251380
ACS reagent
5.18 (vs air)
≥99.5%
crystalline powder
crystals
[α]20/D +12.4°, c = 20 in H2O
ee: 99% (GLC)
797 °F
≤0.002% S compounds
≤0.005% insolubles
≤0.02%
170-172 °C (lit.)
chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test
phosphate (PO43-): ≤0.001%
Fe: ≤5 ppm
heavy metals (as Pb): ≤5 ppm
O[C@H]([C@@H](O)C(O)=O)C(O)=O
1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1
FEWJPZIEWOKRBE-JCYAYHJZSA-N
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This Item | 41447 | 33801 | T109 |
---|---|---|---|
assay ≥99.5% | assay - | assay 99.5-101.0% (calc. to the dried substance) | assay ≥99.5% |
form crystalline powder, crystals | form - | form powder or crystals | form granular, powder or crystals |
optical activity [α]20/D +12.4°, c = 20 in H2O | optical activity - | optical activity [α]20/D +12.0 to +12.8°, c = 20% in H2O | optical activity [α]20/D +13.5±0.5°, c = 10% in H2O |
mp 170-172 °C (lit.) | mp 170-172 °C (lit.) | mp 170-172 °C (lit.) | mp 170-172 °C (lit.) |
cation traces Fe: ≤5 ppm, heavy metals (as Pb): ≤5 ppm | cation traces - | cation traces Ca: ≤20 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤5 mg/kg | cation traces - |
Quality Level 200 | Quality Level 300 | Quality Level 200 | Quality Level 200 |
Danger
Eye Dam. 1
11 - Combustible Solids
WGK 1
302.0 °F - closed cup
150 °C - closed cup
dust mask type N95 (US), Eyeshields, Gloves
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