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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

Molecular Weight:: 120.14698

MOL File:: 9004-74-4.mol

MSDS File:: SDS

Modify Date:: 2024/8/15 16:24:08

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Methoxypolyethylene glycols Properties

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)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS08

Signal word

Danger

Hazard statements

H372-H302-H319-H336-H335

Precautionary statements

P264-P280-P305+P351+P338-P337+P313P-P260-P264-P270-P314-P501-P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312-P403+P233-P405-P501

Safety Statements

24/25-22

WGK Germany

RTECS

PE8271000

TSCA

Yes

HS Code

29091990

NFPA 704

	1
1		0

Methoxypolyethylene glycols price More Price(28)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich(India)	M6768	Methoxypolyethylene glycol 350 average mol wt 350	9004-74-4	250G	₹9179.6	2022-06-14	Buy
Sigma-Aldrich(India)	M6768	Methoxypolyethylene glycol 350 average mol wt 350	9004-74-4	1KG	₹20675.75	2022-06-14	Buy
Sigma-Aldrich(India)	81323	Poly(ethylene glycol) methyl ether average Mn 5,000	9004-74-4	250G	₹4990	2022-06-14	Buy
Sigma-Aldrich(India)	81323	Poly(ethylene glycol) methyl ether average Mn 5,000	9004-74-4	1KG	₹13610	2022-06-14	Buy
Sigma-Aldrich(India)	732621	Poly(ethylene glycol) methyl ether average Mn 10,000	9004-74-4	5G	₹5845.5	2022-06-14	Buy

Product number	Packaging	Price	Buy
M6768	250G	₹9179.6	Buy
M6768	1KG	₹20675.75	Buy
81323	250G	₹4990	Buy
81323	1KG	₹13610	Buy
732621	5G	₹5845.5	Buy

Methoxypolyethylene glycols Chemical Properties,Uses,Production

Chemical Properties

varies from viscous liquid to white flakes, depending

Uses

enteric coating controlled release and enteric release coatings

Definition

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

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.

Methoxypolyethylene glycols Preparation Products And Raw materials

Raw materials

Preparation Products

Benzonatate

Methoxypolyethylene glycols Suppliers

Global( 395)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Gujarat Chemicals GUJCHEM	+91-9825114095 +91-9825114095	Gujarat, India	42	58	Inquiry
Viswaat Chemicals Limited	+91-7208827711 +91-8291300373	Mumbai, India	63	58	Inquiry
Central Drug House(P) Ltd.	91-11-49404040	New Delhi, India	6160	58	Inquiry
CLEARSYNTH LABS LTD.	+91-22-45045900	Hyderabad, India	6351	58	Inquiry
TCI Chemicals (India) Pvt. Ltd.	1800 425 7889	New Delhi, India	6778	58	Inquiry
Alfa Aesar	1 800 209 7001	Maharashtra, India	6913	58	Inquiry
Camex Speciality Private Limited	08046051668	Ahmedabad, India	117	58	Inquiry
Vasudha Chemicals Private Limited	08048372480Ext 984	Mumbai, India	2	58	Inquiry
XIAMEN SINOPEG BIOTECH CO., LTD.	+86-0592-7761068 +8617350879715	China	183	58	Inquiry
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	China	12450	58	Inquiry

Supplier	Advantage
Gujarat Chemicals GUJCHEM	58
Viswaat Chemicals Limited	58
Central Drug House(P) Ltd.	58
CLEARSYNTH LABS LTD.	58
TCI Chemicals (India) Pvt. Ltd.	58
Alfa Aesar	58
Camex Speciality Private Limited	58
Vasudha Chemicals Private Limited	58
XIAMEN SINOPEG BIOTECH CO., LTD.	58
Hebei Mojin Biotechnology Co., Ltd	58

Related Qustion

Q:What is Methoxypolyethylene glycols?
A:Methoxypolyethylene glycols (mPEG) are addition polymers of ethylene oxide and methanol with the molecular formula CH3O-(CH2-C....
Mar 15，2024

Methoxypolyethylene glycols Spectrum

Methoxypolyethylene glycols(9004-74-4)IR Methoxypolyethylene glycols(9004-74-4)Raman Methoxypolyethylene glycols(9004-74-4)FT-IR

9004-74-4(Methoxypolyethylene glycols)Related Search:

ETHYLENE OXIDE Ethylene carbonate Diethylene glycol monomethyl ether Ethylene glycol diacetate Ethylene glycol

Polyethylene glycol dimethyl ether ETHYLENE DIACRYLATE TRIETHYLENE GLYCOL MONOMETHYL ETHER 2-Methoxyethanol Triethylene glycol dimethyl ether

1,2-Dimethoxyethane 1,2-Dibromoethane C8E3 ETHYLENE POLY(ETHYLENE GLYCOL) METHYL ETHER METHACRYLATE

Polyethylene Glycol O-Phenylphenoxyethyl Acrylate PROPYLENE GLYCOL

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ETHYLENE GLYCOL 750 MONOMETHYL ETHER POLYMER ETHYLENE GLYCOL 5000 MONOMETHYL ETHER POLYMER ETHYLENE GLYCOL 550 MONOMETHYL ETHER POLYMER ETHYLENE GLYCOL 1900 MONOMETHYL ETHER POLYMER METHOXY POLYETHYLENE GLYCOL 750 Methoxypolyethylene glycols 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. 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) MPEGn-OH 2K, 5K, 10K, 20K Methoxypolyethylene glyco Polyethylene Glycol MonoMethyl Ethers HONOR 203 Ester Type Powder Polycarboxylate Based Superplasticizer Methoxypoly(ethylene glycol) NF, FCC MPEG 550 MPEG 1900 Poly(oxy-1,2-ethanediyl),a-Methyl-w-hydroxy-