1. honey removal

2. melt comb underwater

3. solid impurities sink

4. residual honey dissolves

5. strain

6. wax solidifies in suitable molds

<p>1. honey removal</p><p>2. melt comb underwater</p><p>3. solid impurities sink</p><p>4. residual honey dissolves</p><p>5. strain</p><p>6. wax solidifies in suitable molds</p>
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White Beeswax: Preparation

yellow beeswax

- treated with charcoal, KMNO₄, HCrO₄, or Cl

- by slow bleaching action of light, air, and moisture

<p>yellow beeswax</p><p>- treated with charcoal, KMNO₄, HCrO₄, or Cl</p><p>- by slow bleaching action of light, air, and moisture</p>
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Beeswax: Characteristics (6)

1. yellow-brown or yellow-white

2. granular fracture

3. characteristic odor

4. water-insoluble

5. slightly alcohol-soluble

6. dissolves in chloroform, warm fixed and volatile oils

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Beeswax: Constituents (3)

1. 80% myrisin = myricryl palmitate

2. a little myricyl stearate

3. free cerotic acid

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Beeswax: Adulterants

Japan wax

- not a true wax, but a fat

- from fruits of Rhus, Anacardiaceae

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Beeswax: Uses

preparations of plasters, ointments, polishes

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Carnauba Wax: Botanical Origin

Copernicia cerifera

<p>Copernicia cerifera</p>
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Carnauba Wax: Family

Arecaceae

<p>Arecaceae</p>
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Carnauba Wax: Parts Used

Leaves

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Carnauba Wax: Constituents

Myricyl cerotate with some free alcohols and other minor constituents

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Carnauba Wax: Uses (3)

1. Tablet coating agent

2. Manufacture: candles and leather polish

3. Replacement of beeswax in phytocosmetics

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