This product is not suitable for GC-MS applications.
236705
Pentano
anhydrous, ≥99%
Pentane
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Informazioni su questo articolo
Formula condensata:
CH3(CH2)3CH3
Numero CAS:
Peso molecolare:
72.15
UNSPSC Code:
12352001
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-692-4
Beilstein/REAXYS Number:
969132
MDL number:
Assay:
≥99%
Grade:
anhydrous
Bp:
35-36 °C (lit.)
Vapor pressure:
26.76 psi ( 55 °C), 8.28 psi ( 20 °C)
Per informazioni sul prodotto 236705, contatta il rappresentante o rivenditore Merck di zona. Contatta l'Assistenza Tecnica
Servizio Tecnico
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Permettici di aiutartigrade
anhydrous
Quality Segment
vapor density
2.48 (vs air)
vapor pressure
26.76 psi ( 55 °C), 8.28 psi ( 20 °C)
assay
≥99%
form
liquid
autoignition temp.
500 °F
expl. lim.
~8.3 %
impurities
<0.005% water (100 mL pkg), <0.001% water
evapn. residue
<0.0005%
refractive index
n20/D 1.358 (lit.)
bp
35-36 °C (lit.)
mp
−130 °C (lit.)
density
0.626 g/mL at 25 °C (lit.)
SMILES string
CCCCC
InChI
1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3
InChI key
OFBQJSOFQDEBGM-UHFFFAOYSA-N
General description
Pentane, a linear aliphatic hydrocarbon, is one of the main constituents of light straight-run (LSR) gasoline fraction in crude oils. Its isomerization can improve the octane number of gasoline. This has led to the development of a number of metal catalysts, which can effectively isomerize n-pentane to iso-pentane.
Application
Pentane may be used as a solvent in the preparation of tetraethynyl silane from tetrakis((trimethylsilyl)ethynyl)silane.
Packaging
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Classe di stoccaggio
3 - Flammable liquids
wgk
WGK 2
flash_point_f
-40.0 °F
flash_point_c
-40 °C
ppe
Eyeshields, Faceshields, Gloves
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Is this product appropriate for GC-MS?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfUtile?
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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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