L(+)-酒石酸

L(+)-酒石酸, puriss. p.a., reag. ISO, 99.5-101.0% (calc. to the dried substance)

200

Ph. Eur., USP/NF, reag. ISO

5.18 (vs air)

puriss. p.a.

99.5-101.0% (calc. to the dried substance)

powder or crystals

[α]20/D +12.0 to +12.8°, c = 20% in H₂O

797 °F

≤0.0005% heavy metals (as Pb)

≤0.1% (as SO₄)

≤0.1% loss on drying, 105 °C

170-172 °C (lit.)

chloride (Cl^-): ≤5 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg, sulfate (SO₄^2-): ≤150 mg/kg

Ca: ≤20 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤5 mg/kg

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