302-15-8 AI3-50017 CCRIS 2478 EINECS 206-115-4 HYDRAZINE, METHYL-, SULFATE Hydrazine, methyl-, sulfate (1:1) MHS Methylhydrazine monosulfate Methylhydrazine sulfate Methylhydrazine sulfate (1:1) Methylhydrazinium sulphate NSC 3802