订购电话:4001650900

Arachidic acid

Cas:
506-30-9
Molecular Structure:
MDL:
MFCD00002755
Molecular Formula:
C20H40O2; CH3(CH2)18COOH
Molecular Weight:
312.53
Alias:
正二十酸,正构廿烷酸,二十烷酸,正构廿酸,正构廿烷酸 Arachic acid Arachidinic acid Eicosanoic acid Icosanoic Acid
Product order:
Name Specifications Packing Price Delivery
Arachidic acid 99% 1g RMB 209 Consulting service
Arachidic acid 99% 5g RMB 649 Consulting service
Arachidic acid 99% 25g RMB 1837 Consulting service
Arachidic acid 分析标准品 100mg RMB 517 Consulting service
Arachidic acid 80% 500g RMB 319 Consulting service
Arachidic acid 80% 100g  RMB 77 Consulting service
Arachidic acid 98% 5g RMB 209 Consulting service
Arachidic acid 98% 25g RMB 759 Consulting service
Character:
有光泽的白色叶状晶体。溶于苯、乙醚、氯仿和热的无水乙醇 ,稍溶于冷乙醇,几乎不溶于水。
熔点:76℃
沸点:328℃
密度:0.8240
折光率:1.4250
   存在于某些油脂中,含量约1%或更低,花生油含有2.4%的花生酸。花生酸除可从花生油水解分离外,也可由石蜡氧化生成的脂肪酸混合物中分离取得。 
Quality Standard:
99%:

外观Appearance                          白色闪光粉末或薄片
红外光谱鉴别Infrared spectrometry       和对照品匹配
熔点Melting point                       75°C - 78°C
纯度Purity                              ≥99.0% (GC)
醇溶性实验Solubility in hot Methanol    溶液透明


80%:


外观Appearance                          白色片状固体
C20:0含量Assay                          ≥80%
酸 值Acid value(mg KOH/g)               170-190
碘 值iodine value(gI/100g               ≤2
皂化值Saponification value(mg KOH/g)    170-191
色泽Color scale(Hazen)                  ≤100
冻点freezing point (℃)                 65-75

Storage:
密封阴凉干燥保存。
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