订购电话:4001650900

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:
无色透明液体,具有芳香味。能与乙醇、乙醚混溶,溶于2份水。遇三氯化铁混在一起时即呈深红色。(微分解),在沸点温度下稍有分解。 半数致死量(大鼠,经口)3.0g/kg。有刺激性
密度:1.0762
熔点:-80℃
沸点:169-170 °C/70 mmHg
折光率n20/D:1.418
闪点:67℃
Quality Standard:
项目                                      化学纯  
                                           (CP)
纯度Purity                                ≥98.0% (GC)
相对密度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+计)/(mmol/100g)         ≤4.8  

项目                                    分析纯    
                                        (AR)
外观Appearance                          无色透明液体
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度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
游离酸Free acid (CH3COOH)        <0.2 %

项目                                    优级纯    
                                        (GR)
外观Appearance                          无色透明液体
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度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
游离酸Free acid (CH3COOH)        <0.05 % 

Storage:
密封保存。
用途  用作纤维素醚的溶剂和纤维素树脂混合溶剂的成分,也用于农药、医药、染料、高分子稳定剂等有机合成中。
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