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Merck
CN

69799

(-)-L-乳酸乙酯

greener alternative

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

别名:

(-)-(S)-2-羟基丙酸乙酯, (S)-(-)-2-羟基丙酸乙酯, L-乳酸乙酯

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关于此项目

经验公式（希尔记法）:
C5H10O3
化学文摘社编号:
687-47-8
分子量:
118.13
UNSPSC Code:
12352108
NACRES:
NA.22
PubChem Substance ID:
329761971
EC Number:
211-694-1
Beilstein/REAXYS Number:
1720839
MDL number:
MFCD00004518

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产品名称

(-)-L-乳酸乙酯, purum, ≥98.0% (sum of enantiomers, GC)

InChI key

LZCLXQDLBQLTDK-BYPYZUCNSA-N

InChI

1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3/t4-/m0/s1

SMILES string

C[C@H](O)C(OCC)=O

vapor density

4.1 (vs air)

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

Quality Level

100

greener alternative product characteristics

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

sustainability

Greener Alternative Product

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

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相关类别

Other Notes

合成多种手性结构单元，例如 (S)-1,2-丙二醇和 (S)-环氧丙烷 的重要原料；O-保护和还原生成醛

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.

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Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - STOT SE 3

target_organs

Respiratory system

存储类别

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

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN6857
BCCL6044
BCCM2476
BCCJ8646
BCCJ7536

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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)
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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