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Methyl stearate

Cas:
112-61-8
Molecular Structure:
MDL:
MFCD00009005
Molecular Formula:
C19H38O2; CH3(CH2)16CO2CH3
Molecular Weight:
298.50
Alias:
Methyl octadecanoate Stearic acid methyl ester
Product order:
Name Specifications Packing Price Delivery
Methyl stearate 99% 1g RMB 209 现货
Methyl stearate 99% 5g RMB 737 现货
Methyl stearate CP,40% 1kg RMB 88 现货
Methyl stearate 分析标准品,>99.5% (GC) 1g RMB 429 现货
Methyl stearate 色标GCS,≥99.5% (GC) 1g RMB 429 现货
Methyl stearate 95% 25g RMB 88 促销
Methyl stearate 95% 100g RMB 220 促销
Methyl stearate 95% 500g RMB 979 现货
Character:
白色固体,不溶于水,易溶于乙醇、乙醚。
沸点: 181-182 °C/4 mmHg
熔点:37-41 °C
闪点:110 °C
Quality Standard:
项目                                  化学纯
                                      (CP)
外观Appearance                        类白色至乳白色固体
红外光谱鉴定Infrared spectrometry     和对照品匹配
熔点mp                                28-30 °C
水分Water                             <0.5 %
酸值Acid value                        <1 mg KOH/g
碘值Iodine value                      <3.5 g I2/100 g
皂化值Saponification value            190 - 200 mg KOH/g
(该产品为十八酸甲酯40%和十六酸甲酯60%的混合物)


项目                                   优级纯
                                       (GR)
含量assay                              ≥99% (GC)
沸点bp                                 181-182 °C(4 mm Hg)
熔点mp                                 40-42 °C
(应储存温度−20°C)


项目                                    分析纯    
                                        (AR)
外观Appearance                          白色或无色结晶固体
红外光谱鉴别Infrared spectrometry       和对照品匹配
熔点Melting point                       38°C - 42°C
纯度Purity                              ≥95.0% (GC)


项目                                    色标
                                       (GCS)
含量assay                               ≥99.5% (GC)
凝固点Freezing point                    36.0 - 38.0 °C 

Storage:
根据含量保存
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