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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,紅油,順式-9-十八烯酸,十八碳烯-9-酸
Product order:
Name Specifications Packing Price Delivery
Oleic acid 藥用級(jí) 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 分析標(biāo)準(zhǔn)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:
無(wú)色或黃色液體,露置空氣中逐漸變成棕色,能溶于醇,苯和氯仿,不溶水。工業(yè)品為黃色到紅色油狀液體,有豬油氣味。熔點(diǎn):α-型13.4℃;β-型 16.3℃,由于含有雙鍵,在空氣中長(zhǎng)期放置能發(fā)生自氧化,出現(xiàn)腐敗的哈喇味。油酸與硝酸作用則異構(gòu)化為其反式異構(gòu)體,的反油酸。
Quality Standard:
Q/(HG)SJ 521-92
項(xiàng)目Item                                        化學(xué)純     分析純
                                                 (CP)       (AR)
結(jié)晶點(diǎn)Freezing point,℃                     ≤ 10           10
密度(20℃)Density,g/mL                          0.8884~   0.8900~
                                                0.9084     0.9084
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,%       ≤ 0.1        0.05
酸值A(chǔ)cid value,mg/g                            190-205    195-205
碘值Lodine value,g/100g                         85-95      85-95
無(wú)機(jī)酸或游離酸Inorganic acid or free acid       合格        合格


85%:


外觀Appearance                           無(wú)色或淡黃色液體
紅外光譜鑒別Infrared spectrometry        和對(duì)照匹配
純度Purity                               ≥85.0% (GC)
相對(duì)密度Specific gravity (20/20°C)      0.8850 - 0.9000
折光率Refractive index n20/D             1.4580 - 1.4610

品級(jí)Grade                                藥用級(jí)  
                                        (USP,Ph, Eur. )  
脂肪酸組成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)  
過(guò)氧化值peroxide value                  ≤10
總殘留溶劑total impurities residual solvents, complies
灼燒殘?jiān)黫gn. residue                    ≤0.1%
酸值acid value                          195?204  
碘值iodine value                        89?105  


99%:

外觀Appearance                           無(wú)色或淡黃色液體
紅外光譜鑒別Infrared spectrometry        和對(duì)照匹配
純度Purity                               ≥99.0% (GC)
純度Purity                               ≥99.0% (中和滴定)
相對(duì)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%儲(chǔ)存于-20℃
用途  生化研究,氣相色譜對(duì)比樣品,檢定氨、鈣和銅,測(cè)定鈣、鎂和硫。在肝細(xì)胞中激活蛋白激酶C(protein kinase C)。
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