What is Hexamethylenediamine
Analysts Sentiment
Bullish
28.6%
Neutral
44.6%
Bearish
26.8%
What's driving sentiment this week:
Past Week (2026-06-01 to 2026-06-07) — Sentiment: Neutral
OPEC+ announced a symbolic 188k bpd production increase for July on June 7, maintaining crude oil supply balance and exerting negligible pressure on upstream feedstock costs for hexamethylenediamine.
The OPEC/JMMC Ministerial Meeting reaffirmed cohesion to support stable industrial demand, sustaining steady consumption signals for nylon and polyamide sectors reliant on HMDA.
High-level OPEC+ coordination confirmed market stability on June 7, limiting energy cost volatility and supporting HMDA production economics without inducing disruption.
This Week (2026-06-08 to 2026-06-14) — Outlook: Neutral
Market conditions for hexamethylenediamine remain rangebound, supported by steady upstream feed stability and balanced downstream demand.
No major scheduled events this week are expected to materially shift crude oil or HMDA feedstock availability or demand patterns.
A sudden geopolitical supply shock or deviation from OPEC+ production discipline would rapidly tip market sentiment bearish, pressuring margins and prices.
Key Market Impact
Hexamethylenediamine prices and margins are primarily anchored by the stable upstream crude oil market with no significant supply tightening or demand acceleration.
Buyers and producers are maintaining balanced inventories and cautious procurement, awaiting clear directional signals before repositioning exposure.
How About the Price?
Price Trajectory 2020–2026 (Brief Recap)
Phase 1 — Stable pricing (2020): No recorded influences or events, price remained steady at $2450 in January 2020.
Phase 2 — Minor price increase (2026): Without influence data to explain, price slightly rose to $2460 by May 2026.
Supply-side factors
Demand-side factors
Substitutes & Alternatives
| Substitute | Replacement Scenario / How It Substitutes |
|---|---|
| 1,5-Pentanediamine (Cadaverine) | Can replace HMDA as a diamine monomer in polyamide synthesis, producing nylon-5,6 or nylon-5,10 instead of nylon-6,6. Offers bio-based sourcing (from lysine fermentation). Requires reformulation of the polyamide; not a drop-in replacement. Used where bio-based or partially bio-based polymers are targeted. |
| 1,4-Butanediamine (Putrescine) | Used as a diamine monomer to produce nylon-4,6 (with adipic acid) or other polyamides. Nylon-4,6 has a higher melting point than nylon-6,6 and is used in high-temperature engineering applications. Requires complete reformulation; not interchangeable with HMDA in existing nylon-6,6 processes. |
| 1,10-Decanediamine (Decamethylenediamine) | Replaces HMDA in the synthesis of longer-chain polyamides such as nylon-6,10 or nylon-10,10, which offer lower moisture absorption and better chemical resistance. Used in specialty engineering plastics and coatings where these properties are prioritized over the cost advantage of nylon-6,6. |
| Isophorone Diamine (IPDA) | Replaces HMDA as a curing agent for epoxy resins in coatings, adhesives, and composites. IPDA provides slower reactivity and better UV resistance than HMDA-cured systems. It is a partial or full substitute in epoxy formulations where pot life, flexibility, or outdoor durability requirements differ from those met by HMDA. |
| 4,4'-Methylenedianiline (MDA) / 4,4'-Methylenebis(cyclohexylamine) (HMDA analog) | Aromatic or cycloaliphatic diamines used as epoxy curing agents and polyurethane chain extenders in applications where higher rigidity, heat resistance, or specific mechanical properties are needed. They substitute for HMDA in high-performance thermoset systems but are not suitable for melt-spun nylon fiber production. |
| Ethylenediamine (EDA) | Replaces HMDA as a curing agent for epoxy resins in lower-performance or cost-sensitive applications. EDA is more reactive and gives harder, more brittle cured systems. It can partially substitute HMDA in corrosion inhibitor formulations and as a chemical intermediate, but is not suitable as a nylon-6,6 monomer due to the different chain length. |
| Caprolactam (for nylon-6) | Not a direct chemical substitute for HMDA, but nylon-6 (produced from caprolactam alone via ring-opening polymerization) is the primary commercial alternative to nylon-6,6 in fiber, film, and engineering plastics applications. Converters may switch between nylon-6 and nylon-6,6 based on price, availability, and performance requirements, effectively reducing demand for HMDA when nylon-6 is preferred. |
Regulatory Status
| Region | Regulation / Policy Name | Issuing Authority | Year (enacted or latest revision) | Key Requirement / Threshold | Source |
|---|---|---|---|---|---|
| EU | REACH Regulation (EC) No 1907/2006 (CLP Regulation (EC) No 1272/2008) | ECHA | 2007 (updated CLP 2008, current as of 2026) | Registered; Index CLP 612-104-00-9; GHS Acute Tox. 4 (oral H302, dermal H312); Skin Corr. 1B (H314); Eye Dam. 1 (H318); STOT SE 3 (H335); no harmonised aquatic classification | ECHA CHEM (https://chem.echa.europa.eu/100.004.255/overview); Carl Roth SDS (acc. to REACH) |
| US | TSCA Chemical Substance Inventory | EPA | 1976 (inventory listing) | Listed on TSCA Inventory | EPA TSCA Chemical Substance Inventory (https://www.epa.gov/tsca-inventory) |
| Global | UN Model Regulations / ADR / RID / IMDG / ICAO-TI (transport classification) | UN (via national authorities) | Current (UN 2280) | UN 2280, HEXAMETHYLENEDIAMINE, SOLID, Class 8, PG III | UN Recommendations on the Transport of Dangerous Goods / Carl Roth SDS |
| China | MEE Discharge Standards for Water Pollutants (no specific HMDA entry) | Ministry of Ecology and Environment (MEE) | Various (textile/dyeing standards apply; no HMDA-specific) | Compliance with general effluent limits for Nylon 6,6 production facilities (no numerical threshold published) | MEE official standards (https://english.mee.gov.cn/Resources/standards/water_environment/Discharge_standard/201301/t20130107_244749.shtml) |
| US | USITC / Commerce Trade Cases | USITC | 2025 (ongoing) | No anti-dumping or tariff measures identified for Hexamethylenediamine or Nylon 6,6 intermediates | USITC (https://www.usitc.gov/keywords/antidumping); trade.gov |
| EU | EU Trade Policy / Anti-dumping | European Commission | Ongoing (no duties 2025-2026) | No anti-dumping duties or tariffs on Hexamethylenediamine or polyamide intermediates | European Commission Trade Policy |
Key Influence Events
Hexamethylenediamine (HMDA), also known as 1,6-hexanediamine or 1,6-diaminohexane, is a linear aliphatic diamine with the molecular formula H2N(CH2)6NH2 and CAS number 124-09-4. It is a colorless to slightly yellow solid or liquid (melting point ~42°C) with a strong amine odor. HMDA is one of the most commercially important diamines in the chemical industry, produced on a multi-million-tonne scale annually. Its primary use is as a co-monomer with adipic acid to produce nylon-6,6 (polyamide 6,6), which accounts for the vast majority of global consumption. It is also used to manufacture polyurethanes, epoxy curing agents, corrosion inhibitors, and various specialty chemicals.
Top Countries Production Capacity
Production Process of Hexamethylenediamine
Hexamethylenediamine (HMDA), also known as 1,6-hexanediamine or 1,6-diaminohexane, is a linear aliphatic diamine with the molecular formula H2N(CH2)6NH2 and CAS number 124-09-4. It is a colorless to slightly yellow solid or liquid (melting point ~42°C) with a strong amine odor. HMDA is one of the most commercially important diamines in the chemical industry, produced on a multi-million-tonne scale annually. Its primary use is as a co-monomer with adipic acid to produce nylon-6,6 (polyamide 6,6), which accounts for the vast majority of global consumption. It is also used to manufacture polyurethanes, epoxy curing agents, corrosion inhibitors, and various specialty chemicals.
Specs & Grades
| Property | Typical Value / Range | Unit | Grade / Note |
|---|---|---|---|
| Purity (HMDA content) | ≥99.5 | wt% | Commercial / Polymer grade |
| Purity (HMDA content) | ≥98.0 | wt% | Technical grade |
| Color (APHA) | ≤10 | APHA units | Polymer grade |
| Color (APHA) | ≤30 | APHA units | Technical grade |
| Water content | ≤0.1 | wt% | Polymer grade |
| Water content | ≤0.5 | wt% | Technical grade |
| Melting point | 41–42 | °C | All grades |
| Boiling point | 204–205 | °C at 1 atm | All grades |
| Density (liquid, 50°C) | ~0.840 | g/cm³ | All grades |
| Amine value | 960–970 | mg KOH/g | Polymer grade |
| Cyclic impurities (e.g. azacycloheptane) | ≤0.05 | wt% | Polymer grade |
| Iron content | ≤1 | ppm | Polymer grade |
| Appearance | Clear, colorless to pale yellow liquid (above MP) | — | All grades |
Who are the Top Players?
| Company | Headquarters | Key Facilities |
|---|---|---|
| BASF | Ludwigshafen, Germany | Chalampé, France |
| Ascend Performance Materials | Houston, Texas, USA | Decatur, AL, Pensacola, FL |
| Invista | Wichita, Kansas, USA | Orange, TX |
| RadiciGroup | Gandino, Italy | Novara, Italy, Zeitz, Germany |
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