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Merck

464953

SAFC

异戊二烯

≥99%

别名:

2-甲基-1,3-丁二烯

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About This Item

线性分子式:
CH2=CHC(CH3)=CH2
CAS号:
分子量:
68.12
Beilstein:
969158
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:

蒸汽密度

2.35 (vs air)

蒸汽壓力

8.82 psi ( 20 °C)

化驗

≥99%

形狀

liquid

自燃溫度

428 °F

包含

100-150 ppm p-tert-butylcatechol as inhibitor

expl. lim.

10 %

折射率

n20/D 1.422 (lit.)

bp

34 °C (lit.)

mp

−146 °C (lit.)

密度

0.681 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

CC(=C)C=C

InChI

1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3

InChI 密鑰

RRHGJUQNOFWUDK-UHFFFAOYSA-N

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應用

异戊二烯可在仲丁基锂引发下与苯乙烯连续阴离子聚合合成不对称聚苯乙烯-嵌段聚异戊二烯 (PS-b-PI) 二嵌段共聚物。

象形圖

FlameHealth hazard

訊號詞

Danger

危險分類

Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

-65.2 °F - closed cup

閃點(°C)

-54 °C - closed cup


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