Lawsone. Hi I m Molly Cool. A red-orange dye extracted from the leaves of the Henna plant, used as a hair/skin pigment

Transcription

1 Lawsone A red-orange dye extracted from the leaves of the Henna plant, used as a hair/skin pigment 10 C Carbon (black) 3 xygen (red) 6 H Hydrogen (white) 8 single bonds (straight) 12 double bonds (bendy)

2 Juglone An orange-brown dye extracted from the leaves of the black walnut tree, used in hair dye 10 C Carbon (black) 3 xygen (red) 6 H Hydrogen (white) 8 single bonds (straight) 12 double bonds (bendy)

3 Cochineal A bright red dye used in foods and cosmetics, extracted from a South American insect C Carbon (black) 13 xygen (red) 20 H Hydrogen (white) 7 single bonds (straight) 8 double bonds (bendy)

4 Fake Tan Dihydroxyacetone is found in fake tan. It reacts with the proteins on the surface of your skin and turns them brown. 3 C Carbon (black) 3 xygen (red) 6 H Hydrogen (white) 4 single bonds (straight) 2 double bonds (bendy)

5 Indigo An ancient dye obtained from woad. Now used to make the blue dye to colour jeans 16 C Carbon (black) 2 xygen (red) 2 N Nitrogen (dark blue) 10 H Hydrogen (white) 14 single bonds (straight) 18 double bonds (bendy)

6 Sudan 1 A red dye that made the news in 2005 when it was improperly used to colour chilli powder 16 C Carbon (black) 1 xygen (red) 2 N Nitrogen (light blue) 12 H Hydrogen (white) 12 single bonds (straight) 18 double bonds (bendy)

7 Tyrian Purple Harvested from sea snails, an rare and expensive dye used to colour the robes of Roman Emperors 16 C Carbon (black) 2 xygen (red) 2 N Nitrogen (dark blue) 2 Br Bromine (orange) 8 H Hydrogen (white) 16 single bonds (straight) 18 double bonds (bendy)

8 Alizarin A red dye extracted from the madder plant. The first natural dye to be synthetically manufactured 14 C Carbon (black) 4 xygen (red) 8 H Hydrogen (white) 12 single bonds (straight) 16 double bonds (bendy)

9 Quinacridone A synthetic, light resistant, violet pigment used in paints and dyes 20 C Carbon (black) 2 xygen (red) 2 N Nitrogen (dark blue) 12 H Hydrogen (white) 17 single bonds (straight) 22 double bonds (bendy)

10 Tartrazine A bright yellow molecule often used to colour orange squash. It is also known as E C Carbon (black) 9 xygen (red) 1 N Nitrogen (dark blue) 3 N Nitrogen (light blue) 2 S Sulphur (yellow, 6 holes) 3 Na Sodium (grey) 9 H Hydrogen (white) 23 single bonds (straight) 28 double bonds (bendy)

11 Vanillin The smell of vanilla. Extracted from the vanilla pod and used to flavour ice-cream and other foods 8 C Carbon (black) 3 xygen (red) 8 H Hydrogen (white) 7 single bonds (straight) 8 double bonds (bendy)

12 Skatole The smell of poo. Produced naturally by digestion of the amino acid tryptophan 9 C Carbon (black) 1 N Nitrogen (dark blue) 9 H Hydrogen (white) 7 single bonds (straight) 8 double bonds (bendy)

13 Putrescine Produced by the Carrion flower to attract insects, this molecule smells of decaying flesh 3 C Carbon (black) 2 N Nitrogen (light blue) 10 H Hydrogen (white) 4 single bonds (straight)

14 Leaf alcohol Correctly called cis-3-hexen-1-ol, this molecule smells of freshly cut green grass 6 C Carbon (black) 1 xygen (red) 12 H Hydrogen (white) 5 single bonds (straight) 2 double bonds (bendy)

15 Musk A smelly molecule used in perfumes. It was originally extracted from Musk deer 16 C Carbon (black) 1 xygen (red) 30 H Hydrogen (white) 16 single bonds (straight) 2 double bonds (bendy)

16 Spearmint Extracted from leaves of the spearmint plant and used to flavour toothpaste and chewing gum 10 C Carbon (black) 1 xygen (red) 14 H Hydrogen (white) 8 single bonds (straight) 6 double bonds (bendy)

17 Linalool A spicy floral scent extracted from lavender 10 C Carbon (black) 1 xygen (red) 18 H Hydrogen (white) 8 single bonds (straight) 4 double bonds (bendy)

18 Geraniol A scented oil extracted from rose petals 10 C Carbon (black) 1 xygen (red) 18 H Hydrogen (white) 8 single bonds (straight) 4 double bonds (bendy)

19 Cinnamaldehyde Found naturally in the bark of cinnamon tree this molecule gives cinnamon its taste 9 C Carbon (black) 1 xygen (red) 8 H Hydrogen (white) 5 single bonds (straight) 10 double bonds (bendy)

20 Menthol A soothing, minty tasting molecule used in sweets and cough medicines 10 C Carbon (black) 1 xygen (red) 20 H Hydrogen (white) 11 single bonds (straight)