CAS No.: | 108-30-5 |
---|---|
Formula: | C4h4o3 |
EINECS: | 203-570-0 |
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Check Item
|
Business Standard
|
Check Conclusion
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Appearance
|
White flake solid | White flake solid |
Purity
|
≥99.5%
|
99.82%
|
Melting point
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117-120ºC
|
117.6-119.5ºC
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Residue of ignition
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≤0.1%
|
0.03%
|
Heavy metal(Pb)
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≤15ppm
|
N.D |
chromaticity(APHA)
|
≤30%
|
15% |
Check Item
|
Business Standard
|
Check Conclusion
|
Appearance
|
White flake solid | White flake solid |
Purity
|
≥99%
|
99.22%
|
Melting point
|
116-120ºC
|
116.5-119.3ºC
|
Residue of ignition
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≤0.1%
|
0.03%
|
Heavy metal(Pb)
|
≤20ppm
|
N.D |
chromaticity(APHA)
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≤50%
|
35% |