You are here: Home » Products » PEG Polyethylene Glycol CAS 25322-68-3

PEG Polyethylene Glycol CAS 25322-68-3

The properties vary depending on the relative molecular weight, ranging from colorless and odorless viscous liquids to waxy solids. Those with a molecular weight of 200-600 are liquids at room temperature, while those with a molecular weight above 600 gradually become semi-solid As the average molecular weight varies, the properties also differ. From colorless and odorless viscous liquid to waxy solid. As the molecular weight increases, its moisture absorption capacity decreases accordingly. This product is soluble in water, ethanol, and many other organic solvents


Availability:



Inquire Add to Basket PDF Export

Model:
25322-68-3
Brand:
bosschem
Code:
25322-68-3

Product Description

Polyethylene Glycol (PEG )

CAS 25322-68-3

Alais: 1,2-ethanediol,homopolymer

Molecular formula: (C2H4O)nH2O

Molecular weight: 0

Structural formula:

1. Performance and use

It has a wide range of applications in industries such as cosmetics, pharmaceuticals, chemical fibers, rubber, plastics, papermaking, painting, electroplating, pesticides, metal processing, and food processing.

2. Technical indicators

Poly(ethylene glycol) Basic information
Product Name:	Poly(ethylene glycol)
CAS:	25322-68-3
MF:	N/A
MW:	0
EINECS:	500-038-2
Mol File:	25322-68-3.mol
Poly(ethylene glycol) Chemical Properties
Melting point	64-66 °C
Boiling point	>250°C
density	1.27 g/mL at 25 °C
vapor density	>1 (vs air)
vapor pressure	<0.01 mm Hg ( 20 °C)
refractive index	n20/D 1.469
Fp	270 °C
storage temp.	2-8°C
solubility	H2O: 50 mg/mL, clear, colorless
form	waxy solid
color	White to very pale yellow
Specific Gravity	1.128
PH	5.5-7.0 (25℃, 50mg/mL in H2O)
Water Solubility	Soluble in water.
λmax	λ: 260 nm Amax: 0.6
λmax	λ: 280 nm Amax: 0.3
Sensitive	Hygroscopic
Merck	147,568
Stability:	Stable. Incompatible with strong oxidizing agents.
NIST Chemistry Reference	Polyethylene glycol(25322-68-3)
EPA Substance Registry System	Polyethylene glycol (25322-68-3)

Type Index	Appearance 25℃	Colour(Pt-Co)	Hydroxyl value(mgKOH/g)	Molecular Weight	pH
PEG 200	Colorless liquid	≤ 40	510~623	180~220	5.0~7.0
PEG 300	Colorless liquid	≤ 40	340~416	270~330	5.0~7.0
PEG 400	Colorless liquid	≤ 40	255~311	360~440	5.0~7.0
PEG 600	Colorless liquid	≤ 40	170~208	540~660	5.0~7.0
PEG 800	White paste	≤ 40	127~156	720~880	5.0~7.0
PEG 1000	White waxy solid	≤ 40	102~125	900~1100	5.0~7.0
PEG 1500	White waxy solid	≤ 40		1350~1650	5.0~7.0
PEG 2000	White waxy solid	≤ 50	51~63	1800~2200	5.0~7.0
PEG 3000	White solid	≤ 50	34~42	2700~3300	5.0~7.0
PEG 4000	White solid	≤ 50	26~32	3600~4400	5.0~7.0
PEG 6000	White solid	≤ 50	16~21	5400~7000	5.0~7.0
PEG 8000	White solid	≤ 50	12~16	7200~8800	5.0~7.0
Test Method	--	GB/T 3143	GB/T 7383	Calculated	GB/T 6368