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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214736
Xylole
reagent grade
Synonym(e):
Xylol
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Über diesen Artikel
Quality Segment
grade
reagent grade
vapor density
3.7 (vs air)
vapor pressure
18 mmHg ( 37.7 °C)
assay
≥75.0% (xylenes isomers)
form
liquid
autoignition temp.
867 °F
expl. lim.
7 %
dilution
(for analytical testing)
impurities
≤25% ethylbenzene
refractive index
n20/D 1.497 (lit.)
bp
137-140 °C (lit.)
mp
-34 °C (lit.)
density
0.86 g/mL at 25 °C (lit.)
SMILES string
Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C
InChI
1S/3C8H10/c1-7-3-5-8(2)6-4-7;1-7-4-3-5-8(2)6-7;1-7-5-3-4-6-8(7)2/h3*3-6H,1-2H3
InChI key
MVZVDAGWAAZJPE-UHFFFAOYSA-N
General description
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description reagent grade | description histological grade | description Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS | description Histology |
| assay ≥75.0% (xylenes isomers) | assay ≥75.0% (xylenes isomers) | assay ≥98.5% (xylene isomers plus ethylbenzene, GC) | assay - |
| grade reagent grade | grade - | grade - | grade - |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form liquid | form - | form liquid | form liquid |
| vapor pressure 18 mmHg ( 37.7 °C) | vapor pressure 18 mmHg ( 37.7 °C) | vapor pressure 18 mmHg ( 37.7 °C) | vapor pressure 18 mmHg ( 37.7 °C) |
| mp -34 °C (lit.) | mp -34 °C | mp - | mp - |
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Central nervous system,Liver,Kidney, Respiratory system
Lagerklasse
3 - Flammable liquids
wgk
WGK 2
flash_point_f
77.0 °F - closed cup
flash_point_c
25 °C - closed cup
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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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
Helpful?
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hello we would like to enquire if this grade of xylene (CAS 1330-20-7) is equivelant to the grade BS 458:1963
1 answer-
This product is not BS 458:1963 grade. Currently, British Standard grade products are not available.
Helpful?
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Does Xylenes have a shelf life
1 answer-
This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.
Helpful?
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