Physical and chemical properties
Alias:Ethylene thioglycol; Thioglycol 2-Hydroxyethylmercaptane, MCE
Structure :HSCH2CH2OH
Formula:C2H6OS
Molecular weight:78.13
β-Mercaptoethanol is a colorless transparent liquid with a special smell. It is soluble in water, alcohol, aether, benzene and other organic solvents. It is hygroscopic in air, and not irritant. No cancers could be caused.
Boiling point:158℃(9.9 X 104 pa)
Flash point:: 75 ℃
Melting point: -100 ℃
Density:(20℃,g/cm3) 1.1143
Refractive index:(d20)1.4996
Viscosity:(20 ℃) 3.43cp
Specifications:
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Item
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Index
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Superior Grade
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First Grade
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General Grade
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Appearance
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Colorless liquid, no mechanical impurities
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Color(Pt－Co) ≤
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50
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50
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100
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Purity(%)≥
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99.2
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98.50
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98.00
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H2O(%) ≥
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0.50
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PH (50%V/V water solution) ≥
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3.0
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Emulsion separated time, Sec ≤
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60
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Use
1. As chain extender in manufacturing of low- polymer PVC.
2. As inhibitor for acrylo nitrile.
3. As transfer agent for polymerization.
4. As intermediate for production of corp protection agents and dyestuff.
5. As textile auxiliaries and inhibitors for pickling baths.
Packing and Storage
Packing Size: In 220kg net plastic drum. Handle and carry with care, protect against heat and fire. Sealed and stored in cool, dry ventilative warehouse. keep away from Oxides (such as H2O2, H2SO4,other organic oxides) and sunlight .
Toxicity & Treatment
MCE has a special unpleasant odor. It has slightly absorption on clothes. When touched by skin, soap water,3% H2O2 or 0.5%KMnO4 is used to clean MCE.
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