DYTEK® HMD (hexamethylene diamine) is a highly pure (>99.9%) aliphatic diamine. DYTEK® HMD is used in the production of Nylon polymers, isocyanates, polyamide resins and adhesives. Other applications include water treatment, UV stabilizers, scale and corrosion inhibitors, and petroleum additives. This product is available as an anhydrous that is solid at room temperature and can be shipped as a warm liquid or diluted aqueous solution.
Chemical Name: Hexamethylenediamine
Function: Curing Agent, Stabilizer
CAS Number: 124-09-4
Chemical Family: Amines, Diamines
Synonyms: 1,6-Diaminohexane , 1,6-Diamino-n-hexane , 1,6-Hexamethylenediamine , 1,6-Hexanediamine , 1,6-Hexylenediamine , Diaminohexane , Hexylenediamine , HMDA
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Identification & Functionality
Chemical Name
CASE Ingredients Functions
Fluids & Lubricants Functions
CAS No.
EC No.
Molecular Structure
Applications & Uses
Compatible Polymers & Resins
Applications
- Isocyanates
- Epoxy curing agents
- Petroleum additives
- Polyamide resins, adhesives, inks, fibers
- Scale and corrosion inhibitors
- Water treatment chemicals
Properties
Physical Form
Typical Properties
| Value | Units | Test Method / Conditions | |
| 1,2-Diaminocyclohexane Content | 4 | mpm | - |
| 2-Aminomethylcyclopentylamine Content | 19 | mpm | - |
| 2-Methylpentamethylenediamine Content | 3 | mpm | - |
| Boiling Point (100wt%) | 204 | °C | - |
| Color | 2 | APHA | - |
| Density (at 25°C, 100wt%) | 7.09 | lb/gal | - |
| Density (at 25°C, 70wt%) | 7.74 | lb/gal | - |
| Density (at 25°C, 85wt%) | 7.47 | lb/gal | - |
| Density (at 25°C, 90wt%) | 7.38 | lb/gal | - |
| Flash Point (100wt%) | 85 | °C | COC |
| Flash Point (70wt%) | 116 | °C | COC |
| Flash Point (85wt%) | 107 | °C | COC |
| Flash Point (90wt%) | 102 | °C | COC |
| Freezing Point (100wt%) | 41 | °C | - |
| Freezing Point (70wt%) | 6 | °C | - |
| Freezing Point (85wt%) | 24 | °C | - |
| Freezing Point (90wt%) | 30 | °C | - |
| Heat of Solution in Water (at 43.8°C, 100% HMD) | 8.2 | kcal/mol | - |
| Hexamethylenediamine Content | 60-100 | wt% | - |
| Initial Boiling Point (70wt%) | 111.5 | °C | - |
| Initial Boiling Point (85wt%) | 122.3 | °C | - |
| Initial Boiling Point (90wt%) | 129.5 | °C | - |
| Molecular Weight | 116.2 | - | - |
| pH (5wt% aqueous) | 12.4 | - | - |
| pKa1 (at 25°C) | 11.02 | - | - |
| pKa2 (at 25°C) | 10.24 | - | - |
| Polarographically Reducible Impurities | 8 | mpm | - |
| Solubility in Water (at 30°C, 100% HMD) | 960 | g/100 g | - |
| Specific Gravity (at 25°C, 100wt%) | 0.854 | - | - |
| Specific Gravity (at 25°C, 70wt%) | 0.929 | - | - |
| Specific Gravity (at 25°C, 85wt%) | 0.9 | - | - |
| Specific Gravity (at 25°C, 90wt%) | 0.889 | - | - |
| Vapor Pressure (at 60°C, 100% HMD) | 3 | mmHg | - |
| Water Content | 0.1-40 | wt% | - |
Packaging & Availability
Shipping Information
| DYTEK® HMD Concentration (wt %) | ||||
| Grade | 60*, 70**, 80 | 85 | 85-95 | 100 |
| Shipping Name | Hexamethylenediamine Solution | Hexamethylenediamine Solid | ||
| DOT/IMO Label | Corrosive | Corrosive | ||
| UN Number | 1783 | 2280 | ||
| Packaging Group | II | III | ||
| Hazard Class | 8 | 8 | ||
| Form | Liquid | Solid at 20°C; shipped (bulk) as a warm liquid | ||
| Shipping Weights, lb, net | ||||
| Tank Car | 175,000 | 175,000 | 175,000 | 175,000 |
| Tank Truck | 45,000 | 45,000 | 45,000 | 45,000 |
| Drum | 400 lb/181.44 kg | 400 lb/181.44 kg | Not Available | 380 lb/172.37 kg |
* Only available in Europe.
** Not available in Europe.
Dytek® HMD
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