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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320102
Acetic anhydride
≥99%, liquid, ReagentPlus®
Synonim(y):
Acetanhydride, Acetic acid anhydride, Acetyl acetate, Acetyl anhydride, Ethanoic anhydride
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Informacje o tej pozycji
Nazwa produktu
Acetic anhydride, ReagentPlus®, ≥99%
vapor density
3.5 (vs air)
Quality Segment
vapor pressure
10 mmHg ( 36 °C), 4 mmHg ( 20 °C)
product line
ReagentPlus®
assay
≥99%
form
liquid
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
- 3-acetoxybenzoic acid by reacting with 3-hydroxybenzoic acid
- 6-dimethylamino-2,3-naphthalenedicarboxylic anhydride, a precursor to prepare 6-dimethylaminonaphthalimide
- Lipozyme TL IM (commercial immobilized lipase from Thermomyces lanuginosus) catalyzed acetylation of essential clove oil.
- As acetyl donor to investigate the lipase catalyzed acetylation of nanofibrillated cellulose (NFC).
- Synthesis of N-substituted pyrazolines.
- Acetylation of Barnyardgrass (Echinochloa crus-galli) starch.
Legal Information
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Ta pozycja | |||
|---|---|---|---|
| description ReagentPlus®, ≥99% | description Arxada quality, ≥99.5% (GC) | description 99.5% | description derivatization grade (GC derivatization), LiChropur™, ≥99.0% |
| assay ≥99% | assay ≥99.5% (GC) | assay 99.5% | assay ≥99.0%, ≥99.0% (GC) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| solubility water: slightly soluble | solubility H2O: slightly soluble | solubility water: slightly soluble | solubility H2O: slightly soluble |
| density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) | density 1.08 g/mL (lit.) |
| refractive index n20/D 1.390 (lit.) | refractive index n20/D 1.390 (lit.) | refractive index n20/D 1.390 (lit.) | refractive index n20/D 1.390 (lit.) |
| bp 138-140 °C (lit.) | bp 138-140 °C (lit.) | bp 138-140 °C (lit.) | bp 138-140 °C (lit.) |
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Słowo ostrzegawcze
Danger
Kody zagrożeń
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Klasa składowania
3 - Flammable liquids
Temperatura zapłonu (°F)
120.2 °F - closed cup
Temperatura zapłonu (°C)
49 °C - closed cup
PPE (środki ochrony indywidualnej)
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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