95309

L-(+)-Tartaric acid

puriss. p.a., ACS reagent, ≥99.5%

• Synonym(s): (2R,3R)-(+)-Tartaric acid, L-Threaric acid
• Linear Formula: HO₂CCH(OH)CH(OH)CO₂H
• CAS Number: 87-69-4
• Molecular Weight: 150.09
• Beilstein/REAXYS Number: 1725147
• EC Number: 201-766-0
• MDL number: MFCD00064207
• UNSPSC Code: 12352100
• PubChem Substance ID: 329770441

Properties

• grade: ACS reagent; puriss. p.a.
• vapor density: 5.18 (vs air)
• assay: ≥99.5%
• optical activity: [α]20/D +13.5±0.5°, c = 10% in H₂O
• autoignition temp.: 797 °F
• ign. residue: ≤0.02% (as SO₄)
• loss: ≤0.1% loss on drying, 110 °C
• mp: 168-170 °C; 170-172 °C (lit.)
• solubility: water: soluble 150 g/L at 20 °C
• anion traces: chloride (Cl^-): ≤5 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤10 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: O[C@H]([C@@H](O)C(O)=O)C(O)=O
• InChI: 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
• InChI key: FEWJPZIEWOKRBE-JCYAYHJZSA-N

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318
• pcodes: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: 302.0 °F - closed cup
• flash_point_c: 150 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves