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Oleic acid

Cas:
112-80-1
Molecular Structure:
MDL:
MFCD00064242
Molecular Formula:
C18H34O2CH3(CH2)7CH=CH(CH2)7COOH
Molecular Weight:
282.46
Alias:
十八烯酸,红油,顺式-9-十八烯酸,十八碳烯-9-酸
Product order:
Name Specifications Packing Price Delivery
Oleic acid 药用级 500ml RMB 184.8 Consulting service
Oleic acid 85% 500ml RMB 140.8 Consulting service
Oleic acid 85% 100ml RMB 93.5 Consulting service
Oleic acid 99% 500ml RMB 3828 Consulting service
Oleic acid 99% 100ml RMB 5346 Consulting service
Oleic acid 分析标准品 200mg RMB 481.8 Consulting service
Oleic acid 99% 25ml RMB 1721.5 Consulting service
Oleic acid AR 500ml RMB 42.9 Consulting service
Character:
无色或黄色液体,露置空气中逐渐变成棕色,能溶于醇,苯和氯仿,不溶水。工业品为黄色到红色油状液体,有猪油气味。熔点:α-型13.4℃;β-型 16.3℃,由于含有双键,在空气中长期放置能发生自氧化,出现腐败的哈喇味。油酸与硝酸作用则异构化为其反式异构体,的反油酸。
Quality Standard:
Q/(HG)SJ 521-92
项目Item                                        化学纯     分析纯
                                                 (CP)       (AR)
结晶点Freezing point,℃                     ≤ 10           10
密度(20℃)Density,g/mL                          0.8884~   0.8900~
                                                0.9084     0.9084
灼烧残渣(以硫酸盐计)Ignition residue,%       ≤ 0.1        0.05
酸值Acid value,mg/g                            190-205    195-205
碘值Lodine value,g/100g                         85-95      85-95
无机酸或游离酸Inorganic acid or free acid       合格        合格


85%:


外观Appearance                           无色或淡黄色液体
红外光谱鉴别Infrared spectrometry        和对照匹配
纯度Purity                               ≥85.0% (GC)
相对密度Specific gravity (20/20°C)      0.8850 - 0.9000
折光率Refractive index n20/D             1.4580 - 1.4610

品级Grade                                药用级  
                                        (USP,Ph, Eur. )  
脂肪酸组成composition
  fatty acids w. 1 chain > C18,         ≤4.0% (GC)  
  linoleic acid,                        ≤18.0% (GC)  
  linolenic acid,                       ≤4.0% (GC)  
  margaric acid,                        ≤4.0% (GC)  
  myristic acid,                        ≤5.0% (GC)  
  oleic acid,                           65.0-88.0% (GC)  
  palmitic acid,                        ≤16.0% (GC)  
  palmitoleic acid,                     ≤8.0% (GC)  
  stearic acid,                         ≤6.0% (GC)  
过氧化值peroxide value                  ≤10
总残留溶剂total impurities residual solvents, complies
灼烧残渣ign. residue                    ≤0.1%
酸值acid value                          195‑204  
碘值iodine value                        89‑105  


99%:

外观Appearance                           无色或淡黄色液体
红外光谱鉴别Infrared spectrometry        和对照匹配
纯度Purity                               ≥99.0% (GC)
纯度Purity                               ≥99.0% (中和滴定)
相对密度Specific gravity (20/20°C)      0.8900 - 0.8940
折光率Refractive index n20/D             1.4580 - 1.4610

Storage:
密封避光于2-8℃保存,99%储存于-20℃
用途  生化研究,气相色谱对比样品,检定氨、钙和铜,测定钙、镁和硫。在肝细胞中激活蛋白激酶C(protein kinase C)。
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