Phenylacetaldehyde dimethyl acetal CAS NO.101-48-4

1-Amino-3-(b-hydroxyethylsulfonyl)benzene Appearance light white to pink powder MFC8H11NO3S CAS5246-57-1 1-Amino-3-(b-hydroxye…

1-Amino-3-(b-hydroxyethylsulfonyl)benzeneAppearance light white to pink powderMFC8H11NO3S CAS5246-57-1 1-Amino-3-(b-hydroxyethylsulfonyl)benzene Benzene as the starting material , through chlorosulfonation , restore , hydroxyethyl , nitration , and hydrogenation of five-step reaction of the target product amino oil.   NO.ITEMFirst classQualified1.APPEARANCEPale white and red tide products2. Total Amino- Value{m-(B-Hydroxyethyl sulfonyl) aniline}  %≥96.00≥95.003.m-(B-Hydroxyethyl sulfonyl) aniline (HPLC)mass fraction %≥97.00≥96.504.B,B-2(3,3- diaminobenzene),(HPLC)mass fraction %≤1.00≤1.0053-{B[3-(B-Hydroxyethyl sulfonyl) Phenyl}HPLC mass fraction %≤1.20≤1.506Water- insoluble %≤0.10≤0.20