199257

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199257

Sigma

 

L-(+)-Lactic acid solution

in H2O, ≥85%

Synonym:(S)-(+)-Lactic acid, (S)-2-Hydroxypropionic acid
CAS Number:79-33-4
Linear Formula:CH3CH(OH)CO2H
Molecular Weight:90.08
Beilstein Registry Number:1720251
MDL number:MFCD00064266
PubChem Substance ID:24851901

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Description

Other NotesMost salts of L-(+)-lactic acid are levorotatory, hence the negative rotation in NaOH solution.
 Contains varying amounts of intermolecular esterification products
Packaging1 kg in poly btl
 250 g in poly btl
 5 g in glass btl

Properties

assay≥85%
optical activity[α]20/D −13.5°, c = 2.5 in 1.5 M NaOH
concentration in H2O
refractive indexn20/D 1.427
density1.206 g/mL at 25 °C

Safety

Hazard CodesXi
Risk Statements38-41
Safety Statements26-39
WGK Germany1
Flash Point(F)235 °F
Flash Point(C)113 °C

References

MerckMerck 13,5352
BeilsteinBeil. 3,IV,633
FieserFieser 15,181
referenceAldrich MSDS 1, 1131:B / Corp MSDS 1 (1), 2061:A / FT-IR 1 (1), 517:D / FT-IR 2 (1), 805:D / IR-Spectra (2), 273:G / RegBook 1 (1), 565:F / Structure Index 1, 80:B:8 / Vapor Phase 3, 595:A