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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:
甘油單硬酯酸酯,十八酸甘油酯,單甘脂 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 色譜固定液 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:
白色或微黃色蠟狀固體,有愉快的氣味,有脂肪味。能溶于熱的有機(jī)溶劑,如醚、苯、丙酮和礦物油,不溶于水。但在少量表面活性劑存在下,能在熱水中分散。半數(shù)致死量(小鼠,腹腔)200mg/kg。商品常為甘油單硬脂酸酯和甘油單軟脂酸酯的混合物。單甘酯為油包水型乳化劑,在熱水中經(jīng)強(qiáng)烈震蕩而乳化。 分子蒸餾單甘酯比粗甘酯純度高、顏色潔白、乳化效果好。其乳化和保鮮效果比粗單甘酯高兩倍,對面包直鏈淀粉復(fù)合指數(shù)可從粗單甘酯的28提高到92。
熔點(diǎn):70 °C
Quality Standard:
項(xiàng)目Item                                    化學(xué)純
                                             (CP)
碘值Iodine value/(I2g/100g)                ≤6.0  
熔點(diǎn)Melting renge/℃                        ≥53.0  
酸價Acid value,mg/g                         ≤5  
皂化值Saponification value/(KOHmg/g)     166.0~172.0  
灼燒殘?jiān)黂esidue ignition                    ≤0.4%  

項(xiàng)目Item                                    分析純(分子蒸餾)
                                             (AR)
單硬脂酸甘油酯含量%                        ≥90.0
碘值,g/100g                                ≤4.0
游離酸(以硬脂酸計(jì))%                      ≤2.5
砷(As)%                                    ≤0.0001
重金屬(以Pb計(jì))%                          ≤0.0005 

Storage:
密封保存
用途  生化研究,人造奶油的增稠,油類和蠟等的溶劑,乳化劑,吸濕性粉末的保護(hù)劑,不透明遮光劑。氣相色譜固定液(最高使用溫度125℃,溶劑為熱乙醇),分離分析含氧化合物及揮發(fā)油。
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