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(2R,3R)-2,3-dihydroxybutanedioic acid DL-Tartaric acid CAS:133-37-9
Name: (2R,3R)-2,3-dihydroxybutanedioic acid
CAS:133-37-9
MF: C4H6O6
Item |
Specs( Anhydrous) |
Specs (Monohydrate) |
Appearance |
White crystalline powder |
White crystalline powder |
Identification |
Conform with standard |
Conform with standard |
Content: |
99.5% min |
99.5% min |
Sulfates (SO42-): |
0.04% max |
0.04% max |
Heavy Metals (as Pb): |
10ppm max |
10ppm max |
Arsenic (as As): |
2ppm max |
2ppm max |
Loss on Drying: |
0.5% max |
11.5% max |
Residue on Ignition: |
0.1% max |
0.1% max |
Oxidable matter |
pass |
pass |
Melting Point |
200-206℃ |
200-206℃ |
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