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Merck

388726

Sigma-Aldrich

聚丁烯类化合物

average Mn ~2,300 by VPO, isobutylene >90 %

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About This Item

线性分子式:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
CAS号:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

形狀

liquid

品質等級

分子量

average Mn ~2,300 by VPO

成份

isobutylene, >90%

折射率

n20/D 1.504

黏度

4,000-4,400 cSt(99 °C)(lit.)

轉變溫度

Tg −64.9 °C
pour point (ASTM D 97) +18 °C

密度

0.908 g/mL at 25 °C

SMILES 字串

CCC=C.C\C=C\C

InChI

1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;

InChI 密鑰

WTOOLIQYCQJDBG-BJILWQEISA-N

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應用

疏水材料衍生形成洗涤剂和防锈添加剂。增加粘合剂和涂料的粘性、柔韧性和防水性。有助于 LLDPE 膜的"粘着"。用于聚合物、润滑剂和金属加工液的增塑剂。

特點和優勢

粘性随着分子量增大而增大。可能出现一些内部双键。

外觀

以乙烯基封端。

其他說明

剩余部分为 1-丁烯 和 2-丁烯

象形圖

Health hazardExclamation mark

訊號詞

Danger

危險聲明

危險分類

Asp. Tox. 1 - Skin Irrit. 2

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

159.8 °F - closed cup

閃點(°C)

71 °C - closed cup

個人防護裝備

Eyeshields, Gloves


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