252476

Lactic acid solution

ACS reagent, ≥85%

• Synonym(s): 2-Hydroxypropionic acid solution, DL-Lactic acid solution
• Linear Formula: CH₃CH(OH)CO₂H
• CAS Number: 50-21-5
• Molecular Weight: 90.08
• Beilstein: 5238667
• MDL number: MFCD00004520
• UNSPSC Code: 12352100
• PubChem Substance ID: 24855212
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 200
• Assay: 85.0-90.0%
• concentration: ≥85%; 85.0-90.0% in H₂O
• impurities: H₂SO₄, passes test (darkened)
• ign. residue: ≤0.02%
• refractive index: n20/D 1.4251
• density: 1.209 g/mL at 25 °C
• anion traces: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.002%
• cation traces: Fe: ≤5 ppm; heavy metals: ≤5 ppm (by ICP)
• functional group: carboxylic acid; hydroxyl
• SMILES string: CC(O)C(O)=O
• InChI: 1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
• InChI key: JVTAAEKCZFNVCJ-UHFFFAOYSA-N

Description

Application

Lactic acid solution has been used in the preparation of poly(lactic acid) (PLA)/lactic acid (LA) blends to enhance the biodegradability rate of PLA.

Other Notes

Contains varying amounts of intermolecular esterification products.

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1C
• Supplementary Hazards: EUH071
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves