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M66005

Sigma-Aldrich

3-Methylpentane

≥99%

Synonym(s):

3-Methylpentane

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About This Item

Linear Formula:
(CH3CH2)2CHCH3
CAS Number:
96-14-0
Molecular Weight:
86.18
Beilstein:
1730734
EC Number:
202-481-4
MDL number:
MFCD00009342
UNSPSC Code:
12352100
PubChem Substance ID:
24897097
NACRES:
NA.22
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vapor density

2.97 (vs air)

vapor pressure

135 mmHg ( 17 °C)

Assay

≥99%

form

liquid

autoignition temp.

532 °F

expl. lim.

~7.7 %

refractive index

n20/D 1.376 (lit.)

bp

64 °C (lit.)

density

0.664 g/mL at 25 °C (lit.)

SMILES string

CCC(C)CC

InChI

1S/C6H14/c1-4-6(3)5-2/h6H,4-5H2,1-3H3

InChI key

PFEOZHBOMNWTJB-UHFFFAOYSA-N

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Application

3-Methylpentane (3MP) is mainly used as a model n-alkane in studies relating to densities, viscosities, refractive indices[1], excess enthalpies[2] and vapor-liquid equilibrium of binary alkane mixtures.[3]

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

19.4 °F - closed cup

Flash Point(C)

-7 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS1577
MKCS4919
MKCL4336
MKCB5138
MKCB5139

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Vapor-liquid equilibriums for the binary systems n-hexane with 2-methylpentane, 3-methylpentane, and 2, 4-dimethylpentane.
Ho C L and Davison R R
Journal of Chemical and Engineering Data, 24(4), 293-296 (1979)
Densities, viscosities, and refractive indices of the binary systems methyl tert-butyl ether+ 2-methylpentane,+ 3-methylpentane,+ 2, 3-dimethylpentane, and+ 2, 2, 4-trimethylpentane at 298.15 K.
Bouzas A, et al.
Journal of Chemical and Engineering Data, 45(2), 331-333 (2000)
Excess enthalpies for the binary systems n-octane with 2-methylpentane and 3-methylpentane.
Ameling W
Journal of Chemical and Engineering Data, 28(2), 184-186 (1983)
Shervin Shahriari et al.
The Journal of chemical physics, 121(18), 8960-8967 (2004-11-06)
We have measured the dielectric relaxation of several glass forming branched alkanes with very low dielectric loss in the frequency range 50 Hz-20 kHz. The molecular liquids of this study are 3-methylpentane, 3-methylheptane, 4-methylheptane, 2,3-dimethylpentane, and 2,4,6-trimethylheptane. All liquids display
M W Grinstaff et al.
Science (New York, N.Y.), 264(5163), 1311-1313 (1994-05-27)
Halogenation of an iron porphyrin causes severe saddling of the macrocyclic structure and a large positive shift in the iron(III)/(II) redox couple. Although pre-halogenated iron(II) porphyrins such as Fe(TFPPBr8) [H2TFPPBr8, beta-octabromo-tetrakis(pentafluorophenyl)-porphyrin] are relatively resistant to autoxidation, they rapidly reduce alkyl
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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