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Dicyandiamide

Cas:
461-58-5
Molecular Structure:
MDL:
MFCD00008066
Molecular Formula:
C2H4N4;NH2C(=NH)NHCN
Molecular Weight:
84.08
Alias:
双氰胺,氰胍,二聚氰 Cyanoguanidine Dicyanodiamide
Product order:
Name Specifications Packing Price Delivery
Dicyandiamide AR 250g RMB 64.9 Consulting service
Dicyandiamide 电子级 250g RMB 62.7 Consulting service
Dicyandiamide AR 1kg RMB 113.3 Consulting service
Dicyandiamide 电子级 1Kg RMB 253 Consulting service
Dicyandiamide CP 250g RMB 38.5 Consulting service
Character:
白色单斜形结晶或粉末,水中溶解度在13℃时为2.26%,在热水中溶解度较大。当水溶液在80℃时逐渐分解产生氨,无水乙醇中溶解度在13℃时为1.2%,能溶于液氨,不溶于苯和氯仿。低毒,半数致死量(小鼠,经口)>4000mg/kg。
密度:1.40
熔点:208-211 °C
Quality Standard:
项目Item                                 分析纯      
                                          (AR)
外观Appearance                          白色结晶粉末
红外光谱鉴别Infrared spectrometry       Conforms to standard
纯度Purity                              ≥99.0% (GC)  
熔点Melting point                       209°C - 213°C
水分Water                               <0.5 % (K.F.)
硫酸盐灰分Sulfated ash                  <0.1 %
        

项目Item                                 电子级
双氰胺含量assay,%                        ≥ 99.8
水份water,%                              ≤ 0.20
灰份ash,%                                ≤ 0.02
熔点mp,℃                                209-212
钙含量Ca,μg/g                            ≤ 25
铁含量Fe,μg/g                            ≤ 2


品级Grade                               化学纯  
                                         (CP)
水溶解试验                               合格  
含量(C2H4N4),%                          ≥98.0  
熔点范围/℃                              207.0~211.0(3.0)  
灼烧残渣(以硫酸盐计),%                  ≤0.05  

Storage:
密封保存。
检定钴、镍、铜和钯, 有机合成, 硝化纤维稳定剂, 硬化剂, 去垢剂, 硫化促进剂, 树脂合成。
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