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Crosslinked polyvinlypyrrolidone / Polyvinylpolypyrrolidon |
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1、Name of Product: Vinylpyrrolidone and vinyl acetate copolymer /Copovido
CAS NO.：25249-54-1, 9003-39-8
2、Overview of performance:
W hite or cream white, free-flowing powder, hygroscopic, odorless or with characteristic smell, insoluble in water, alkali, acid and all other common solvents, swells rapidly in water but without forming a gel.
To assure the effectiveness of the medicine, tablets and capsules are required to disintegrate within a certain time, if different adding methods of the disintegrating agent are used, the different disintegrating and dissolution speeds will be achieved. It is regarded as the top disintegrating agent thanks to its excellent swelling characteristics after the absorption of moisture.
3、Technical Data:
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品名
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单位
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Type A
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Type B
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颜色
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白色或浅黄色粉末
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白色或浅黄色粉末
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水可溶物
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%
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≤1.0
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≤1.0
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pH 值 (1% 水溶液)
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5.0-8.0
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5.0-8.0
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干燥失重
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%
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≤5.0
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≤5.0
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硫酸盐灰分
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%
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≤0.1
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≤0.1
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氮含量
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%
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11.0~12.8
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11.0~12.8
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杂质A(残单)
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ppm
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≤10
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≤10
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过氧化物(以过氧化氢计)
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ppm
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≤400
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≤400
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重金属
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ppm
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≤10
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≤10
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粒度
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微米
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50~300
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0~50
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