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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 現(xiàn)貨
Methyl stearate 99% 5g RMB 737 現(xiàn)貨
Methyl stearate CP,40% 1kg RMB 88 現(xiàn)貨
Methyl stearate 分析標準品,>99.5% (GC) 1g RMB 429 現(xiàn)貨
Methyl stearate 色標GCS,≥99.5% (GC) 1g RMB 429 現(xiàn)貨
Methyl stearate 95% 25g RMB 88 促銷
Methyl stearate 95% 100g RMB 220 促銷
Methyl stearate 95% 500g RMB 979 現(xiàn)貨
Character:
白色固體,不溶于水,易溶于乙醇、乙醚。
沸點: 181-182 °C/4 mmHg
熔點:37-41 °C
閃點:110 °C
Quality Standard:
項目                                  化學(xué)純
                                      (CP)
外觀Appearance                        類白色至乳白色固體
紅外光譜鑒定Infrared spectrometry     和對照品匹配
熔點mp                                28-30 °C
水分Water                             <0.5 %
酸值A(chǔ)cid 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
(該產(chǎn)品為十八酸甲酯40%和十六酸甲酯60%的混合物)


項目                                   優(yōu)級純
                                       (GR)
含量assay                              ≥99% (GC)
沸點bp                                 181-182 °C(4 mm Hg)
熔點mp                                 40-42 °C
(應(yīng)儲存溫度?20°C)


項目                                    分析純    
                                        (AR)
外觀Appearance                          白色或無色結(jié)晶固體
紅外光譜鑒別Infrared spectrometry       和對照品匹配
熔點Melting point                       38°C - 42°C
純度Purity                              ≥95.0% (GC)


項目                                    色標
                                       (GCS)
含量assay                               ≥99.5% (GC)
凝固點Freezing point                    36.0 - 38.0 °C 

Storage:
根據(jù)含量保存
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