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Polyethylene glycol（PEG） - average Mn 4000 , CAS No.25322-68-3

CAS: 25322-68-3 Cat. No.: P103724 Formula: HO(CH2CH2O)nH EC Number: 500-038-2
3236 Citations COA
Polyethylene glycol（PEG） - average Mn 4000 CAS No(25322-68-3) by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY average Mn 4000
Synonyms
PEG | Poly(ethylene glycol) | Polyethylene glycol 4000 | Polyglycol | Polyoxy ethylene | PEG 4000
Storage
Room temperature,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100g
P103724-100g
3 In stock
—
$10.90
500g
P103724-500g
3 In stock
—
$13.90
12×500g
P103724-12×500g
Made to order · 8–12 wks
$136.90
Enter a quantity for the sizes you want to add.
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Overview Specifications Names and Identifiers Documentation Advanced Data Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Citations of This Product Solution Calculators Reviews
🧪
Why this grade

average Mn 4000 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3236 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Usually used to modify therapeutic proteins and peptides to increase their solubility and lower their toxicity.

Specifications

Synonyms
PEG | Poly(ethylene glycol) | Polyethylene glycol 4000 | Polyglycol | Polyoxy ethylene | PEG 4000
Specifications & Purity
average Mn 4000
Storage
Room temperature,Desiccated
Shipped In
Normal
Names and Identifiers
WGK Germany
1
Reaxy-Rn
505945
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=505945&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

59 results found

Lot NumberCertificate TypeDateItem
D2621410Certificate of AnalysisMar 27, 2026 P103724
D2621391Certificate of AnalysisMar 27, 2026 P103724
D2621390Certificate of AnalysisMar 27, 2026 P103724
D2621385Certificate of AnalysisMar 27, 2026 P103724
D2621384Certificate of AnalysisMar 27, 2026 P103724
D2609464Certificate of AnalysisMar 07, 2026 P103724
A2615001Certificate of AnalysisJun 10, 2025 P103724
H2529498Certificate of AnalysisJun 10, 2025 P103724
H2529475Certificate of AnalysisJun 10, 2025 P103724
H2529474Certificate of AnalysisJun 10, 2025 P103724
H2529473Certificate of AnalysisJun 10, 2025 P103724
H2529472Certificate of AnalysisJun 10, 2025 P103724
C2520647Certificate of AnalysisDec 26, 2024 P103724
F2524447Certificate of AnalysisDec 26, 2024 P103724
F2520046Certificate of AnalysisDec 26, 2024 P103724
B2524134Certificate of AnalysisDec 26, 2024 P103724
B2524278Certificate of AnalysisDec 26, 2024 P103724
B2524279Certificate of AnalysisDec 26, 2024 P103724
C2520611Certificate of AnalysisDec 26, 2024 P103724
C2520616Certificate of AnalysisDec 26, 2024 P103724
B2525510Certificate of AnalysisDec 26, 2024 P103724
D2502531Certificate of AnalysisDec 26, 2024 P103724
C2520645Certificate of AnalysisDec 26, 2024 P103724
K2421457Certificate of AnalysisOct 16, 2024 P103724
K2421468Certificate of AnalysisOct 16, 2024 P103724
K2421469Certificate of AnalysisOct 16, 2024 P103724
K2421485Certificate of AnalysisOct 16, 2024 P103724
J2430466Certificate of AnalysisOct 16, 2024 P103724
J2430456Certificate of AnalysisOct 16, 2024 P103724
J2430455Certificate of AnalysisOct 16, 2024 P103724
I2304452Certificate of AnalysisJun 16, 2023 P103724
I2304456Certificate of AnalysisJun 16, 2023 P103724
I2304468Certificate of AnalysisJun 16, 2023 P103724
I2328490Certificate of AnalysisJun 16, 2023 P103724
L2312016Certificate of AnalysisJun 16, 2023 P103724
I2328491Certificate of AnalysisJun 16, 2023 P103724
J2318619Certificate of AnalysisJun 16, 2023 P103724
J2318620Certificate of AnalysisJun 16, 2023 P103724
J2318645Certificate of AnalysisJun 16, 2023 P103724
G2401095Certificate of AnalysisJun 16, 2023 P103724
G2322978Certificate of AnalysisJun 16, 2023 P103724
G2322974Certificate of AnalysisJun 16, 2023 P103724
A2431208Certificate of AnalysisJan 09, 2023 P103724
B2324610Certificate of AnalysisJan 09, 2023 P103724
B2324687Certificate of AnalysisJan 09, 2023 P103724
B2324696Certificate of AnalysisJan 09, 2023 P103724
B2324695Certificate of AnalysisJan 09, 2023 P103724
L2212211Certificate of AnalysisOct 31, 2022 P103724
L2210464Certificate of AnalysisOct 31, 2022 P103724
L2210463Certificate of AnalysisOct 31, 2022 P103724
L2210454Certificate of AnalysisOct 31, 2022 P103724
I2220654Certificate of AnalysisJul 19, 2022 P103724
I2220652Certificate of AnalysisJul 19, 2022 P103724
I2220653Certificate of AnalysisJul 19, 2022 P103724
I2220655Certificate of AnalysisJul 19, 2022 P103724
E2231289Certificate of AnalysisMar 15, 2022 P103724
E2231308Certificate of AnalysisMar 15, 2022 P103724
E2231320Certificate of AnalysisMar 15, 2022 P103724
F2202007Certificate of AnalysisMar 15, 2022 P103724
Chemical and Physical Properties
SolubilitySoluble in water and organic solvents. Insoluble in aliphatic hydrocarbons.
SensitivityMoisture sensitive
Refractive Index1.460
Flash Point(°F)519.8 °F
Flash Point(°C)271.00 °C
Boil Point(°C)> 200 °C
Melt Point(°C)61-64℃
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Citations of This Product
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📚 Citations by Application

Organic synthesis — reaction medium1709
Extraction & workup solvent723
Chromatography (HPLC / GC / TLC)81
Industrial & non-pharma application424
Controlled-release & nanoparticle carrier354
Drug / compound screening287
Cancer cell line characterization50
Immune cell assay10
Other applications1395
Polymer synthesis & polymerization676
Crystallization & recrystallization49
Topical & ophthalmic formulation51
Electrochemistry & battery electrolyte369
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Nanoparticle / material biocompatibility90
Spectroscopy sample preparation70
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Tablet binder7
Thickener / viscosity modifier15
Bioimaging1
Solvothermal method1
Sustained-release matrix13
IC50 determination5
Extracting & workup solvent2
Cryopreservation1
Sample preparation1
Emulsification & formulation1
Disintegrant / dissolution modifier1
Crosslinking reactions1
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