供应间苯二甲酸
间苯二甲酸          规格:  98.0%        产地:德国            包装:  200kg/桶          价格:6000元/吨

间苯二甲酸

Isophthalic  acid

CAS号：121-91-5        MDL号：MFCD00002516  

Beilstein  1909332    EINECS号：204-506-4  

分  子  式：C8H6O4；C6H4-1,3-(CO2H2)    

分  子  量：166.13  

别名：  1,3-苯二甲酸;间苯二甲酸;间酞酸;异苯二甲酸;异酞酸    

英文名称：Isophthalic  acid  

化学性质：白色结晶性粉未。易燃。低毒。热至325℃以上升华而不溶化。易溶于甲醇、乙醇、丙酮和冰乙酸，微溶于沸水、几乎不溶于苯、甲苯和石油醚。有刺激性。水中溶解度:0.01g/100ml  (25  C)

密度：1.507

熔点：345-348℃  

  

质量标准  

项目Item                                                                                                  分析纯（AR）

外观Appearance                                                                                  白色至白色结晶粉未

纯度Purity                                                                                          >99.0%  (GC)  

碱液溶解试验Solubility  in  ImoI/L  NaOH                                    溶液透明

硫酸盐灰分Sulfated  ash                                                                  <0.0015%

Fe                                                                                                          <2  PPM

Co                                                                                                          <1  PPM

Mn                                                                                                          <2  PPM

间甲苯甲酸m-toluic  acid：                                                            <0.015%

3-羧基苯甲醚3-carboxy  benzaldehyde：                                      <0.002%

  

项目                                                                                                      化学纯（CP）

含量Assay                                                                                            ≥98.0%

铁Fe                                                                                                      ≤  0.002%

灼烧残渣Residue  ignition                                                              ≤  0.020%  

储存方式：密封保存

用途：  用作色谱分析试剂，也用于有机合成

联合国编号

Risk：

Safety：S24/25

Hazard：