CAS No.: | 501-30-4 |
---|---|
Formula: | C6h6o4 |
EINECS: | 207-922-4 |
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Grade
|
Cosmetic Grade
|
Other names
|
5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
|
CAS No.
|
501-30-4
|
EINECS No.
|
207-922-4
|
Shelf Life
|
2 Years
|
Appearance
|
Crystalline powder
|
Package
|
25KG/Drum
|
Content
|
99.0%
|
Item
|
Specification
|
Results
|
|
Appearance
|
White or off white crystal
|
White or off white crystal
|
|
Assay
|
99%Min
|
99.6%
|
|
Melting range
|
152-156
|
154.3-155.1
|
|
Loss on drying
|
≤0.5%
|
0.14%
|
|
Lgnition residue
|
≤0.1%
|
0.07%
|
|
Chloride
|
≤50ppm
|
20ppm
|
|
Heavy metal
|
≤3ppm
|
0.1ppm
|
|
Arsenic
|
≤1ppm
|
0.1ppm
|
|
Ferrum
|
≤10ppm
|
10ppm
|
|
Conclusion
|
Conformance
|
|