- ▸ Polyurea elastomers: Long-chain soft-segment amine for spray polyurea coatings and linings.
- ▸ Polyurethane elastomers: Soft-segment amine for flexible polyurethane systems.
- ▸ Epoxy flexibilizer: Toughening flexibilizer for epoxy formulations.
- ▸ Technical Data Sheet (TDS) PDF · TDS
- ▸ Typical Certificate of Analysis (CoA) PDF · COA
Values shown are typical for the current commercial grade. A lot-specific Certificate of Analysis accompanies every shipment; the grade-specific SDS is available on request.
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →
Polyoxypropylenediamine is a difunctional polyether amine epoxy hardener — a poly(propylene glycol)-backbone amine giving flexibility, toughness and very low color, with an approximate molecular weight of ~2000. Identity: CAS 9046-10-0.
What it is
This product is a grade-defined difunctional amine-terminated poly(propylene glycol). As a polymer it is specified by grade and approximate molecular weight (~2000) rather than a single value.
How it cures
Its terminal primary amines ring-open epoxide groups; the flexible polyether backbone builds toughness, flexibility and impact/thermal-shock resistance with very low color and good water resistance. Higher molecular weight gives more flexibility, lower crosslink density and longer pot life.
Applications
Polyoxypropylenediamine (Mn ≈ 2000) is used in flexibilizing epoxy, elastomers, sealants and toughened adhesives. Compare other grades: polyoxypropylenediamine ~230 MW (rigid), polyoxypropylenediamine ~2000 MW (flexible) and trifunctional polyoxypropylenetriamine ~5000 MW.
Forms, grades and handling
Supplied as a clear liquid in drums, IBCs and bulk; grade is defined by molecular weight and functionality. Properties are typical reference values; the Certificate of Analysis (CoA) for the lot you buy governs. Amine curing agents are typically corrosive and can sensitize skin — handle per the current Safety Data Sheet (SDS). Each lot ships with CoA, TDS and SDS.
Bulk supply and RFQ
RawSource sources polyoxypropylenediamine (Mn ≈ 2000) direct from producers in bulk, with CoA, TDS and SDS per lot. Tell us your resin system, cure schedule (ambient or heat) and the properties you need (pot life, Tg, flexibility, chemical resistance), and we will quote the right hardener. See selection logic in the epoxy curing agents guide.
Typical Properties
Typical reference values, not a specification; the Certificate of Analysis (CoA) for the lot governs.
| Property | Typical Value |
|---|---|
| Chemical / class | Polyetheramine (difunctional) |
| Cure role | Flexible epoxy hardener; low color |
| CAS Number | 9046-10-0 |
| Approx. molecular weight | ~2000 g/mol (grade-defined) |
| Handling | Refer to the current SDS |
Regulatory & registration requirements
- TSCA (US):
- REACH (EU):
- EC number: 618-561-0
TSCA Inventory flag XU: a substance exempt from reporting under the Chemical Data Reporting Rule (40 CFR 711) (EPA flag legend).
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Frequently Asked Questions
What is polyoxypropylenediamine (Mn ≈ 2000) used for?
Polyoxypropylenediamine is a difunctional polyether amine epoxy hardener (~2000 MW) used in flexibilizing epoxy, elastomers, sealants and toughened adhesives; it gives flexibility, toughness and low color.
How is bulk polyoxypropylenediamine (Mn ≈ 2000) supplied and quoted?
RawSource supplies polyoxypropylenediamine (Mn ≈ 2000) in bulk with CoA, TDS and SDS per lot. Pricing is quote-based on grade and volume; submit an RFQ with your resin system and cure schedule.
What is the REACH and TSCA regulatory status of polyoxypropylenediamine (Mn ≈ 2000)?
Polyoxypropylenediamine (Mn ≈ 2000, CAS 9046-10-0) is subject to U.S. TSCA Inventory requirements; supplying it into the EU requires valid REACH registration ((EC) No 1907/2006). RawSource cannot verify a third-party supplier's registrations — buyers should require documented TSCA and REACH compliance for their jurisdiction and volume (EC 618-561-0).