供应丙烯酸
丙烯酸                  规格:  ≥99.9%    产地:  韩国              包装:  200kg/桶          价格:  10000元/吨  

丙烯酸

Acrylic  acid

CAS号：79-10-7    MDL号：MFCD00004367    

分子量：72.06    EINECS号：  201-177-9    

分子式：C3H4O2    分子结构:

别名：2-丙烯酸;败酯酸;聚合级丙烯酸  

英文名称：Acrylic  acid  

化学性质：无色液体，有刺激性气味。  能溶于水、乙醇和醚。对光敏感。能发烟。在氧存在下极易聚合。能与水、醚、乙醇任意混溶。化学性质活泼。易聚合。有腐蚀性。商品常加入一定量阻聚剂作稳定剂。熔点：14℃  

沸点：141℃  

相对密度（H2O）=1）：  1.05  

相对密度（air=1）：  2.49  

饱和蒸汽压：  3mmHg    

20℃  燃烧热：（4.540Kcal/g）  1370KJ/mol  

临界温度：  342℃  

临界压力：  （56atm）  5.67Mpa  

溶解性：与水混溶可混溶于乙醇、乙醚中。  

稳定性：在15~25℃有阻聚剂存在的条件下较稳定  

聚合危害：随着贮存期的增加，自聚物增加  

避免接触条件：光照、受热  禁忌物：强氧化剂、强碱  燃烧（分解）产物：一氧化碳、二氧化碳  

  

质量标准

GCS    /    AR  

项目                                                                                                              优级纯      

                                                                                                                              (GR)  

纯度Purity                                                                                            ≥99.5%  (GC)  

结晶点Freezing  point                                                          12.5  -  13.5°C

比重Specific  gravity  (20/20°C)                            1.0500  -  1.0540

折光率Refractive  index  n20/D                              1.4192  -  1.4212  

色度Color  scale                                                                          <20  APHA  

水分Water                                                                                          <0.1  %  (K.F.)  

二丙烯酸diacrylic  acid:                                                    <  0.2%  

稳定剂Stabilizer                                                                        180  -  220  ppm  MEHQ  

外观Appearance                                                                        透明液体

红外光谱鉴别Infrared  spectrometry              和对照品匹配  

  

项目                                                                                                              分析纯      

                                                                                                                                (GR)  

纯度Purity                                                                                            ≥99%  (GC)  

比重Specific  gravity  (20/20°C)                            1.0510  -  1.0550

折光率Refractive  index  n20/D                              1.4190  -  1.4210

稳定剂Stabilizer                                                                          180  -  220  ppm  MEHQ    

外观Appearance                                                                        透明液体

红外光谱鉴别Infrared  spectrometry              和对照品匹配  

  

项目                                                                                                              化学纯      

                                                                                                                                (CP)  

纯度Purity                                                                                            ≥98.0%  

结晶点Freeging  point                                                            ≥8.0℃

比重Specific  gravity  (20/20°C)                              1.049～1.055      

灼烧残渣Residue  ignition                                                ≤0.01%    

备注：该产品在贮存期间有可能发生聚合

  

用途：通过均聚或共聚制备高聚物，用于涂料、粘合剂、固体树脂、模塑料等  

危险性质

储存方式：储存于阴凉、通风的库房。远离火种、热源。库温不宜超过５℃（装于受压容器中例外）。库内湿度最好不大于85％。包装要求密封，不可与空气接触。应与氧化剂、碱类分开存放，切忌混储。不宜大量储存或久存。采用防爆型照明、通风设施。禁止使用易产生火花的机械设备和工具。  

注：该产品在贮存期间有可能发生聚合