订购电话:4001650900

1-Stearoyl-rac-glycerol

Cas:
123-94-4
Molecular Structure:
MDL:
MFCD00036186
Molecular Formula:
C21H42O4; CH3(CH2)16COOCH2CH(OH)CH2OH
Molecular Weight:
358.56
Alias:
甘油单硬酯酸酯,十八酸甘油酯,单甘脂 1-Monooctadecanoyl-rac-glycerol rac-Glycerol 1-stearate DL-α-Stearin Monostearin Glycerol alpha-Monostearate
Product order:
Name Specifications Packing Price Delivery
1-Stearoyl-rac-glycerol AR 25kg RMB 1930.5 Consulting service
1-Stearoyl-rac-glycerol 色谱固定液 100g RMB 81.4 Consulting service
1-Stearoyl-rac-glycerol AR 1Kg RMB 82.5 Consulting service
1-Stearoyl-rac-glycerol AR 500g RMB 46.2 Consulting service
1-Stearoyl-rac-glycerol AR 250g RMB 27.5 Consulting service
1-Stearoyl-rac-glycerol CP 250g RMB 22 Consulting service
Character:
白色或微黄色蜡状固体,有愉快的气味,有脂肪味。能溶于热的有机溶剂,如醚、苯、丙酮和矿物油,不溶于水。但在少量表面活性剂存在下,能在热水中分散。半数致死量(小鼠,腹腔)200mg/kg。商品常为甘油单硬脂酸酯和甘油单软脂酸酯的混合物。单甘酯为油包水型乳化剂,在热水中经强烈震荡而乳化。 分子蒸馏单甘酯比粗甘酯纯度高、颜色洁白、乳化效果好。其乳化和保鲜效果比粗单甘酯高两倍,对面包直链淀粉复合指数可从粗单甘酯的28提高到92。
熔点:70 °C
Quality Standard:
项目Item                                    化学纯
                                             (CP)
碘值Iodine value/(I2g/100g)                ≤6.0  
熔点Melting renge/℃                        ≥53.0  
酸价Acid value,mg/g                         ≤5  
皂化值Saponification value/(KOHmg/g)     166.0~172.0  
灼烧残渣Residue ignition                    ≤0.4%  

项目Item                                    分析纯(分子蒸馏)
                                             (AR)
单硬脂酸甘油酯含量%                        ≥90.0
碘值,g/100g                                ≤4.0
游离酸(以硬脂酸计)%                      ≤2.5
砷(As)%                                    ≤0.0001
重金属(以Pb计)%                          ≤0.0005 

Storage:
密封保存
用途  生化研究,人造奶油的增稠,油类和蜡等的溶剂,乳化剂,吸湿性粉末的保护剂,不透明遮光剂。气相色谱固定液(最高使用温度125℃,溶剂为热乙醇),分离分析含氧化合物及挥发油。
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