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/418/501/product-dating-information-06-25-mk.pdf
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E34102
(−)-Ethyl L-Lactat
98%
Umweltfreundlichere Alternative
Synonym(e):
(−)-Ethyl-L-lactat, (S)-(−)-2-Hydroxy-propionsäure-ethylester
Größe auswählen
| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
5 g | Warenkorb auf Verfügbarkeit prüfen | € 36,00 |
100 g | Warenkorb auf Verfügbarkeit prüfen | € 39,50 |
500 g | Warenkorb auf Verfügbarkeit prüfen | € 59,00 |
2.5 kg | Warenkorb auf Verfügbarkeit prüfen | € 174,00 |
Über diesen Artikel
vapor density
4.1 (vs air)
Quality Segment
vapor pressure
2 mmHg ( 20 °C), 5 mmHg ( 30 °C)
assay
98%
form
liquid
optical activity
[α]14/D −10°, neat
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
Greener Alternative Product
refractive index
n20/D 1.4130 (lit.)
pH
4 (20 °C, 50 g/L)
bp
154 °C (lit.)
mp
−26 °C (lit.)
density
1.034 g/mL at 20 °C (lit.), 1.042 g/mL at 25 °C
greener alternative category
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
General description
Application
- (R)-(+)-2-methyloxirane.
- (S)-2-((tert-Butyldimethylsilyl)oxy)propanal, a key intermediate for the synthesis of maltepolides.
Features and Benefits
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description 98% | description ≥99.0% | description purum, ≥98.0% (sum of enantiomers, GC) | description 98%, optical purity ee: 97% (GLC) |
| assay 98% | assay ≥99.0% (Sum of enantiomers, GC) | assay ≥98.0% (sum of enantiomers, GC) | assay 98% |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| form liquid | form liquid | form liquid | form liquid |
| pH 4 (20 °C, 50 g/L) | pH - | pH - | pH - |
| bp 154 °C (lit.) | bp 154 °C (lit.) | bp 154 °C (lit.) | bp 144-145 °C (lit.) |
| mp −26 °C (lit.) | mp −26 °C (lit.) | mp −26 °C (lit.) | mp - |
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Explore all of our products under (−)-Ethyl L-Lactat
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3 - STOT SE 3
target_organs
Respiratory system
Lagerklasse
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
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
687-47-8
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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