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88276

Poli(etilenglicole)

Name: Poli(etilenglicole)
Brand: SIGMA
Price: 64.1 EUR

BioUltra, 3,350

Sinonimo/i:

PEG

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Taglio della confezione	SKU	Disponibilità	Prezzo
250 g		Per informazioni sulla disponibilità, contatta il Servizio Clienti.	64,10 €
1 kg		Per informazioni sulla disponibilità, contatta il Servizio Clienti.	191,00 €

Informazioni su questo articolo

Formula condensata:

H(OCH₂CH₂)_nOH

Numero CAS:

25322-68-3

NACRES:

NA.26

PubChem Substance ID:

24889075

UNSPSC Code:

12352104

MDL number:

MFCD00081839

64,10 €

Per informazioni sulla disponibilità, contatta il Servizio Clienti.

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Proprietà

Quality Segment

200

product line

BioUltra

form

powder

mol wt

M_r 3000-3700

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

impurities

insoluble matters, passes filter test

pH

5.5-7.0 (25 °C, 50 mg/mL in H₂O)

solubility

H₂O: 50 mg/mL, clear, colorless

anion traces

chloride (Cl^-): <50 mg/kg, sulfate (SO₄^2-): <50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤5 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 A_max: 0.06, λ: 280 nm A_max: 0.03

greener alternative category

Aligned

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

Descrizione

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

Poly(ethylene glycol) (PEG) is a linear polyether of ethylene glycol (ethane-1,2-diol). It is soluble in water, benzene, ethanol, acetonitrile, and dichloromethane. However, it is insoluble in diethyl ether and hexane. This non-ionic polymer[1] can exist in the monomer and aqueous phases.[2]

Application

Poly(ethylene glycol) has been used:

to grow the crystals of HLA-A∗02:01-N222-230 LLLDRLNQL (pHLA) complex[3]
in the fabrication of ultrathin, free-standing, and porous polymer membranes for retinal tissue engineering
to grow the crystals of the C2c2-crRNA complex[4]
to grow the crystals of the apo-C2c2 thermolysin-resistant core[4]

Biochem/physiol Actions

Poly(ethylene glycol) (PEG) is used in several pharmaceutical applications. This polymer occurs as a preservative and is used in biomedical applications like drug delivery systems, biosensing, and tissue engineering. PEG is also used in cosmetic ointments and creams. It is used as a binding and dispersing agent in chemical and other industries.

Features and Benefits

Environment friendly[2]
Biocompatible[2]
Unique solvent solution[2]

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Questo articolo	86101	81227	84797
Sigma-Aldrich 88276 Poly(ethylene glycol)	Sigma-Aldrich 86101 Poly(ethylene glycol)	Sigma-Aldrich 81227 Poly(ethylene glycol)	Sigma-Aldrich 84797 Poly(ethylene glycol)
form powder	form solid	form solid	form powder
Quality Level 200	Quality Level 100	Quality Level 200	Quality Level 200
mol wt M_r 3000-3700	mol wt M_r 1400-1600	mol wt M_r 2700-3300	mol wt M_r 1900-2200
cation traces Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Ca: ≤5 mg/kg, Co: ≤5 mg/kg, Cu: ≤5 mg/kg, K: ≤200 mg/kg, Mg: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Sr: ≤5 mg/kg, As: ≤0.1 mg/kg, Cd: ≤5 mg/kg, Fe: ≤5 mg/kg, Mn: ≤5 mg/kg, Pb: ≤5 mg/kg, Bi: ≤5 mg/kg, Li: ≤5 mg/kg, Zn: ≤5 mg/kg, Cr: ≤5 mg/kg, Na: ≤200 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	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	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
impurities insoluble matters, passes filter test	impurities insoluble matter:, passes filter test, ≤0.001% peroxides (as H₂O₂):	impurities insoluble matter, passes filter test, ≤0.001% peroxides (as H₂O₂)	impurities insoluble matter:, passes filter test, ≤0.001% peroxides (as H₂O₂):
greener alternative product characteristics Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry.	greener alternative product characteristics Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry.	greener alternative product characteristics Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry.	greener alternative product characteristics Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry.

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Classe di stoccaggio

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Islam R and Fang J

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Two Distant Catalytic Sites Are Responsible for C2c2 RNase Activities.

Liang Liu et al.

Cell, 168(1-2), 121-134 (2017-01-14)

C2c2, the effector of type VI CRISPR-Cas systems, has two RNase activities-one for cutting its RNA target and the other for processing the CRISPR RNA (crRNA). Here, we report the structures of Leptotrichia shahii C2c2 in its crRNA-free and crRNA-bound

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Numero articolo commerciale globale

SKU	GTIN
88276-1KG-F	04061833064856
88276-250G-F	04061833064863

Domande

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