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Guanidine carbonate

Structural formula:[HN=C(NH2)2]2•H2CO3

Molecular formula:C2N6H10•H2CO3

Molecular weight:180.2

Standard:Industry-grade standard and officinal-grade standard?

Item Technical index
Industry grade Officinal grade
Appearance white crystal white powder
Assay≥ 99% 99.5%
Water solubility of 20% solution colorless transparent colorless transparent
Moisture≤ 0.2% 0.2%
Ash content≤ 0.4% 0.05%
PH value(4% 25°C) 11.4±0.4 11.4±0.4
Heavy metal(pb) 10 PPM MAX 10 PPM MAX
 
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