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Diethanolamine ( DEA : DEOA ) Cosmetic Grade Cosmetics Manufacture Soap Surfactants - 20 000ml
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 Cosmetic Grade Cosmetics Manufacture Soap Surfactants - 20 000ml "Pin It")
Description
Diethanolamine (DEA, DEOA)
Other Names: 2,2'-Iminodiethanol, Bis(2-hydroxyethyl)amine
CAS Number: 111-42-2
Chemical Formula: C₄H₁₁NO₂
Molar Mass: 105.14 g/mol
Appearance: Colorless to pale yellow viscous liquid
Description
Diethanolamine is a secondary amine and a diol, commonly used in the manufacture of cosmetic and personal care products, as well as in industrial formulations. It functions as a surfactant, emulsifier, and pH regulator. Its hydroxyl groups enhance solubility, while its amine group enables buffering and chemical reactivity.
Chemical and Physical Properties
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Density: ~1.09 g/cm³ at 20 °C
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Melting Point: 28 °C
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Boiling Point: 268 °C
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Solubility in Water: Completely miscible
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Solubility in Other Solvents: Miscible with alcohol, acetone, and glycerol
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Odor: Mild ammoniacal
Applications
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Cosmetics and Toiletries: Used in creams, lotions, shampoos, and soaps as an emulsifier, thickener, and pH stabilizer.
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Surfactants: Intermediate in the synthesis of anionic and nonionic surfactants.
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Detergents and Cleaners: Enhances foam stability and emulsifying properties.
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Textile Industry: Used in softening and conditioning agents.
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Industrial Fluids: Found in metalworking fluids and corrosion inhibitors.
Safety
Signal Word: Danger
H302 (98.8%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (99.5%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (99.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H373 (89.4%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
P260, P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, and P501
Handling and Storage
Storage Conditions:
Store in tightly closed containers in a cool, dry, and well-ventilated area. Protect from moisture and heat sources.
Handling Precautions:
Avoid contact with skin and eyes. Use only in well-ventilated areas. Wear appropriate personal protective equipment.