L-(+)-Tartaric acid
SIAL/27506 - puriss., meets analytical specification of Ph. Eur., NF, 99.7-100.5% (calc. to the dried substance), powder
Synonym: (2R,3R)-(+)-Tartaric acid; L-Threaric acid
CAS Number: 87-69-4
Empirical Formula (Hill Notation): C4H6O6
Molecular Weight: 150.09
EC Number: 201-766-0
MDL Number: MFCD00064207
Linear Formula: HO2CCH(OH)CH(OH)CO2H
Product Type: Chemical
| anion traces | chloride (Cl-): ≤100 mg/kg |
| oxalate (as oxalic acid): ≤100 mg/kg | |
| oxalate (C2O42-): in accordance | |
| sulfate (SO42-): ≤100 mg/kg | |
| application(s) | pharmaceutical (small molecule) |
| assay | 99.7-100.5% (calc. to the dried substance) |
| autoignition temp. | 797 °F |
| 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 | |
| form | powder |
| grade | puriss. |
| ign. residue | ≤0.05% (as SO4) |
| impurities | organic volatile impurities, complies (GC) |
| residual solvents, complies | |
| ≤0.001% heavy metals (as Pb) | |
| InChI | 1S/C4H6O6/c5-1(3(7)8)2(6) |
| InChI key | FEWJPZIEWOKRBE-JCYAYHJZSA |
| loss | ≤0.2% loss on drying, 105 °C |
| mp | 168-170 °C |
| 170-172 °C (lit.) | |
| optical activity | [α]20/D +12.0 to +12.8°, c = 20% in H2O |
| quality | meets analytical specification of Ph. Eur., NF |
| Quality Level | 200 ![]() |
| SMILES string | O[C@H]([C@@H](O)C(O)=O)C( |
| solubility | water: soluble 150 g/L at 20 °C |
| suitability | complies for appearance of solution |
| vapor density | 5.18 (vs air) |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H318 |
| Precautionary statements | P280 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 41 |
| Safety Statements | 26-36/37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 302.0 °F - closed cup |
| Flash Point(C) | 150 °C - closed cup |
| Purity | 99.7-100.5% (calc. to the dried substance) |
| mp | 168-170 °C; 170-172 °C (lit.) |
| UNSPSC | 12352106 |


