Tri(propylene glycol) propyl ether, mixture of isomers
Tri(propylene glycol) propyl ether (CAS: 96077-04-2) is a mixture of isomers with the linear formula CH3CH2CH2O(C3H6O)2C3H6OH and a molecular weight of 234.33 g/mol. This hydrophobic polymer functions as a versatile cosolvent, primarily used in water-based coating and cleaner formulations. Its chemical properties make it suitable for various industrial applications where solvency and compatibility are key requirements.
- Synonyms
- CH3CH2CH2O(C3H6O)2C3H6OH

Cosolvent in Coatings
Utilised as a cosolvent in water-based coating systems. It aids in improving the solubility of resins and enhances film formation properties.
Cleaning Formulations
Incorporated into various cleaning product formulations. Its hydrophobic nature helps in dissolving oily or greasy residues, making it effective in degreasing applications.
Polymer Science Applications
Serves as a component in polymer science, particularly in the development and modification of hydrophobic polymers. Useful in material science research.
| Molecular weight | 234.33 |
|---|---|
| Linear formula | CH3CH2CH2O(C3H6O)2C3H6OH |
| Assay | 97% |
| Boiling point | 261 °C(lit.) |
| Density | 0.935 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.43(lit.) |
| Solubility | H2O: soluble |
| Viscosity | 6.3 cP(25 °C)(lit.) |
| Application | Cosolvent in water-based coatings and cleaners. |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tri(propylene glycol) propyl ether used for?
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Tri(propylene glycol) propyl ether is primarily used as a cosolvent in water-based coatings and cleaner formulations. It also finds applications in polymer science and materials science.
What are the CAS number and formula for Tri(propylene glycol) propyl ether?
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The CAS number is 96077-04-2 and the linear formula is CH3CH2CH2O(C3H6O)2C3H6OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tri(propylene glycol) propyl ether with an assay of 97%. We do not represent this product as USP, EP, BP or any other pharmacopoeia grade.
How should Tri(propylene glycol) propyl ether be handled safely?
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This compound is classified with GHS07 and a warning signal word, indicating it causes serious eye irritation (H319). Recommended personal protective equipment includes eyeshields and appropriate gloves. Ensure adequate ventilation and follow precautionary statements P305 + P351 + P338 for eye contact.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Products are packed and shipped according to international regulations and customer requirements. Please contact us for specific shipping and export details.
How can I request a sample or quote?
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To request a sample or a quotation for Tri(propylene glycol) propyl ether, please contact our sales team through the website or by phone. Specify the quantity and your delivery location.
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