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Merck

427772

Sigma-Aldrich

聚乙烯

average Mw ~4,000 by GPC, average Mn ~1,700 by GPC

别名:

PE

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About This Item

线性分子式:
H(CH2CH2)nH
CAS号:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

形狀

powder

品質等級

分子量

average Mn ~1,700 by GPC
average Mw ~4,000 by GPC

黏度

1.5 poise(25 °C, Brookfield Thermosel)(lit.)

mp

92 °C

酸值

<0.05 mg KOH/g

轉變溫度

softening point 106 °C (ring and ball)

密度

0.92 g/mL at 25 °C

SMILES 字串

C=C

InChI

1S/C2H4/c1-2/h1-2H2

InChI 密鑰

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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應用

脱模添加剂是橡胶加工过程的润滑剂、PVC的挤出和压延助剂以及颜色母料的分散助剂。PEG-4000可用作蛋白质分级和病毒沉淀过程中的沉淀剂。不同分子量的PEG对哺乳动物细胞杂交的影响。

特點和優勢

低分子量,低粘度,易于加工。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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其他客户在看

A method for the estimation of polyethylene glycol in plasma protein fractions, Analytical Biochemistry
Sims GEC and Snape TJ
Analytical Biochemistry, 107(1), 60-63 (1980)
Reduced cortical neurotransmitPolyethylene glycol-induced mammalian cell hybridization: Effect of polyethylene glycol molecular weight and concentration.
Davidson RL, et al.
Somatic Cell Genetics, 2(3), 271-280 (1976)
Lisa K McCarthy et al.
Pediatrics, 132(1), e135-e141 (2013-06-19)
Hypothermia on admission to the NICU is associated with increased mortality in preterm infants. Many newborns are hypothermic on admission despite using polyethylene bags (PBs). Using exothermic mattresses (EMs) in addition to PBs may reduce hypothermia but increase hyperthermia. We
Łukasz Krakowxzyk et al.
Medical science monitor basic research, 19, 210-213 (2013-08-22)
The search for new surgical flap techniques and modifications of already existing ones is gaining increasing popularity. Progress in flap designing and harvesting have improved the functional and aesthetic results, especially in head and neck reconstruction. Ten pigs were used
Frederick J Kummer et al.
Journal of long-term effects of medical implants, 22(2), 177-179 (2013-02-23)
A polyethylene cup explanted after 41 years was examined using several analytical techniques to determine whether there was a material cause for the extremely low wear observed. Neither the amount of polyethylene oxidation nor crystallinity appeared to be a factor.

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