27506

L-(+)-Tartaric acid

puriss., meets analytical specification of Ph. Eur., NF, 99.7-100.5% (calc. to the dried substance), powder

• 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: 1725147
• EC Number: 201-766-0
• MDL number: MFCD00064207
• UNSPSC Code: 12352106
• PubChem Substance ID: 57648257
• NACRES: NA.25

Properties

• vapor density: 5.18 (vs air)
• Quality Level: 200
• grade: puriss.
• Assay: 99.7-100.5% (calc. to the dried substance)
• form: powder
• optical activity: [α]20/D +12.0 to +12.8°, c = 20% in H₂O
• autoignition temp.: 797 °F
• quality: meets analytical specification of Ph. Eur., NF
• impurities: organic volatile impurities, complies (GC); residual solvents, complies; ≤0.001% heavy metals (as Pb)
• ign. residue: ≤0.05% (as SO₄)
• loss: ≤0.2% loss on drying, 105 °C
• mp: 168-170 °C; 170-172 °C (lit.)
• solubility: water: soluble 150 g/L at 20 °C
• anion traces: chloride (Cl^-): ≤100 mg/kg; oxalate (C₂O₄^2-): in accordance; oxalate (as oxalic acid): ≤100 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: As: ≤2 mg/kg; Ca: ≤200 mg/kg; Cu: ≤10 mg/kg; Hg: ≤1 mg/kg; Pb: ≤2 mg/kg; Zn: ≤10 mg/kg
• suitability: complies for appearance of solution
• application(s): pharmaceutical (small molecule)
• 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
• Signal Word: Danger
• Hazard Statements: H318
• Precautionary Statements: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 302.0 °F - closed cup
• Flash Point(C): 150 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves