潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: 25kgs drum

Uses : making kathon or isothiazolinone

Molecular Structure:

Product description: Name:N,N′-dimethy1-3,3′-dithodipropionamide Molecular formula:C8H16N2O2S2 Molecular weight:236.357 CAS NO.:999-72-4 Appearance：White fine powder Molecular structure: Description of goods： N,N′-dimethy1-3,3′-dithodipropionamide is the main raw material of isothiazolinone manufacturing redients was synthesized starting from methyl acrylate by nucleophilic addition,purification with desulfurization and amidating,the total yield reached 85%.The effects of reaction agent relative ratio,reaction temperature and reaction time on the yield were discussed. Standard : Items Results Smell Weak smell Activities ≥98.0% Moisture ≤0.3% Mesh 100~200m Application: Is wide used in chemicals and medications especial used in isothiazolinone manufacturing Packing： Packed in 25kg drum Broad-spectrum antimicrobial activity toward bacteria, yeast and fungi. Supplied in easy to use liquid formulations. Compatible with protein and antibody applications. Excellent stability. Low concentrations needed, typically 6 - 15ppm. Low toxicity.