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Palmitic acid

Cas:
57-10-3
Molecular Structure:
MDL:
MFCD00002747
Molecular Formula:
C16H32O2
Molecular Weight:
256.43
Alias:
棕櫚酸,鯨蠟酸,正十六烷酸,軟脂酸,鯨乙酸,十六烷酸 Hexadecanoic acid
Product order:
Name Specifications Packing Price Delivery
Palmitic acid GCS 5g RMB 176 現(xiàn)貨
Palmitic acid AR 500g RMB 33 現(xiàn)貨
Palmitic acid CP 500g RMB 22 現(xiàn)貨
Palmitic acid 分析標準品,>99%(GC) 250mg RMB 209 現(xiàn)貨
Palmitic acid 97% 500g RMB 88 現(xiàn)貨
Palmitic acid 97% 2.5kg RMB 429 現(xiàn)貨
Palmitic acid 分析標準品,>99%(GC) 5g RMB 869 現(xiàn)貨
Palmitic acid 99% 5g RMB 167.2 促銷
Palmitic acid 99% 25g RMB 695.2 促銷
Palmitic acid 99% 100g RMB 2068 促銷
Palmitic acid AR 25kg RMB 1265 現(xiàn)貨
Palmitic acid 97% 25kg RMB 3267 現(xiàn)貨
Character:
白色鱗狀或針狀結(jié)晶,易溶于熱醇、醚、丙醇、丙酮、醋酸、苯和氯仿,微溶于冷醇和石油醚,不溶于水,在100ml水中只溶解0.00072g。半數(shù)致死量(小鼠,靜脈)57mg/kg。有刺激性。
密度:0.853
熔點:62℃
沸點:271.5 °C/100 mmHg
閃點:206℃
折光率n20/D:1.4273
Quality Standard:
項目                                          分析純  
                                               (AR)
碘值iodine value(I2g/100g)                   ≤1.0  
熔點Melting point,℃                          62.5~64.0  
酸值A(chǔ)cid value(mg KOH/g)                      218.0~220.0  
鐵Iron(Fe)                                    ≤0.0002%  
無機酸mineral acidity                         合格  
中性油及不皂化物Neutral oils and unsap.matter 合格  
灼燒殘渣Residue ignition                      ≤0.05%  


項目                                          化學純  
                                               (CP)
碘值iodine value(I2g/100g)                   ≤2.0  
熔點Melting point,℃                          62.0~64.0  
酸值A(chǔ)cid value(mg KOH/g)                      214.0~220.0  
鐵Iron(Fe)                                    ≤0.0003%  
無機酸mineral acidity                         合格  
中性油及不皂化物Neutral oils and unsap.matter 合格  
灼燒殘渣Residue ignition                      ≤0.1%  


97%:

外觀Appearance                                白色或類白色薄片
純度Purity                                    ≥97.0% (GC)
酸值A(chǔ)cid value,mgKOH/g                       217-221
碘值Iodine value %l2                          ≤0.5
熔點Melting point                             61-64°C
皂化值Saponification value,mgKOH/g           217-223
水分Water                                     ≤0.2%
未皂化值unsap.matter                          ≤1.0%
色澤Colour(Lovibond 51/4):R                ≤0.2
                             Y                ≤1


99%:


外觀Appearance                          白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms to Structure
純度Purity                              ≥99.0% (GC)  
熔點Melting point                       61°C - 64°C
氯仿溶解試驗solubility in Chloroform    Clear ,100 mg/mL

Storage:
密封保存。
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