ChemicalBook > CAS DataBase List > Methoxypolyethylene glycols

Methoxypolyethylene glycols

Product Name
Methoxypolyethylene glycols
CAS No.
9004-74-4
Chemical Name
Methoxypolyethylene glycols
Synonyms
MPEG;MPEG-OH;METHOXYPOLYETHYLENE GLYCOL;MEO-PEG-OH;POLYETHYLENE GLYCOL MONOMETHYL ETHER;MEO-PEG-COOH;POLYETHYLENE GLYCOL MONOMETHYL ETHER 550;MPEG 500;MPEG 2000;MPEG 5000
CBNumber
CB6228002
Molecular Formula
C5H12O3
Formula Weight
120.14698
MOL File
9004-74-4.mol
More
Less

Methoxypolyethylene glycols Property

Melting point:
60-64 °C
Boiling point:
>200°C/760mmHg
Density 
1.094 g/mL at 25 °C
vapor density 
>1 (vs air)
vapor pressure 
0.05 mm Hg ( 20 °C)
refractive index 
n20/D 1.459
Flash point:
268 °C
storage temp. 
-20°C
solubility 
H2O: 50 mg/mL at 25 °C, clear, colorless
form 
semisolid
color 
White to pale yellow
Specific Gravity
1.094
PH
5.5-7.0 (25℃, 50mg/mL in H2O)
Water Solubility 
Slightly miscible with water.
λmax
λ: 260 nm Amax: 0.06
λ: 280 nm Amax: 0.03
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.
InChIKey
XNWFRZJHXBZDAG-UHFFFAOYSA-N
LogP
-0.800 (est)
EPA Substance Registry System
Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-hydroxy- (9004-74-4)
More
Less

Safety

Safety Statements 
24/25-22
WGK Germany 
3
RTECS 
PE8271000
3
TSCA 
Yes
HS Code 
29091990
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

H335May cause respiratory irritation

H336May cause drowsiness or dizziness

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P314Get medical advice/attention if you feel unwell.

P330Rinse mouth.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
71578
Product name
Poly(ethylene glycol) methyl ether
Purity
BioUltra, 500
Packaging
250g
Price
$152
Updated
2024/03/01
Sigma-Aldrich
Product number
71578
Product name
Poly(ethylene glycol) methyl ether
Purity
BioUltra, 500
Packaging
1kg
Price
$233
Updated
2024/03/01
Sigma-Aldrich
Product number
202487
Product name
Poly(ethylene glycol) methyl ether
Purity
average Mn 550
Packaging
5g
Price
$53.4
Updated
2024/03/01
Sigma-Aldrich
Product number
202487
Product name
Poly(ethylene glycol) methyl ether
Purity
average Mn 550
Packaging
250g
Price
$95.2
Updated
2024/03/01
TCI Chemical
Product number
P2183
Product name
Polyethylene Glycol Monomethyl Ether 400
Packaging
100g
Price
$26
Updated
2024/03/01
More
Less

Methoxypolyethylene glycols Chemical Properties,Usage,Production

Description

m-PEG36-alcohol is a PEG linker containing a hydroxyl group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The hydrophilic PEG spacer increases solubility in aqueous media.

Chemical Properties

varies from viscous liquid to white flakes, depending

Uses

enteric coating controlled release and enteric release coatings

Uses

Methoxypolyethylene Glycol of with an average molecular mass of 350. Methoxypolyethylene Glycol (MPEG) is used in various applications such as micelles for drug delivery as well as in modifications of therapeutic proteins to improve their pharmacokinetics.

Uses

Methoxypolyethylene glycol 350 has been used in a study to assess the synthesis of a new class of thermosensitive micellar cyclotriphosphazenes. It has also been used in a study to investigate synthesis of a new amphiphilic poly(organophosphazene) by stepwise nucleophilic substitution.

Definition

ChEBI: A poly(ethylene glycol) terminated with a methyl group at one end.

brand name

Carbowax Sentry Methoxypolyethylene Glycol (Union Carbide).

General Description

It is a Polyethylene glycol (PEG) macromer with a reactive chain end consisting of methyl ether. Etherification of the PEG chain ends can be undertaken in basic conditions by reacting it with alkyl halides. mPEG can undergo cross linking to form hydrogels; polymerization can be initiated by redox reaction or free radical initiator.

Solubility in organics

Acetone, chloroform, cyclohexanone, dichloromethane, DMF, MEK, toluene (hot), water

Methoxypolyethylene glycols Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

Methoxypolyethylene glycols Suppliers

TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
19172
Advantage
64
NBC (Shanghai) Chemical Co.,Ltd
Tel
13671558889
Fax
021-56789108
Email
market@nbcchem.com
Country
China
ProdList
184
Advantage
58
Liaoning kelong Fine Chemical Co.,Ltd
Tel
18841966869
Email
carrie@kelongchem.com
Country
China
ProdList
24
Advantage
58
Beijing HwrkChemical Technology Co., Ltd
Tel
010-89508211 18501085097
Fax
010-89508210
Email
sales.bj@hwrkchemical.com
Country
China
ProdList
8415
Advantage
55
Shandong Baostai Medical Materials Co. LTD
Tel
0531-95836715 15550029578
Email
958367155@qq.com
Country
China
ProdList
82
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
future industrial shanghai co., ltd
Tel
400-0066400 13621662912
Fax
021-55660885
Email
sales@jonln.com
Country
China
ProdList
1995
Advantage
65
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
More
Less

View Lastest Price from Methoxypolyethylene glycols manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Methoxypolyethylene glycols 9004-74-4
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000
Release date
2024-05-10
Hebei Chuanghai Biotechnology Co,.LTD
Product
Methoxypolyethylene Glycols 9004-74-4
Price
US $9.00/KG
Min. Order
1KG
Purity
99.8%
Supply Ability
100tons
Release date
2024-08-15
XIAMEN SINOPEG BIOTECH CO., LTD.
Product
Methoxypoly(ethylene glycol) 9004-74-4
Price
US $0.00-0.00/ASSAYS
Min. Order
1化验
Purity
98%
Supply Ability
10kg
Release date
2021-06-01

9004-74-4, Methoxypolyethylene glycolsRelated Search:


  • 2-ethanediyl),.alpha.-methyl-.omega.-hydroxy-Poly(oxy-1
  • ETHYLENE GLYCOL 750 MONOMETHYL ETHER POLYMER
  • ETHYLENE GLYCOL 5000 MONOMETHYL ETHER POLYMER
  • ETHYLENE GLYCOL 550 MONOMETHYL ETHER POLYMER
  • ETHYLENE GLYCOL 350 MONOMETHYL ETHER POLYMER
  • ETHYLENE GLYCOL 1900 MONOMETHYL ETHER POLYMER
  • METHOXY POLYETHYLENE GLYCOL 750
  • Methoxypolyethylene glycols
  • METHOXYPOLYETHYLENE GLYCOL
  • MEO-PEG-COOH
  • MEO-PEG-OH
  • PEG-6 METHYL ETHER
  • ALPHA-METHOXY-OMEGA-CARBOXYLIC ACID POLY(ETHYLENE GLYCOL)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) 10000
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) 2000
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) 20000
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) 5000
  • PEG-WM 5000
  • PEG-WM 750 DALTON
  • PEG-WM 20000
  • PEG-WM 2000
  • PEG-WM 10000
  • POLYETHYLENE GLYCOL 350 MONOMETHYL ETHER
  • POLYETHYLENE GLYCOL 2000 MONOMETHYL ETHER
  • POLYETHYLENE GLYCOL 2'000 MONOMETHYL ETHER
  • POLYETHYLENE GLYCOL 550 MONOMETHYL ETHER
  • METHOXY PEG-100
  • METHOXYPOLYETHYLENE GLYCOL AV. MOL.*WT.: 2,000
  • POLY(ETHYLENE GLYCOL) METHYL ETHER, AVER AGE MN CA. 2,000
  • METHOXYPOLYETHYLENE GLYCOL AV. MOL.*WT.: 750
  • POLYETHYLENE GLYCOL 2'000 MONOMETHYLETHER SOLUTION 50%
  • POLY(ETHYLENE GLYCOL) METHYL ETHER, AVERAGE MN CA. 5,000
  • Polyethylene glycol 1000 monomethyl ether
  • POLY(ETHYLENE GLYCOL) METHYL ETHER, AVER AGE MN CA. 550
  • POLY(ETHYLENE GLYCOL) METHYL ETHER, AVER AGE MN CA. 350
  • POLYETHYLENE GLYCOL 5'000 MONOMETHYLETHER SOLUTION 50%
  • METHOXYPOLYETHYLENE GLYCOL AV. MOL.*WT.: 5,000
  • POLY(ETHYLENE GLYCOL) METHYL ETHER, AVER AGE MN CA. 750
  • PEGmonomethylether,550
  • Poly(ethylene glycol methyl ether), average M.W. 350
  • Poly(ethylene glycol methyl ether), average M.W. 500
  • Poly(ethylene glycol methyl ether), average M.W. 750
  • mono-methyl-polyethylene glycol solution
  • polyethylene glycol monomethyl ether solution
  • Polyglykolmonomethylether
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) (PEG-WM 2.000 DALTON)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) (PEG-WM 5.000 DALTON)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) (PEG-WM 10.000 DALTON)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) (PEG-WM 750 DALTON)
  • ALPHA-METHOXY-OMEGA-HYDROXY POLY(ETHYLENE GLYCOL) (PEG-WM 20.000 DALTON)
  • Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy-
  • Poly(ethylene glycol Methyl ether), average M.W. 350 1KG
  • Poly(ethylene glycol Methyl ether), average M.W. 350 500GR
  • Poly(ethylene glycol Methyl ether), average M.W. 750 1KG
  • Poly(ethylene glycol Methyl ether), average M.W. 750 500GR
  • Polyethylene glycol MonoMethylether,(MPEG)
  • Methoxypolyethylene glycols (MPEG1500)