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86262

Sigma-Aldrich

2-Methyl-2-butene

≥95.0% (GC)

Synonym(s):

β-Isoamylene, Amylene

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50 ML
PLN 212.00
250 ML
PLN 476.00
1 L
PLN 1,500.00

PLN 212.00

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50 ML
PLN 212.00
250 ML
PLN 476.00
1 L
PLN 1,500.00

About This Item

Linear Formula:
CH3CH=C(CH3)2
CAS Number:
513-35-9
Molecular Weight:
70.13
Beilstein:
1361353
EC Number:
208-156-3
MDL number:
MFCD00009276
UNSPSC Code:
12352100
PubChem Substance ID:
57653087
NACRES:
NA.22

PLN 212.00

Please contact Customer Service for Availability
Request a Bulk Order

vapor density

2.4 (vs air)

Quality Level

100

Assay

≥95.0% (GC)

form

liquid

expl. lim.

8.7 %

refractive index

n20/D 1.385 (lit.)
n20/D 1.388

bp

35-38 °C (lit.)

mp

−134 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

SMILES string

C\C=C(\C)C

InChI

1S/C5H10/c1-4-5(2)3/h4H,1-3H3

InChI key

BKOOMYPCSUNDGP-UHFFFAOYSA-N

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General description

2-Methyl-2-butene is a trisubstituted olefin. It acts as guest and forms stable solid host-guest complexes with self-assembled benzophenone bis-urea macrocycles.[1] The impact of active chlorine on photo-oxidation of 2-methyl-2-butene was studied.[2] Photosensitized oxidation of 2-methyl-2-butene adsorbed on internal framework of Na-ZSM-5 zeolite was studied.[3] Gas-phase reaction of 2-methyl-2-butene with ozone has been investigated.[4] Kinetics of liquid-phase alkylation of 3-methylthiophene with 2-methyl-2-butene on supported phosphoric acid has been reported.[5]

[5]2-methyl-2-butene undergoes ultraviolet irradiation, leading to the formation of trimethylene oxides.[6]

Application

2-Methyl-2-butene may be employed as precursor for peroxyacetyl nitrate for the calibration purposes.[4]

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-4.0 °F

Flash Point(C)

-20 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM1561
BCCL2203
BCCH8677
BCCJ4802
BCCG0153

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Kinetics and mechanism of liquid-phase alkylation of 3-methylthiophene with 2-methyl-2-butene over a solid phosphoric acid.
Belliere V, et al.
Applied Catalysis. B, Environmental, 64(3), 254-261 (2006)
Light-catalyzed organic reactions. I. The reaction of carbonyl compounds with 2-methyl-2-butene in the presence of ultraviolet light
Buchi G, et al.
Journal of the American Chemical Society, 76, 4327-4331 (1954)
Mehdi Nabi et al.
Journal of AOAC International, 103(5), 1243-1249 (2020-11-27)
A simple, rapid, selective and sensitive sample preparation and derivatization method was performed for determination of bromate ions in water by means of dispersive liquid-liquid extraction (DLLE) by gas chromatography-electron capture detection (GC-ECD). This method is based on 2-methyl-2-butene derivatization
Gas-phase reaction of ozone with 2-methyl-2-butene: Dicarbonyl formation from Criegee biradicals.
Grosjean D.
Environmental Science & Technology, 24(9), 1428-1432 (1990)
Light-catalyzed organic reactions. I. The reaction of carbonyl compounds with 2-methyl-2-butene in the presence of ultraviolet light
Buchi G, et al.
Journal of the American Chemical Society, 76, 4327-4331 (1954)
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Questions

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  1. 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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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    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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