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Merck
CN

71578

聚乙二醇甲基醚

BioUltra, 500

别名:

mPEG, 甲氧基聚乙二醇, 聚乙二醇单甲醚

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关于此项目

线性分子式:
CH3(OCH2CH2)nOH
化学文摘社编号:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.26
MDL number:
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SMILES string

O(CCO)C

InChI

1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3

InChI key

XNWFRZJHXBZDAG-UHFFFAOYSA-N

vapor density

>1 (vs air)

vapor pressure

0.05 mmHg ( 20 °C)

description

non-ionic

product line

BioUltra

form

paste, viscous liquid (clear)

mol wt

470-530

impurities

insoluble matters, passes filter test, ≤0.005% peroxides (as H2O2)

pH

5.5-7.0 (25 °C, 50 mg/mL in H2O)

mp

20 °C (lit.)

solubility

H2O: 50 mg/mL at 25 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

50 mg/mL in H2O

UV absorption

λ: 260 nm Amax: 0.06, λ: 280 nm Amax: 0.03

functional group

hydroxyl

Quality Level

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存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

359.6 °F - closed cup

flash_point_c

182 °C - closed cup

ppe

Eyeshields, Gloves


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分析证书(COA)

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