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
459836
Álcool etílico, puro
≥99.5%, anhydrous, 200 proof
Sinônimo(s):
Etanol, Etanol não desnaturado, Álcool absoluto
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Nome do produto
Álcool etílico, puro, 200 proof, anhydrous, ≥99.5%
grau
anhydrous
Nível de qualidade
densidade de vapor
1.59 (vs air)
pressão de vapor
57.26 hPa ( 19.6 °C)
Ensaio
≥99.5%
Formulário
liquid
Lim. expl.
3.1-27.7 %
disponibilidade
not available in (Sales restictions may apply)
características do produto alternativo mais ecológico
Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
concentração
200 proof
Impurezas
<0.005% water
resíduo de evaporação
<0.0005%
cor
colorless
pH
7 (20 °C, 10 g/L)
p.e.
78.3 °C
pf
-114 °C
densidade
0.789 g/mL at 20 °C
categoria alternativa mais ecológica
cadeia de caracteres SMILES
OCC
InChI
1S/C2H6O/c1-2-3/h3H,2H2,1H3
chave InChI
LFQSCWFLJHTTHZ-UHFFFAOYSA-N
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Este Item | 493511 | 493546 | 792802 |
|---|---|---|---|
| grade anhydrous | grade ACS spectrophotometric grade | grade ACS reagent (Traceable to ACS product listing.) | grade - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level - |
| assay ≥99.5% | assay 95.0% | assay ≥99.50% | assay - |
| form liquid | form liquid | form liquid | form liquid |
| mp -114 °C | mp -114 °C | mp -114 °C | mp -114 °C (lit.) |
| pH 7 (20 °C, 10 g/L) | pH - | pH 7.0 (20 °C, 10 g/L) | pH - |
Descrição geral
Aplicação
Embalagem
Outras notas
Informações legais
produto comparável
produto relacionado
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Irrit. 2 - Flam. Liq. 2
Código de classe de armazenamento
3 - Flammable liquids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
55.4 °F - closed cup
Ponto de fulgor (°C)
13 °C - closed cup
Equipamento de proteção individual
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Artigos
Development and validation of a headspace SPME and GC-MS method to determine alcohol content in twenty different Kombucha tea samples.
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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What methods do you use for the tests specified on the CoA
1 answer-
The purity of this product is determined by Gas Chromatography (GC) and the moisture content is determined by Karl Fischer. Specific methods are considered proprietary.
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Are all the bottle sizes provided with septum? Or just the 100 ml bottles?
1 answer-
This product is packaged with 'SureSeal' closures which include septa.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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How do I find the lot number for these reagents? I just recently purchased a 500mL bottle of this. Is the lot umber the same as the "source"?
1 answer-
The lot number may be referred to on the label as the batch or source. The terminology may vary by brand and product type.
Helpful?
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What are the options for drying solvents?
1 answer-
Sigma-Aldrich offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive Organic and Biotech applications. Sigma-Aldrich also carries various drying agents such as molecular sieves, which are typically compatible with organic solvents.
Helpful?
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What are the options for drying solvents?
1 answer-
Sigma-Aldrich offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive organic and biotech applications. Sigma-Aldrich also carries various drying agents, which are compatible with organic solvents. For drying ethanol, 3Å molecular sieves are a useful medium for removing any remaining water. For example, we offer these drying agents under such product numbers as 208574 and 208582.
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What is 190 proof and 200 proof ethanol?
1 answer-
All non-denatured ethanol products have a proof associated with the product description. The proof is a measure of the water content of the ethanol portion of the product. The proof is calculated as two times (2 x) the actual ethanol concentration by volume.
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What apparatus do you recommend for HPLC solvent filtration?
1 answer-
The Sigma-Aldrich Vacuum Filtration Assembly gives you all the components you need including: funnel top, fritted glass funnel support, filtration flask, aluminum clamp, and silicone stopper. The Acrodisc Syringe Filters offer high quality filtration for analytical samples, certified for HPLC to ensure low extractable and available in a broad range of membranes to meet sample compatibility requirements.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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