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272965

Sigma-Aldrich

2,4-Dimethyl-2,3-pentadiene

97%

Synonym(s):

Tetramethylallene

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About This Item

Linear Formula:
(CH3)2C=C=C(CH3)2
CAS Number:
1000-87-9
Molecular Weight:
96.17
Beilstein:
1733258
EC Number:
213-679-5
MDL number:
MFCD00060915
UNSPSC Code:
12352100
PubChem Substance ID:
24856521

Assay

97%

refractive index

n20/D 1.440 (lit.)

bp

87-88 °C (lit.)

density

0.701 g/mL at 25 °C (lit.)

SMILES string

CC(C)=C=C(C)C

InChI

1S/C7H12/c1-6(2)5-7(3)4/h1-4H3

InChI key

DZSNJASVIURWOG-UHFFFAOYSA-N

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Application

2,4-Dimethyl-2,3-pentadiene was used in the synthesis of 3-(2,4-dimethyl-1,2-pentadienyl) and 2-(3-methyl-1,2-butadienyl) sulfinic acids via ene addition reaction in liquid sulphur dioxide.

Signal Word

Danger

Hazard Statements

H225,H304,H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

10.4 °F - closed cup

Flash Point(C)

-12 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Simon P Neville et al.
The Journal of chemical physics, 144(1), 014305-014305 (2016-01-10)
We report a joint experimental and theoretical study on the ultrafast excited state dynamics of allene and a series of its methylated analogues (1,2-butadiene, 1,1-dimethylallene, and tetramethylallene) in order to elucidate the conical intersection mediated dynamics that give rise to
Capozzi G, et al.
Tetrahedron Letters, 21(34), 3289-3292 (1980)

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