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272965

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
EC Number:
213-679-5
UNSPSC Code:
12352100
PubChem Substance ID:
24856521
Beilstein/REAXYS Number:
1733258
MDL number:
MFCD00060915
Assay:
97%
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Quality Level

100

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

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.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

10.4 °F - closed cup

flash_point_c

-12 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
S10305
15216CC
05509CD
14820LD
23418CR

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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)