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145491
2,3-Dimethyl-1,3-butadiene
98%, contains 100 ppm BHT as stabilizer
Synonym(s):
2,3-Dimethylbuta-1,2-diene, 2,3-Dimethylenebutane, Biisopropenyl, Diisopropenyl
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About This Item
Recommended Products
vapor pressure
269 mmHg ( 37.7 °C)
assay
98%
form
liquid
contains
100 ppm BHT as stabilizer
refractive index
n20/D 1.438 (lit.)
bp
68-69 °C (lit.)
mp
−76 °C (lit.)
density
0.726 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
CC(=C)C(C)=C
InChI
1S/C6H10/c1-5(2)6(3)4/h1,3H2,2,4H3
InChI key
SDJHPPZKZZWAKF-UHFFFAOYSA-N
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Related Categories
1 of 4
This Item | 276030 | 212830 | 220868 |
|---|---|---|---|
| assay 98% | assay 95% | assay 95% | assay - |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| mp −76 °C (lit.) | mp 19 °C (lit.) | mp - | mp - |
| density 0.726 g/mL at 25 °C (lit.) | density 0.94 g/mL at 25 °C (lit.) | density 0.885 g/mL at 25 °C (lit.) | density 0.945 g/mL at 25 °C (lit.) |
| refractive index n20/D 1.438 (lit.) | refractive index n20/D 1.459 (lit.) | refractive index n20/D 1.454 (lit.) | refractive index n20/D 1.469 (lit.) |
| bp 68-69 °C (lit.) | bp 134-136 °C/745 mmHg (lit.) | bp 68-69 °C/14 mmHg (lit.) | bp 60-61 °C/40 mmHg (lit.) |
General description
Application
It may be used in the following processes:
- Preparation of 1,3,6-triene derivatives of corresponding 1-aryl-substituted 1,3-dienes by 1,4-hydrobutadienylation in the presence of cobalt catalyst.[6]
- Synthesis of 6-aryl(hetaryl)-3,4-dimethyl-1-nitro-1-cyano-3-cyclohexenes by reacting with gem-cyanonitroethenes.[7]
- As a halogen trap during the study of the photolysis reaction of dibromo adduct of 2,5-diphenyltellurophene.[8]
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 3
flash_point_f
30.2 °F - closed cup
flash_point_c
-1 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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is the boiling point really 76 degrees, or is it -76 degrees?
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The melting point (MP) of the product is -76 °C.
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