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
539996
Acetic anhydride
99.5%
Synonym(s):
Acetanhydride, Acetic acid anhydride, Acetyl acetate, Acetyl anhydride, Ethanoic anhydride
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 g | Check Cart for Availability | $44.70 |
1 kg | Check Cart for Availability | $108.00 |
4 kg | Check Cart for Availability | $224.00 |
18 kg | Check Cart for Availability | $613.00 |
About This Item
$44.70
vapor density
3.5 (vs air)
Quality Segment
vapor pressure
10 mmHg ( 36 °C), 4 mmHg ( 20 °C)
assay
99.5%
autoignition temp.
629 °F
expl. lim.
10.3 %
refractive index
n20/D 1.390 (lit.)
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
solubility
water: slightly soluble
density
1.08 g/mL (lit.)
functional group
anhydride, ester
SMILES string
CC(=O)OC(C)=O
InChI
1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI key
WFDIJRYMOXRFFG-UHFFFAOYSA-N
General description
Application
1 of 1
This Item | |||
|---|---|---|---|
| assay 99.5% | assay ≥98.0% | assay ≥99.0% (GC) | assay ≥99% (GC) |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| solubility water: slightly soluble | solubility H2O: slightly soluble | solubility H2O: slightly soluble | solubility - |
| bp 138-140 °C (lit.) | bp 138-140 °C (lit.) | bp 138-140 °C (lit.) | bp 138-140 °C (lit.) |
| density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) |
| mp −73 °C (lit.) | mp −73 °C (lit.) | mp −73 °C (lit.) | mp −73 °C (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
flash_point_f
120.2 °F - closed cup
flash_point_c
49 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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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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