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
319902
Ethyl acetate
ACS reagent, ≥99.5%
Synonym(s):
EtOAc
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About This Item
Recommended Products
grade
ACS reagent
Quality Level
agency
suitable for EPA ACB B21-02
suitable for EPA ACB B23-05b
vapor density
3 (20 °C, vs air)
vapor pressure
73 mmHg ( 20 °C)
assay
≥99.5%
form
liquid
autoignition temp.
801 °F
expl. lim.
2.2-11.5 %, 38 °F
dilution
(for analytical testing)
impurities
H2SO4, passes test (darkened)
≤0.0009 meq/g Titr. acid
≤0.200% water
evapn. residue
≤0.0030%
color
APHA: ≤10
refractive index
n20/D 1.3720 (lit.)
bp
76.5-77.5 °C (lit.)
mp
−84 °C (lit.)
density
0.902 g/mL at 25 °C (lit.)
format
neat
SMILES string
CCOC(C)=O
InChI
1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
InChI key
XEKOWRVHYACXOJ-UHFFFAOYSA-N
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General description
Ethyl acetate ACS grade solvent used in:
- Routine chemical synthesis
- Drying & purification
- Critical labware cleaning
Application
related product
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Storage Class
3 - Flammable liquids
wgk_germany
WGK 1
flash_point_f
24.8 °F - closed cup
flash_point_c
-4 °C - closed cup
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The 4L M-Bottle provides safe handling of solvents due to an innovative solvent bottle design with sealing technology to eliminate leaks and reduce risks in solvent dispensing.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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What methods or procedures should be followed to perform the measurements of 'Residue on Evaporation' and 'Titratable Acid', as outlined in the COA for product 319902?
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For an MQ 200 quality level product, it is typically not possible to share test methods. However, in the case of an ACS grade product, one can refer directly to the available ACS monograph.
The monograph provides specific instructions for conducting the residue on evaporation test, which involves evaporating 40.0 g (45.0 mL) of the sample to dryness in a tared, preconditioned dish on a hot plate (~100 °C). Subsequently, the residue is dried at 105 °C for a duration of 30 minutes.
Regarding the titratable acid test, the monograph advises adding 0.10 mL of phenolphthalein indicator solution to 10 mL of ethyl alcohol and neutralizing it with 0.01 N sodium hydroxide. Then, 9.0 g (10.0 mL) of the sample should be added, gently mixed, and titrated with 0.01 N sodium hydroxide until the pink color persists for 15 seconds. The requirement is that the usage of sodium hydroxide should not exceed 0.80 mL.Helpful?
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