质量标准

项目Item                                                             分析纯    化学纯
                                                                            (AR)      (CP)
含量(C6H12N4)Assay,%                                ≥99.0     98.0
pH(100g/L,25℃)pH of water solution          8.5-9.5   8.5-9.5
澄清度试验Clarity                                            合格      合格
水不溶物Insoluble matter in water,%        ≤0.002     0.005
灼烧残渣(以硫酸盐计)Ignition residue,%     ≤0.01      0.03
氯化物(Cl)Chloride,%                                     ≤0.001     0.005
硫酸盐(SO4)Sulfate,%                                    ≤0.001　　 0.003
铵盐(NH4)Ammonium,%                               ≤0.001　　 0.003
铁(Fe)Iron,% 　　　　　　                         ≤0.001     0.005   
重金属(以Pb计)Heavy metals,%                  ≤0.0005    0.001

ACS级
项目名称　                                  ACS Grade
含量(C6H12N4)Assay                         ≥99.0%
干燥失重Loss on drying                     ≤2.0%
灼烧残渣Residue after ignition             ≤0.1%
重金属(以Pb计)Heavy metals                 ≤0.001%

品级Grade                                 药用级 
                                  (Ph. Eur., BP, USP,99-100.5%)
assay(calc. to the dried substance)       99-100.5%
acidic and alkalic reac. substances,      complies
residual solvents,                        in accordance
heavy metals (as Pb)                      ≤0.002%
free formaldehyde                         ≤0.005%
loss on drying                            ≤2%
chloride (Cl-):                           ≤100 ppm
sulfate (SO42-):                          ≤100 ppm
suitability  for solution                 complies

危险品标志  F,Xn
危险类别码  11-42/43
WGK Germany  1
RTECS号 MN4725000
F  9-23
HazardClass  4.1
PackingGroup  III
安全说明  16-22-24-37
危险品运输编号  UN 1328 4.1/PG 3

贮存

阴凉处干燥密封保存