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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158992
Methyl p-Toluensulfonat
98%
Synonym(e):
Methyl p-methylbenzenesulfonate, Methyl toluene-4-sulfonate, Methyl tosylate, Methylp-tosylate
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| Größe/SKU | Verfügbarkeit | Preis |
|---|
Über diesen Artikel
vapor density
6.45 (vs air)
Quality Segment
vapor pressure
1 mmHg ( 20 °C)
assay
98%
form
solid
autoignition temp.
896 °F
refractive index
n20/D 1.5172 (lit.)
bp
144-145 °C/5 mmHg (lit.)
mp
25-28 °C (lit.)
density
1.234 g/mL at 25 °C (lit.)
functional group
tosylate
storage temp.
2-8°C
SMILES string
COS(=O)(=O)c1ccc(C)cc1
InChI
1S/C8H10O3S/c1-7-3-5-8(6-4-7)12(9,10)11-2/h3-6H,1-2H3
InChI key
VUQUOGPMUUJORT-UHFFFAOYSA-N
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Dieser Artikel | |||
|---|---|---|---|
| description 98% | description certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description 98% | description 97% |
| assay 98% | assay - | assay 98% | assay 97% |
| Quality Level 200 | Quality Level 300 | Quality Level 200 | Quality Level 100 |
| form solid | form - | form solid | form liquid |
| density 1.234 g/mL at 25 °C (lit.) | density 1.174 g/mL at 25 °C (lit.) | density 1.174 g/mL at 25 °C (lit.) | density 1.142 g/mL at 25 °C |
| bp 144-145 °C/5 mmHg (lit.) | bp 158-162 °C/10 mmHg (lit.) | bp 158-162 °C/10 mmHg (lit.) | bp - |
| mp 25-28 °C (lit.) | mp 29-33 °C (lit.) | mp 29-33 °C (lit.) | mp - |
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Signalwort
Danger
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B
Lagerklasse
8A - Combustible corrosive hazardous materials
Flammpunkt (°F)
235.4 °F - closed cup
Flammpunkt (°C)
113 °C - closed cup
PSA (Persönliche Schutzausrüstung)
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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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