Polyethylene Glycol 3350

Pharmacopoeial Name: Polyethylene Glycol 3350
Chemical Name: 1,2-ethanediol,homopolymer
CAS No.: [25322-68-3]

• Description
  Polyethylene Glycol 3350 (PEG 3350) is a high molecular weight polymer, part of the polyethylene glycol family, with a molecular weight of 3350. It is a colorless, odorless, non-volatile substance that finds extensive use in pharmaceutical, cosmetic, food, and chemical industries. As a pharmaceutical ingredient, PEG 3350 is commonly used to treat constipation due to its ability to retain water in the intestines, softening stool and promoting bowel movements.
• Product Specifications
  

  Product name	Polyethylene Glycol 3350
  CAS NO.	25322-68-3
  MF	(C2H4O)nH2O
  Related categories	USP grade
  HS Code	3404200000
  Product Manager Email	Cherry@coreychem.com

• Product Characteristics

  Items	Unit	Lower Limit	Upper Limit	Value	Method
  IDA: Infrared	–	–	–	Pass	Current USP
  IDB: Chromatographic, Major peak retention times correspond	–	–	–	Pass	Current USP
  Assay	WT%	97.0	103.0	98.3	Current USP
  Ethylene Oxide	ppm	–	1	0	Current USP
  1 1,4-Dioxane	ppm	–	10	0	Current USP
  Sum EG+DEG  Not more than 0.2%	–	–	–	Pass	Current USP
  Formaldehyde	ppm	–	30	5	Current USP
  Sum of Aldehydes         As Formaldehyde+Acetaldehyde	ppm	–	200	92	Current USP
  Average Mole Weight	g/mol	3015	3685	3401	Current USP
  Polydispersity		1.00	1.16	1.04	Current USP
  Hydroxyl Value		30	38	34	Current USP
  PH 25 degC 5% aqueous solution		4.5	7.5	6.6	Current USP
  Water	WT%	–	1.0	0.1	Current USP
  Residue on Ignition, Not more than 0.1%	–	–	–	Pass	Current USP
  Acetic Acid, less than 5000 ppm	–	–	–	Pass	Current EP
  Appearance, Neat	–	–	–	Pass	DOWM 101924
  BHT	ppm	–	20	5	DOWM 102906
  Color, Pt-Co, 25% aqueous solution		–	18	3	ASTM D5386
  Diethylene Glycol	ppm	–	100	< 21	DOWM 102369
  1 Ethylene Glycol	ppm	–	100	< 27	DOWM 102369
  Viscosity, 210 deg	cSt	76	110	96	DOWM 102920
  1,4-Dioxane	ppm	–	10		DOWM 102914
  Ethylene Oxide	ppm	–	1		DOWM 102914

• Applications

  • Pharmaceutical Formulations: PEG 3350 is commonly used in medications for relieving constipation. It acts by attracting and retaining water in the intestines, which softens the stool and facilitates bowel movement.

  • Cosmetics and Personal Care: As a humectant and thickening agent, PEG 3350 is used in moisturizers, lotions, shampoos, and other personal care products.

  • Food Industry: It is used as a food additive (E1521) and thickening agent in certain food and beverage products.

  • Industrial Applications: PEG 3350 serves as a thickener, lubricant, and cleaning agent in chemical processing, metalworking, coatings, and other industrial processes.

  • Other Uses: It is also used in laboratory settings as a reagent, and in the production of various chemical and biological applications.

• Packaging
  • Typically, PEG 3350 is supplied in bulk packaging, including 25kg, 50kg bags, or plastic drums, depending on the supplier and application requirements.

Samples and further technical data can be provided upon request.
More details, just contact: Cherry@coreychem.com