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
1.04368
Hexane, mixture of isomers
EMPLURA®
Synonyme(s) :
Hexane, n-Hexane
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A propos de cet article
Nom du produit
n-Hexane, EMPLURA®
vapor density
~3 (vs air)
Quality Segment
vapor pressure
256 mmHg ( 37.7 °C), 5.2 psi ( 37.7 °C), ~132 mmHg ( 20 °C)
product line
EMPLURA®
assay
≥95% (GC)
form
liquid
autoignition temp.
453 °F
potency
25000 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)
expl. lim.
7.7 %
technique(s)
UV/Vis spectroscopy: suitable
impurities
≤0.005% Free acid (as acetic acid), ≤0.02% Water
refractive index
n
kinematic viscosity
0.50 cSt(20 °C)
bp
69 °C (lit.)
mp
−95 °C (lit.)
transition temp
flash point -22 °C
density
0.659 g/mL at 25 °C (lit.)
storage temp.
2-30°C
SMILES string
CCCCCC
InChI
1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3
InChI key
VLKZOEOYAKHREP-UHFFFAOYSA-N
General description
Analysis Note
Identité (IR) : conforme
Acide libre (exprimé en acide acétique) : ≤ 0,005 %
Densité (d 20 °C/4 °C) : 0,6590 - 0,6620
Substances facilement carbonisables : conforme
Eau : ≤ 0,02 %
Legal Information
1 of 1
Cet article | |||
|---|---|---|---|
| description EMPLURA® | description for analysis EMPARTA® ACS | description for analysis EMSURE® ACS | description for analysis EMSURE® ACS,Reag. Ph Eur |
| Quality Level 200 | Quality Level 200 | Quality Level 300 | Quality Level 300 |
| assay ≥95% (GC) | assay ≥98.5% (Σ hexane isomers + methylcyclopentane ) | assay ≥99% (GC) | assay ≥96.0% (GC), ≥98.50% (hexane isomers + methylcyclopentane, GC) |
| technique(s) UV/Vis spectroscopy: suitable | technique(s) - | technique(s) - | technique(s) - |
| form liquid | form liquid | form liquid | form liquid |
| vapor density ~3 (vs air) | vapor density ~3 (vs air) | vapor density ~3 (vs air) | vapor density ~3 (vs air) |
| mp −95 °C (lit.) | mp −95 °C (lit.) | mp −95 °C (lit.) | mp −95 °C (lit.) |
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signalword
Danger
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3
target_organs
Central nervous system, Nervous system
Classe de stockage
3 - Flammable liquids
flash_point_f
-7.6 °F - closed cup
flash_point_c
-22 °C - closed cup
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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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