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69799

(−)-Ethyl L-lactate

Name: (−)-Ethyl <SC>L</SC>-lactate
Brand: SIAL

purum, ≥98.0% (sum of enantiomers, GC)

Synonym(s):

(−)-Ethyl (S)-2-hydroxypropionate, (S)-(−)-2-Hydroxypropionic acid ethyl ester, L-Lactic acid ethyl ester

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About This Item

Empirical Formula (Hill Notation):

C₅H₁₀O₃

CAS Number:

687-47-8

Molecular Weight:

118.13

UNSPSC Code:

12352108

NACRES:

NA.22

PubChem Substance ID:

329761971

EC Number:

211-694-1

Beilstein/REAXYS Number:

1720839

MDL number:

MFCD00004518

Assay:

≥98.0% (sum of enantiomers, GC)

Form:

liquid

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vapor density

4.1 (vs air)

Quality Level

100

vapor pressure

2 mmHg ( 20 °C), 5 mmHg ( 30 °C)

grade

purum

assay

≥98.0% (sum of enantiomers, GC)

form

liquid

optical purity

enantiomeric excess: ≥97.5:2.5

autoignition temp.

752 °F

expl. lim.

1.5 %, 100 °F

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

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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.)

functional group

ester, hydroxyl

greener alternative category

Aligned

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

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Related Categories

Catalysts

Chiral Catalysts & Ligands

Greener Alternative Products

Chemistry & Biochemicals

Features and Benefits

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is a safer and more sustainable alternative to ethyl acetate and acetone. It is an ester of natural L-lactic acid, which is produced by fermentation of sugar and thus aligns with "Safer Solvents and Auxiliaries" and "Use of Renewable Feedstocks". Click here for more information.

Other Notes

Important starting material for the synthesis of many chiral building blocks, e.g. (S)-1,2-propanediol and (S)-propylene oxide; O-Protection and reduction to the aldehyde

pictograms

GHS02,GHS05,GHS07

signalword

Danger

hcodes

H226,H318,H335

pcodes

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

3 - Flammable liquids

wgk

WGK 1

flash_point_f

128.8 °F - closed cup

flash_point_c

53.8 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品

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L. Banfi et al.

The Journal of Organic Chemistry, 49, 3784-3784 (1984)

S.D. Burke et al.

Tetrahedron Letters, 28, 4143-4143 (1987)

J. Gombos et al.

Chemische Berichte, 109, 2645-2645 (1976)

B. Seuring et al.

Helvetica Chimica Acta, 60, 1175-1175 (1977)

Glial Metabolic Rewiring Promotes Axon Regeneration and Functional Recovery in the Central Nervous System.

Feng Li et al.

Cell metabolism, 32(5), 767-785 (2020-09-18)

Axons in the mature central nervous system (CNS) fail to regenerate after axotomy, partly due to the inhibitory environment constituted by reactive glial cells producing astrocytic scars, chondroitin sulfate proteoglycans, and myelin debris. We investigated this inhibitory milieu, showing that

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Global Trade Item Number

SKU	GTIN
69799-250ML	04061832793986
69799-1L	04061837642081

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