供應(yīng)正辛酸
正辛酸    

n-Octanoic    acid    

Cas號:124-07-2                MDL:        --MFCD00004429        

Beilstein        1747180        EINECS:        --204-677-5        

分子式    C8H16O2；    CH3(CH2)6COOH    

分子量    144.21    

別名正    辛酸;正辛酸鋰;辛酸;羊脂酸;正辛酸(羊脂酸);辛酸

Caprylic    acid    

分子結(jié)構(gòu)式        

性狀    無色油狀液體，略有不愉快氣味。溶于醇和醚，水中溶解度:0.68    g/L    (20°C)。

密度:        0.91        

熔點:        15-17    °C    

沸點:        238    °C    

閃點:        110    °C    

折光率nD20:        1.428            

                

質(zhì)量標(biāo)準(zhǔn)            

        項目                                                                                                                                                分析純                    

                                                                                                                                                                (AR)    

純度Purity                                                                                                                        ≥99.0%    (GC)    

酸值A(chǔ)cid    value，mgKOH/g                                                                    385-390

碘值Iodine    value                                                                                                

<0.5    g    I2/100    g    >熔點Melting    point                                                                                            14-17°C    

皂化值Saponification    value，mgKOH/g                    385-392    

水分Water                                                                                                                            ≤0.2%    

未皂化值unsap.matter                                                                                ≤1.0%    

色澤Colour（Lovibond    5%）：　R                                        ≤0.2    

                                                                                                                    Y                                        ≤1    

    

項目                                                                                                                                                化學(xué)純                    

                                                                                                                                                                    (CP)    

含量Assay                                                                                                                            ≥98.0%        

結(jié)晶點Freeging    point，℃                                                                ≥9.0        

相對密度Specific    gravity    (20/20°C)                    0.905～0.915        

折光率Refractive    index    n20/D                                                1.427～1.429        

灼燒殘渣Residue    ignition                                                                ≤0.05%                

貯存    密封陰涼干燥保存。    

用途    氣相色譜分析標(biāo)準(zhǔn)。防腐劑。殺菌劑。香料、染料、增塑劑、潤滑劑的制造。    

聯(lián)合國編號    3265