【Sulphuric acid for industrial use】 Dimethyl Sulfate workshop It have methyl alcohol and smokemaking vitriol as material made and carry out standard of Q/320401 FZJ001-1998. A、 Molecular formula：molecular weight:126.1 B、 Substance function：Achromatism liquid and very poison which odor is bad for eye and respiration and cauterization of skin while ammonium hydroxide as antidote. It isn't dissolve in water but dissolve in ethanol and aether and decomposed in water. C、 Use：It is one of important chemical material and also is one excellent methylate which main used in fabricate dyestuff and curative and flavor and methyl cellulose etc. D、 Standard of quality： （1）、Excellent brand product：content of ester≥98.5%；content ofacerbity≤0.6 (2)、Stair brand：containing water or moisture of ester≥98%；content of acerbity≤0.8 E、 Pack：250KG pail package and loose package.   ---------------------------------------------------------------------------------------------------- ©Changzhou city qinghong chemical Co.,Ltd/Changzhou city Zaojiang chemical factroy E-mail:qinghong@qinghong-chemical.com