订购电话:4001650900

1,4-Butanediol

Cas:
110-63-4
Molecular Structure:
MDL:
【110-63-4】
Molecular Formula:
C4H10O2;HOCH2CH2CH2CH2OH
Molecular Weight:
90.12
Alias:
1,4—二羟基丁烷,丁撑二醇 Tetramethylene glycol 1,4-Butylene glycol 1,4-dilhydroxybutane
Product order:
Name Specifications Packing Price Delivery
1,4-Butanediol GR 2.5L RMB 440 Consulting service
1,4-Butanediol GR 500ml RMB 96.8 Consulting service
1,4-Butanediol 分析标准品 250mg RMB 434.5 Consulting service
1,4-Butanediol CP 500ml RMB 39.6 Consulting service
1,4-Butanediol AR 500ml RMB 48.4 Consulting service
1,4-Butanediol GCS,>99%(GC) 5ml RMB 39.6 Consulting service
Character:
无色粘稠油状液体,可燃。味苦。能与水混溶,能溶于醇,微溶于醚。在冷却剂中凝固成无色针状结晶,与稀硝酸反应成丁二酸,遇碳酸钾溶液产生沉淀。
熔点:16℃
沸点:230℃
闪点:>121℃
折光率n20/D:1.442-1.448
密度:1.015-1.020
Quality Standard:
项目Item                                    分析纯
                                             (AR)
含量(C4H10O2)Assay,%                        ≥98.0
色度,黑曾单位Color                         ≤10
酸度(以CH3COOH计)Acidity,%                  ≤0.05
相对密度(20℃/20℃)                      1.015-1.020
结晶点Freeging point,℃                     ≥18.0
折光率Refractive index,nD25                1.442-1.448
水份(H2O)Water,%                             ≤0.5
乙醇溶解试验Solubility in ethanol             合格

项目Item                                    化学纯
                                             (CP)
结晶点Freeging point,℃                     ≥15.0  
比重Specific gravity (20/20°C)             1.015~1.018  
水分Water                                   ≤0.5%  
水溶解试验Solubility in Water               合格  
酸度Acidity(以H+计)/(mmol/100g)           ≤0.25  
灼烧残渣Ignition residue                    ≤0.01%  


项目                                    优级纯  
                                        (GR)
外观Appearance                          透明微粘稠液体
纯度Purity                              >99.0 %  (GC)
相对密度Specific gravity (20/20°C)     1.0170 - 1.0190
折光率Refractive index n20/D            1.4440 - 1.4470
色度Color scale                         <10 Apha
结晶点Freezing point                    19.0 ~ 21.0 °C
水分Water                               <0.1 % (K.F.) 

Storage:
密封保存。
用途  溶剂。湿润剂。增塑剂的中间体。制造聚氨基甲酸酯高弹体的交联剂。有机合成。制造四氢呋喃。 
Related Products
上海紫一试剂厂   © 2024 All Rights Reserved      备案号:沪ICP备19037119号-1     
网站地图:
试剂CAS试剂分类试剂产品实验仪器耗材分类实验仪器耗材新闻资讯
   沪公网安备 31012002003055号