性状  黄色到橙黄色结晶。缓慢地溶于水，但含有矿酸时溶解较快，不溶于乙醇。
   
质量标准  
项目Item                                             分析纯       化学纯
                                                      (AR)         (CP)
含(CeH16N4O16
S4· 4H2O)Assay,%                                     ≥ 98.0      95.0
三价铈盐(CeO2)Cerous,%                                ≤ 0.2       0.8
其他稀土金属Other rare metals,%                       ≤ 0.2       0.8
硫酸不溶物Insolubhe in sulfuric acid,%                ≤ 0.05      0.1
氯化物(Cl)Chloride,%                                  ≤ 0.01      0.02
铝(以Al2O3计)Aluminum,%                               ≤ 0.08      0.08
氨水不沉淀物Substances not precipitated by ammonia,%  ≤ 0.20      0.20
重金属(以Pb计)Heavy metals,%                          ≤ 0.005     0.015
铁(Fe)Iron,%                                          ≤ 0.005     0.02

99.99% metals basis:

外观Appearance                          yellow to orange powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP Assay                               Confirms cerium and sulfur component
Ce                                      18.9% - 22.8%  (titration with dichromate)
痕量金属分析total metallic impurities  ≤100ppm by ICP Atomic emission

贮存  密封保存
用途  氧化还原滴定试剂。
联合国编号  
Risk：  R36/37/38-
Safety :  S26- S36-