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Glycol Stearate
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Description
Glycol Stearate
Other Names: Ethylene glycol monostearate, Glycol monostearate, 2-Hydroxyethyl stearate, Octadecanoic acid 2-hydroxyethyl ester, Stearic acid 2-hydroxyethyl ester
CAS Number: 111-60-4
Sum Formula: C₂₀H₄₀O₃
Molar Mass: 328.54 g/mol
Appearance: White to off-white waxy solid or flakes
Glycol stearate is an ester of stearic acid (a long-chain saturated fatty acid) and ethylene glycol. It is a nonionic surfactant and emulsifier with good solubility in oils and compatibility with a wide range of materials. Its amphiphilic structure makes it useful in the production of waxes, emulsions, and specialty chemical formulations.
Chemical and Physical Properties
Density: Approx. 0.95 g/cm³ (estimated)
Melting Point: 55–65°C
Boiling Point: Decomposes before boiling
Solubility in Water: Practically insoluble
Solubility in Other Solvents: Soluble in alcohols, oils, and organic solvents
Odor: Faint, fatty odor
Applications
Surfactants and Emulsifiers: Used in emulsifying agents for chemical formulations and coatings.
Lubricants and Waxes: Component in specialty waxes and lubricating systems.
Polymer Processing: Used as an internal lubricant or antistatic additive in plastic production.
Chemical Manufacturing: Intermediate in the production of esters, emulsifiers, and surface-active agents.
Safety
Signal Word: Warning
H315 (18.9%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (19.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (17.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Handling and Storage
Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area. Protect from heat, light, and moisture.
Handling Precautions: Avoid dust formation and direct contact with skin and eyes. Use appropriate PPE and handle under standard industrial hygiene practices.