Specifications
vanillinCAS: 121-33-5
Appearance: Off-white needle like crystals.
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?? CAS: 121-33-5
?? Appearance:? Off-white needle like crystals.
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Color and Appearance: | Off-white needle like crystals. |
Odor: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | Dense odor like vanilla bean. |
Melting point: | 81.0~83.0 |
Solubility(25°C):?????? | 1g sample can be clearly dissolved in 3ml of 70% alcohol or 2ml?of 95% alcohol. |
Weight-loss on Drying: | ≤0.5% |
Residue on Ignition:? ? ? | ?≤0.05% |
Purity:?? | ≥99.0%(GC) |
Arsenic Content: ? ? ? ?? | ≤3ppm |
Heavy metal content(as Pb): | ≤10ppm |
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