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E34102

Sigma-Aldrich

(−)-Ethyl L-Lactat

98%

Synonym(e):

(−)-Ethyl-L-lactat, (S)-(−)-2-Hydroxy-propionsäure-ethylester

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5 G
24,08 €
100 G
37,40 €
500 G
47,60 €
2.5 KG
167,00 €

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5 G
24,08 €
100 G
37,40 €
500 G
47,60 €
2.5 KG
167,00 €

About This Item

Empirische Formel (Hill-System):
C5H10O3
CAS-Nummer:
Molekulargewicht:
118.13
Beilstein:
1720839
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352108
PubChem Substanz-ID:
NACRES:
NA.22

24,08 €

Listenpreis34,40 €Sparen Sie 30%

Versandbereit am22. April 2025Details


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Dampfdichte

4.1 (vs air)

Qualitätsniveau

Dampfdruck

2 mmHg ( 20 °C)
5 mmHg ( 30 °C)

Assay

98%

Form

liquid

Optische Aktivität

[α]14/D −10°, neat

Selbstzündungstemp.

752 °F

Expl.-Gr.

1.5 %, 100 °F

Brechungsindex

n20/D 1.4130 (lit.)

pH-Wert

4 (20 °C, 50 g/L)

bp

154 °C (lit.)

mp (Schmelzpunkt)

−26 °C (lit.)

Dichte

1.034 g/mL at 20 °C (lit.)
1.042 g/mL at 25 °C

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

InChIKey

LZCLXQDLBQLTDK-BYPYZUCNSA-N

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Allgemeine Beschreibung

Ethyl lactate is an economically viable green solvent used in organic synthesis. It is generally employed in organic reactions like multi-component reactions, cycloaddition reaction, asymmetric induction, photochemical synthesis, and ligand-free coupling reactions, etc.[1][2]

Anwendung

(−)-Ethyl L-lactate can be used in the preparation of:
  • (R)-(+)-2-methyloxirane.[3]
  • (S)-2-((tert-Butyldimethylsilyl)oxy)propanal, a key intermediate for the synthesis of maltepolides.[4]

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

128.8 °F - closed cup

Flammpunkt (°C)

53.8 °C - closed cup

Persönliche Schutzausrüstung

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


Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

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A facile approach for the synthesis of C13-C24 fragments of maltepolides A, C and D
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Ethyl lactate as a tunable solvent for the synthesis of aryl aldimines
Bennett J, et al.
Green Chemistry, 11(2), 166-168 (2009)
Ethyl lactate as a green solvent: a promising bio-compatible media for organic synthesis
Paul S, et al.
Current Green Chemistry, 3(1), 111-118 (2016)
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Fragen

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 Antwort
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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