Propynol ethoxylate CAS 3973-18-0

Chemical Name: Propynol ethoxylate
CAS No.: 3973-18-0
Molecular Fomula: C5H8O2
Molecular weight: 100.12
Appearance: Colorless to light yellow
Assay: ≥97.0%

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Propynol Ethoxylate CAS 3973-18-0: Technical Guide & Industry Applications

Contents

1. Product Overview & Specifications

Parameter Details
Chemical Name Propynol Ethoxylate
CAS Number 3973-18-0
Molecular Formula C3H6O(C2H4O)n
Molecular Weight Variable (based on EO units)
Appearance Clear to pale yellow liquid
Solubility Water-soluble, compatible with polar solvents
HLB Value 8-14 (adjustable per EO content)
pH (5% solution) 6.0-7.5
Storage Conditions 2-30°C in sealed containers

2. Key Parameters Comparison

EO Units Molecular Weight HLB Typical Applications
5 ~350 g/mol 8-9 Wetting in agrochemicals
10 ~600 g/mol 12-13 Emulsification in coatings
15 ~850 g/mol 13-14 Dispersing in detergents

3. Functional Applications

Core Performance Advantages

  • Superior wetting agent for hard-to-spread surfaces
  • Low-foam dispersion in high-speed processes
  • Thermal stability up to 150°C
  • pH compatibility range: 4-11

Industry-Specific Uses

  • Agrochemicals: Tank-mix adjuvant for herbicides
  • Coatings: Pigment stabilization in water-based paints
  • Textiles: Dye leveling agent for synthetic fibers
  • Cleaning: Low-VOC formula component

4. Usage Scenarios by Industry

Herbicide Formulation (Agriculture)

  • Dosage: 0.2-0.5% in concentrate
  • Benefits: Reduces spray drift by 18-22%
  • Compatibility: Works with glyphosate salts

Latex Paint Production (Coatings)

  • Addition Point: During pigment pre-mix
  • Result: 30% faster dispersion time
  • Storage: Prevents hard settling for 12+ months

5. Verified Client Case Studies

Case 1: AgroGreen Solutions (Thailand)

  • Challenge: Herbicide crystallization in tropical storage
  • Solution: Propynol Ethoxylate-8 at 0.3% formulation
  • Outcome: 98% formulation stability at 35°C

Case 2: TextileMaster Co., Ltd. (Vietnam)

  • Issue: Dye migration in polyester blends
  • Implementation: 1.2g/L in dye bath
  • Result: Colorfastness improved by 40%

6. Request Customized Solutions

Contact our technical team for formulation support:

  • Email: info@vivalr.com
  • Phone: (86) 15866781826

Request free sample or MSDS: [Specify product variant]

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