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4-Dimethylaminopyridine
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L-tyrosine
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4-Methoxyphenol (MEHQ)
4-tert-Butylcatechol (TBC)
Phenothiazine


Product name: Phenothiazine
Molecular formula : C12H9NS
Molecular weight: 166.22
Quality Index :
Index name Index Index name Index
Appearance light yellow crystalline powder Loss on drying ≤0.3%
Melting point 183-186℃ Residue on Ignition ≤0.1%
Shape and properties: light yellow or light yellow crystalline powder
Industrial standard:
Index name Index Index name Index
Appearance gray green powder Volatile matter ≤0.1%
Assay ≥97% Residue on Ignition ≤0.1%
Melting point ≥176℃    
Uses: Mainly used as the polymerization inhibitor of acrylic acid and acrylic ester, methacrylic acid and ester monomer; also can be used as the polymerization inhibitor of alkenyl monomer, vinyl acetate, material of oxidant of rubber. Also used for cattle helminthic and pesticide of fruit trees .
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