作者coldshawn (暴走Eva初號機)
看板NTUBIME96-HW
標題Re: 普化實驗的藥性
時間Wed Feb 25 07:33:25 2004
能翻多少就寫多少吧
Adapt from
The Mearck Index .13e. p.1590
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Sulfamic Acid. Amidosulfonic acid.
H3NO3S; mol wt. 97.09. H 3.11%, N14.43%,
O 49.44%, S 33.03%. H2NSO3H. Obtained from
chlorosulfonic acid and ammonia, or by heating
urea with H2SO4. Orthorhombic crystals. d 2.15
mp~205(dec). Stable when dry but in soln it
slowly hydrolyzes forming ammonium bisulfate
.Sol in 6.5 parts water at 0, in about 2 parts
water at 80. Sulfuric acid decrease its soly in
water. It is sparingly sol in alcohol, methanol;
slightly sol in acetone. Insol in ether. Freely
sol in nitrogenous base, e.g. liq ammonia, also
in nitrogen contg organic solvents, e.g. pyeidine
,formamide, dimethyformamide. A strong acid;
pH of a 1% soln at 25 1.18. Can be titrated with
base by means of indicators showing color change
between pH 4.5 to 9. MLD orally in rats:1.6 g/kg.
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