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Methyl acetoacetate

Cas:
105-45-3
Molecular Structure:
MDL:
MFCD00008784
Molecular Formula:
C5H8O3; CH3COCH2COOCH3
Molecular Weight:
116.12
Alias:
β-丁酮酸甲酯,乙酰醋酸甲酯,丁酮酸甲酯,3-丁酮酸甲酯 3-Oxobutanoic acid methyl ester Acetoacetic acid methyl ester MAA Methyl 3-Oxobutyrate
Product order:
Name Specifications Packing Price Delivery
Methyl acetoacetate AR,99% 5Kg RMB 3063.5 Consulting service
Methyl acetoacetate GR,99.5% 500g RMB 198 Consulting service
Methyl acetoacetate CP,98% 500g RMB 93.5 Consulting service
Methyl acetoacetate GCS, ≥99.5% (GC) 5ml RMB 57.2 Consulting service
Methyl acetoacetate AR,99% 500g RMB 132 Consulting service
Character:
無(wú)色透明液體,具有芳香味。能與乙醇、乙醚混溶,溶于2份水。遇三氯化鐵混在一起時(shí)即呈深紅色。(微分解),在沸點(diǎn)溫度下稍有分解。 半數(shù)致死量(大鼠,經(jīng)口)3.0g/kg。有刺激性
密度:1.0762
熔點(diǎn):-80℃
沸點(diǎn):169-170 °C/70 mmHg
折光率n20/D:1.418
閃點(diǎn):67℃
Quality Standard:
項(xiàng)目                                      化學(xué)純  
                                           (CP)
純度Purity                                ≥98.0% (GC)
相對(duì)密度Specific gravity (20/20°C)       1.0701~1.0761
折光率Refractive index n20/D              1.4195~1.4215  
酸度Acidity(以H+計(jì))/(mmol/100g)         ≤4.8  

項(xiàng)目                                    分析純    
                                        (AR)
外觀Appearance                          無(wú)色透明液體
紅外光譜鑒別Infrared spectrometry       和對(duì)照品匹配
純度Purity                              ≥99.0% (GC)
比重Specific gravity (20/20)      1.0770 - 1.0810  
折光率Refractive index n20/D      1.4160 - 1.4200
游離酸Free acid (CH3COOH)        <0.2 %

項(xiàng)目                                    優(yōu)級(jí)純    
                                        (GR)
外觀Appearance                          無(wú)色透明液體
紅外光譜鑒別Infrared spectrometry       和對(duì)照品匹配
純度Purity                              ≥99.5% (GC)
比重Specific gravity (20/20)       1.0770~1.0810  
折光率Refractive index n20/D       1.4165~1.4187
游離酸Free acid (CH3COOH)        <0.05 % 

Storage:
密封保存。
用途  用作纖維素醚的溶劑和纖維素樹(shù)脂混合溶劑的成分,也用于農(nóng)藥、醫(yī)藥、染料、高分子穩(wěn)定劑等有機(jī)合成中。
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