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Herbal Essences Shampoo (Chemistry Exam)

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by

Ashley Racine

on 2 June 2014

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Transcript of Herbal Essences Shampoo (Chemistry Exam)

Herbal Essences Shampoo
By Ashley Racine
Water
Chemical Formula:
NaC12H25SO4
Chemical Name:
Sodium Lauryl Sulfate
Molecular Weight:
288.38 g/mole
Physical Property:
White to yellow color
Melting Point:
204 °C (399.2 °F)
Groups & Families:
Organosulfate
Hazards:
Keep away from heat, may be combustible at high temperatures.
Purpose:
The least irritating of the surfactant detergents, the chemicals used to alter the surface tension of water and facilitate efficient cleaning.
Manufacturer:
Procter & Gamble, Cincinnati, OH 45202

Sodium Lauryl Sulfate
Chemical Formula:
C6H8O7
Chemical Name:
Citric Acid
Molecular Weight:
258.07 g/mole
Physical Property:
Solid, White color
Groups & Families:
Carboxylic Acid and alcohol
Hazards:
May be combustible at high temperatures.
Purpose:
To adjust the pH down to 5.5. Fairly weak acid which makes the adjustment easier.
Manufacturer:
Procter & Gamble, Cincinnati, OH 45202
Citric Acid
Chemical Formula:
NaC7H5O2
Chemical Name:
Sodium Benzoate
Molecular Weight:
144.11 g/mole
Physical Property:
White or colorless crystalline powder.
Melting Point:
410 °C (770 °F)
Groups & Families:
Carboxylic
Hazards:
May be combustible at high temperatures.
Purpose:
Kills bacteria, fungi, and yeasts, and works well in acidic mixtures.
Manufacturer:
Procter & Gamble, Cincinnati, OH 45202
Sodium Benzoate
Chemical Formula:
NaCl
Chemical Name:
Sodium Chloride
Molecular Weight:
58.44 g/mole
Physical Property:
Colorless crystals
Melting Point:
801 °C (1473.8 °f)
Groups & Families:
N/A
Hazards:
Non - flammable
Purpose: T
o thicken the mixture if the main surfactants are sodium lauryl sulfates. If the surfactants are ammonium based, then ammonium chloride is used. Salt can make the shampoo harsh and sting the eyes, so more expensive thickeners are used to keep the salt levels low.
Manufacturer:
Procter & Gamble, Cincinnati, OH 45202
Sodium Chloride
Five Ingredients
Water
Sodium Lauryl Sulfate
Citric Acid
Sodium Benzoate
Sodium Chloride
Chemical Formula:
H2O
Chemical Name:
Water
Molecular Weight:
18.02 g/mole
Boiling Point:
100°C (211.97 °F)
Groups & Families:
N/A
Hazards:
N/A
Purpose:
Added to make it the correct consistency for use.
Manufacture:
Procter & Gamble, Cincinnati, OH 45202
Full transcript