Details:
Product name: Microcrystalline cellulose
CAS NO.: 9004-34-6
Main uses:
Microcrystalline cellulose is widley used in pharmaceutic preparation.
Quality standard
Testing item
|
Testing requirement
|
appearance
|
white or almost white powder, odorless, tasteless
|
identification
|
meet the specification
|
degree of polymerization
|
≤350
|
fineness, %
|
60 mesh residue on sieve≤1
200 mesh residue on sieve≤30
|
grain size D50, μm
|
40-60 |
PH
|
5.0~7.5
|
chloride, %
|
≤0.03
|
water solubles, %
|
≤0.25
|
specific conductance, us/cm
|
≤75
|
residue on ignition, %
|
≤0.10
|
loss on drying, %
|
≤7.0
|
ether dissolved substance, %
|
≤0.05
|
heavy metal, ppm
|
≤10
|
microbial limit
|
|
bacteria,cfu/g
|
≤1000
|
mould,cfu/g
|
≤100
|
pathogenic bacterium
|
not detectable
|
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