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delta-Gluconolactone Glucono-δ-lactone USP26 FCCIV 90-80-2
English Name: | delta-Gluconolactone |
English synonyms: | delta-Gluconolactone |
CAS: | 90-80-2 |
Molecular formula: | C6H10O6 |
Molecular weight: | 178.14 |
EINECS | 202-016-5 |
melting point | 160 °C (dec.)(lit.) |
ITEM |
STANDARD |
RESULTS |
Description |
white crystalline powder |
Passed |
Identification |
Positive |
Positive |
m.p. |
170~176°C |
171.2~175°C |
specific rotation |
+18.0~20.0. |
+18.6. |
Loss on drying |
≤0.5% |
0.18% |
Residue on ignition |
≤0.1% |
0.04% |
Heavy metals |
≤10ppm |
less than 10ppm |
Microbiological purity |
Confirm to the test |
conforms |
Assay |
98.5~102.0% |
99.9% |
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