77367

(−)-Ethyl L-lactate

photoresist grade, ≥99.0%

• Synonym(s): (−)-Ethyl (S)-2-hydroxypropionate, (S)-(−)-2-Hydroxypropionic acid ethyl ester, L-Lactic acid ethyl ester
• Empirical Formula (Hill Notation): C₅H₁₀O₃
• CAS Number: 687-47-8
• Molecular Weight: 118.13
• Beilstein: 1720839
• EC Number: 211-694-1
• MDL number: MFCD00004518
• UNSPSC Code: 12352300
• PubChem Substance ID: 329767631
• NACRES: NA.23

Properties

• grade: photoresist grade
• Quality Level: 100
• vapor density: 4.1 (vs air)
• vapor pressure: 2 mmHg ( 20 °C); 5 mmHg ( 30 °C)
• Assay: ≥99.0% (Sum of enantiomers, GC); ≥99.0%
• form: liquid
• optical activity: [α]20/D −10.5±1°, neat
• autoignition temp.: 752 °F
• expl. lim.: 1.5 %, 100 °F
• impurities: ≤0.1% water
• evapn. residue: <0.01%
• refractive index: n20/D 1.4130 (lit.); n20/D 1.413
• bp: 154 °C (lit.)
• mp: −26 °C (lit.)
• density: 1.034 g/mL at 20 °C (lit.)
• cation traces: Ca: ≤0.01 mg/kg; Cr: ≤0.01 mg/kg; Cu: ≤0.01 mg/kg; Fe: ≤0.01 mg/kg; K: ≤0.01 mg/kg; Mg: ≤0.01 mg/kg; Mn: ≤0.01 mg/kg; Na: ≤0.03 mg/kg; Ni: ≤0.01 mg/kg; Pb: ≤0.01 mg/kg
• SMILES string: C[C@H](O)C(OCC)=O
• InChI: 1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3/t4-/m0/s1
• InChI key: LZCLXQDLBQLTDK-BYPYZUCNSA-N

Description

Application

biodegradable solvent replacement for optical and microelectronical purposes

Safety Information

• Pictograms: GHS02,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H226 - H318 - H335
• Precautionary Statements: P210 - P233 - P240 - P241 - P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 128.8 °F - closed cup
• Flash Point(C): 53.8 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves