性状：微溶于水，不熔于丙酮。5%水溶液在25℃时，pH为9～10。比重3.28。100℃时失去结晶水而成为无水物。有毒。

备注: 以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。

质量标准：

Q/(HG)SJ 698-95
项目Item                                             分析纯（AR)         化学纯 (CP)
含量(C₈H₁₁N₂O₃Na)Assay,%                        ≥99.0                98.5
澄清度试验Clarity                                    合格                 合格
水不溶物Insiluble matter in water,%           ≤0.01                0.02
氯化物(Cl)Chloride,%                              ≤0.005               0.01
硫酸盐(SO₄)Sulfate ,%                            ≤0.005               0.01
硝酸盐(NO₃)Nitrate,%                             ≤0.005                0.02
磷酸盐(PO₄)Phosphate,%                          ≤0.001                0.003    
铵盐(NH₄)Ammonium,%                           ≤0.01                 0.02
重金属(以Pb计)Heavy metals,%                ≤0.001                0.002

ACS级
项目名称　                                                            ACS Grade
含量Assay                                                            99.5-103.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃           7.0-10.5
水不溶物Insoluble matter                                         ≤0.005%
氯化物(Cl)Chloride                                                 ≤0.005%
磷酸盐(PO₄)Phosphate                                             ≤5ppm
硫酸盐(SO₄)Sulfate                                                 ≤0.015%
铵(NH₄)Ammonium                                                 ≤0.001%
重金属(以Pb计)Heavy metals                                   ≤5ppm
铁(Fe)Iron                                                            ≤0.001%

99.99% metal basis:

外观Appearance                                 白色粉末
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 molybdate component
痕量金属分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission

贮存：易吸潮,密封保存

用途：用于制造生物碱、油墨、化肥、钼红颜料和耐晒颜料的沉淀剂、催化剂、钼盐，也可用于制造阻燃剂和无公害型冷水系统的金属抑制剂，还用作镀锌、磨光剂及化学试剂。

联合国编号

Risk：

Safety : S24/25 -

Hazard :