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2-Methyl-2-butene

Name: 2-Methyl-2-butene
Brand: MM
Price: 501 CZK

(mixture of isomers) for synthesis

Synonym(s):

2-Methyl-2-butene, Isoamylene, Trimethylethylene

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Size/SKU	Availability	Price
25 mL	Please contact Customer Service for Availability	CZK 668.00 CZK 501.00
250 mL	Please contact Customer Service for Availability	CZK 1,650.00
1 L	Please contact Customer Service for Availability	CZK 2,650.00 CZK 1,987.50
25 L	Please contact Customer Service for Availability	CZK 18,500.00

About This Item

Empirical Formula (Hill Notation):

C₅H₁₀

CAS Number:

26760-64-5

Molecular Weight:

70.13

MDL number:

MFCD00009333

UNSPSC Code:

12352002

EC Index Number:

247-975-0

NACRES:

NA.22

Assay:

83.0-88.0% (GC)

Form:

liquid

CZK 501.00

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Properties

vapor pressure

513 hPa ( 20 °C)

Quality Segment

200

assay

83.0-88.0% (GC)

form

liquid

autoignition temp.

290 °C

potency

1000-1700 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rat)

expl. lim.

1-9 % (v/v)

kinematic viscosity

0.29 cSt(20 °C)

mp

-134 °C

transition temp

flash point -45 °C

density

0.66 g/cm³ at 20 °C

storage temp.

2-8°C

SMILES string

C(C)C(=C)C

InChI

1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3

InChI key

MHNNAWXXUZQSNM-UHFFFAOYSA-N

Description

Application

Palladium-Catalyzed Pentenylation of Indoles: A study demonstrated the use of 2-Methyl-2-butene in palladium-catalyzed intermolecular dehydrogenative pentenylation of indoles, offering a novel pathway in synthetic chemistry for creating complex molecules (Zhang et al., 2024).
Asynchronous Concerted Mechanism: Research explored an asynchronous concerted mechanism in Lewis acid-mediated carbonyl-olefin [2+2] cycloaddition involving 2-Methyl-2-butene, providing insights into reaction dynamics and stereochemical outcomes in organic synthesis (Li et al., 2023).

Analysis Note

Assay (GC, area%): 83.0 - 88.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.658 - 0.663
2-Methyl-1-buten (GC, area%): 12.0 - 17.0 % (a/a)
Identity (IR): passes test

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Show Differences

1 of 1

This Item	8.41089	745723	86262
Sigma-Aldrich 8.14874 2-Methyl-2-butene	Sigma-Aldrich 8.41089 2-Methyl-3-buten-2-ol	Sigma-Aldrich 745723 3-Methyl-1-butyne	Sigma-Aldrich 86262 2-Methyl-2-butene
assay 83.0-88.0% (GC)	assay ≥98.0% (GC)	assay 95%	assay ≥95.0% (GC)
Quality Level 200	Quality Level 200	Quality Level 100	Quality Level 100
density 0.66 g/cm³ at 20 °C	density 0.824 g/cm³ at 20 °C	density 0.666 g/mL at 25 °C (lit.)	density 0.662 g/mL at 25 °C (lit.)
mp -134 °C	mp -28 °C	mp -	mp −134 °C (lit.)
storage temp. 2-8°C	storage temp. 2-30°C	storage temp. 2-8°C	storage temp. -
form liquid	form liquid	form liquid	form liquid

pictograms

GHS02,GHS07,GHS08,GHS09

signalword

Danger

hcodes

H224 - H302 - H304 - H315 - H336 - H341 - H351 - H411

pcodes

P210 - P233 - P273 - P301 + P310 - P331 - P403 + P233

Hazard Classifications

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

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

-49.0 °F

flash_point_c

-45 °C

Certificates of Analysis (COA)

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