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EOPo Block Copolymers

What is EO/PO Block Copolymers?

EO/PO block copolymers (EOPo) are nonionic surfactants made by reacting ethylene oxide and propylene oxide with an alcohol or other starter; they offer wetting, dispersing, and low-foam performance.

What is EO/PO Block Copolymers used for?

EOPo block copolymers are used in detergents and cleaners; in personal care emulsions; in industrial wetting and dispersing; and in low-foam nonionic surfactant formulations. Venus Ethoxyethers manufactures and supplies in India; request a quote for your requirements.

EO/PO block copolymers are manufactured by reacting ethylene oxide and propylene oxide in combination with an alcohol. EO/PO products have various applications as low-foaming non-ionic surfactants. EO/PO block copolymer have excellent wetting and dispersing properties. EO/PO block co-polymer which are insoluble or have limited solubility in water or ethylene glycol generally have low cloud points (< 50oC).

We manufacture a wide range of EO/PO block copolymer as per customer requirements. Below is a tentative list of products that we manufacture:

  • Tridecyl Alcohol EO/PO
  • Lauryl Alcohol EO/PO
  • Decyl Alcohol EO/PO
  • Oleyl Cetyl Alcohol EO/PO
  • Oleyl Alcohol EO/PO
  • Stearyl Alcohol EO/PO
  • Glycerol based Polyol (Mol. Wt. 4800)
  • Butanol EO/PO Copolymer (random) Mol. Wt. 1450
  • Butanol EO/PO Copolymer (random) Mol Wt. 1650
  • Butanol EO/PO Copolymer (random) Mol. Wt. 4000
  • Aminopolyol (N,N,N,N tetrakis-2-hydroxypropyl ethylenediamine)
  • Bisphenol A-2 Mole PO

  • Castor Oil EO/PO
  • Nonyl Phenol EO/PO
  • Polyoxyethylene Polyoxypropylene (30) polymer, 40% EO (L-64 equivalent)
  • Polyoxyethylene Polyoxypropylene (30) polymer, 10% EO (L-61 equivalent)
  • Polyoxyethylene Polyoxypropylene (30) polymer, 20% EO (L-62 equivalent)
  • Polyoxyethylene Polyoxypropylene (39) polymer, 40% EO (P-84 equivalent)
  • Polyoxyethylene Polyoxypropylene (39) Polymer, 50% EO (P - 85 Equivalent)
  • Polyoxyethylene Polyoxypropylene Polymer Mol.Wt. 3150 (25 R2 Equivalent)
  • Polyoxyethylene Polyoxypropylene Polymer Mol.Wt. 2150 (17 R2 Equivalent)
  • Polyoxyethylene Polyoxypropylene (56) Polymer, 80% EO (L-68 Equivalent)
  • Polyoxyethylene Polyoxypropylene (30) Polymer, 80% EO (F-108 Equivalent)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 3800 (L-101 Equivalent)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 1100 (L-31)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 5000 (F-38)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 2200 (L-44)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 2750 (L-81)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 2650 (17R4)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 3600 (25R4)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 7700 (F-87)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 12600 (F-127)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 4600 (P-94)
  • Polyoxyethylene Polyoxypropylene Polymer, Mol Wt 10800 (F-88)

Related CAS Numbers

EOPO BLOCK COPOLYMERS CAS 9003-11-6
TRIDECYL ALCOHOL EO/PO CAS 61725-89-1
LAURYL ALCOHOL EO/PO CAS 68439-51-0
BUTYL POLYALKYLENE GLYCOLPOLYMERS CAS 9003-11-6
LOW FOAM SURFACTANT CAS 9003-11-6
ALKALI STABLE SURFACTANT CAS 9003-11-6
ALKYL CAPPED SURFACTANTS CAS 9003-11-6
METHYL CAPPED SURFACTANT CAS 9003-11-6
END CAPPED LOW FOAMING PRODUCT (CLEANING AGENTS) CAS 9003-11-6
DEFOAMERS & DEMULSIFIERS CAS 9003-11-6
DISPERSING AGENT CAS 9003-11-6
CORROSION INHIBITORS CAS 9003-11-6
CONCRETE ADDITIVES CAS 9003-11-6
METAL COMPLEXING AGENT CAS 9003-11-6
BRIGHTENER ADDITIVE CAS 9003-11-6
LUBRICANT IN SYNTHETIC FLUID CAS 9003-11-6
LUBRICANTS & LUBRICANT ADDITIVES CAS 9003-11-6
REACTIVE MONOMER CAS 9003-11-6

Related Products & Pages

Related Products

What is ethoxylation of alcohol?
Propoxylates
End Capped Low Foaming Product (Cleaning Agents)
Emulsification Emulsifier
Low foam surfactant

Frequently Asked Questions

Find answers to common questions about our products and services

EO/PO block copolymers are polyoxyethylene–polyoxypropylene block copolymers (e.g., EO-PO-EO) used as non-ionic surfactants, emulsifiers and stabilizers with tunable hydrophilic–lipophilic balance. CAS 9003-11-6.

Venus Ethoxyethers manufactures EO/PO block copolymers (low foam surfactants, defoamers) in India. We supply for industrial cleaners, paper, textile, and personal care. Request a quote.

They are used in detergents, industrial cleaners, personal care, pigment dispersion, textile processing, and as formulation aids for wetting, solubilization and low-foaming applications.

Select a grade based on molecular weight, EO/PO ratio (hydrophilicity), cloud point, and end‑group chemistry. Provide application details to our technical team and we will recommend suitable grades and provide samples, SDS, and TDS.

Biodegradability and safety depend on the specific chemistry and end groups. Many EO/PO polymers are readily biodegradable, but please consult the SDS for the specific grade for regulatory and safety guidance.

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