Product Description
CAS No.: 9003-39-8
Molecular formula: (C6H9NO)n
Purity: 98%
Molecular Weight: 591.69
Fuction: produced in Pharmaceutical field: tablet, granule
Item
Standard
Result
Appearance
White or light yellow powder
Complies
Identification
A. An orange -yellow precipitate is formed
Complies
B.A pale blue precipitate is formed
Complies
C.A deep red colour is produced
Complies
PH(5% in water)
3.0~7.0
3.80
Water
≤5.0%
2.03%
Residue on ignition
≤0.1%
0.042%
Lead
≤ 10ppm
<10ppm
Limit of Aldehydes
≤0.05%
0.036%
Limit of hydrazine
≤ 1ppm
<1ppm
Vinylpyrrolidone
≤0.2%
0.01%
K-value(1% aqueous solution)
27.0~32.4
30.14
Nitrogen Content(oba)
11.2~12.8%
12.09%
TAMC
≤ 1000 cfu/g
<1000 cfu/g
TYMC
≤ 100 cfu/g
<100 cfu/g
Staphylococcus Aureus
Negative in 1g
Negative
Salmonella
Negative in 1g
Negative
Pseudomonas Aeruginosa
Negative in 1g
Negative
E.Coli
Negative in 1g
Negative
Conclusion: The product complies with USP 32 standard
