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。