Hydroxypropyl cellulose
        
        Molecular Structure:
 
        MDL:
--MFCD00132688
        Molecular Formula:
        Molecular Weight:
        Alias:
羟丙基纤维,2-羟丙基醚纤维素
L-HPC
2-hydroxypropyl ether
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Hydroxypropyl cellulose | 低取代L-HPC(没粘度) | 25G | RMB 104.5 | Consulting service | 
          
            | Hydroxypropyl cellulose | 低取代L-HPC(没粘度) | 100G | RMB 165 | Consulting service | 
          
            | Hydroxypropyl cellulose | 低取代L-HPC(没粘度) | 500G | RMB 330 | Consulting service | 
          
            | Hydroxypropyl cellulose | 低取代L-HPC(没粘度) | 1000G | RMB 550 | Consulting service | 
          
            | Hydroxypropyl cellulose | 高取代H-PMC(20万粘度) | 25G | RMB 261.5 | Consulting service | 
          
            | Hydroxypropyl cellulose | 高取代H-PMC(20万粘度) | 100G | RMB 412.5 | Consulting service | 
          
            | Hydroxypropyl cellulose | 高取代H-PMC(20万粘度) | 500G | RMB 825 | Consulting service | 
          
            | Hydroxypropyl cellulose | 高取代H-PMC(20万粘度) | 1000G | RMB 1375 | Consulting service | 
          
            | Hydroxypropyl cellulose | M.W. 100,000 | 500g | RMB 1936 | Consulting service | 
          
            | Hydroxypropyl cellulose | M.W. 100,000 | 100g | RMB 968 | Consulting service | 
          
            | Hydroxypropyl cellulose | M.W. 100,000 | 25g | RMB 418 | Consulting service | 
        
         
        Character:
白色或稍带黄色或灰色的颗粒或纤维性粉末。无臭无味,可燃,具热塑性。在水中溶胀成透明至乳白色粘性胶体溶液。溶于乙醇,不溶于乙醚,高取代度的也不溶于醇。高于38℃时不溶于水。
        Quality Standard:
	 
  	平均分子量M.W.                          100,000
外观Appearance                          白色至浅乳白色颗粒或结晶粉末
红外光谱鉴定Infrared spectrometry       和对照品匹配
干燥损失Loss on drying                  <5 % (105°C)
重金属Heavy metals (as Pb)              <20 ppm
硫酸盐灰分Sulfated ash                  <0.5 %
粘度Viscosity                           75 - 150 m.Pas
                                        (5% 透明溶液)(Brookfield 粘度计设定: 30 rpm, spindle no.1)
pH                                       5 - 8.5 (1% 溶液)
砷As measure                            < 3 ppm
铅Pb measure                            < 10 ppm
        Storage:
用途 	乳化剂,被膜剂,保护性胶体,稳定剂,悬浊剂,增稠剂。在日本,70%用于医药,作片剂粘合剂、薄膜包衣等。