3-甲基-2-苯并噻唑酮腙盐酸盐一水合物，MBTH盐酸盐，Sawicki‘s 试剂，97.5-102.5%

4.120127
3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate
for analysis
C8H9N3S•HCl•H2O         M.= 233.72 (215.70 anhy)
CAS No.                     38894-11-0
Related CAS No.             149022-15-1

Assay (HPLC)                                             97.5-102.5%
Loss on drying                                           ≤ 8%
solubility in water（5mg/ml）                            clear
Suitability for aldehyde analysis                        p/t.

cas 4338-98-1，它是3-甲基-2-苯并噻唑酮腙盐酸盐的形式，不含结晶水的。
cas 149022-15-1，它是含有X个结晶水的盐酸盐；
cas 38894-11-0，它是还有一个结晶水的盐酸盐产品