Name | 1,6-Hexanediamine |
Synonyms | HMDA NCI-C61405 H2N(CH2)6NH2 Hexylenediamine 1,6-Hexanediamine 1,6-diamino-hexan 1,6-Diaminohexane hexane-1,6-diamine Hexamethylendiamine hexane-1,6-diaminium Hexamethylenediamine cyclohexane diammoniate 1,6-Hexamethylenediamine hexamethylenediamine,solid 6-aminohexan-1-aminium chloride hexamethylenediamine(1,6-hexanediamine) |
CAS | 124-09-4 |
EINECS | 204-679-6 |
InChI | InChI=1/C6H12.2H2N/c1-2-4-6-5-3-1;;/h1-6H2;2*1H3 |
Molecular Formula | C6H16N2 |
Molar Mass | 116.2 |
Density | 0.89g/mLat 25°C(lit.) |
Melting Point | 42-45°C(lit.) |
Boling Point | 204-205°C |
Flash Point | 201°F |
Water Solubility | 490 g/L (20 ºC) |
Solubility | alcohol: soluble(lit.) |
Vapor Presure | 0.25 hPa (20 °C) |
Vapor Density | 4 (vs air) |
Appearance | Solution |
Color | White, may discolor during storage |
Exposure Limit | ACGIH: TWA 0.5 ppm |
Merck | 14,4695 |
BRN | 1098307 |
pKa | 11.857(at 0℃) |
PH | 12.4 (100g/l, H2O, 25℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, organic materials. |
Sensitive | Hygroscopic |
Explosive Limit | 0.9-7.6%(V) |
Refractive Index | n20/D 1.439(lit.) |
Physical and Chemical Properties | White flaky crystals, with ammonia odor. |
Use | Used in organic synthesis and polymerization of high molecular compounds. Mainly used in the production of polyamide, such as nylon 66, Nylon 610, etc.; Also used in the synthesis of diisocyanate; And used as urea-formaldehyde resin, epoxy resin curing agent, organic crosslinking agent. Hexamethylene diamine can be produced from adiponitrile, hexanediol and caprolactam, but almost all processes for the large-scale production of hexamethylene diamine are based on adiponitrile. |
Hazard Symbols | C - Corrosive |
Risk Codes | R34 - Causes burns R37 - Irritating to the respiratory system R21/22 - Harmful in contact with skin and if swallowed. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S22 - Do not breathe dust. S27 - Take off immediately all contaminated clothing. |
UN IDs | UN 2735 8/PG 3 |
WGK Germany | 3 |
RTECS | MO1180000 |
FLUKA BRAND F CODES | 10-34 |
TSCA | Yes |
HS Code | 2921 22 00 |
Hazard Class | 8 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 850 mg/kg LD50 dermal Rabbit 1110 mg/kg |
Raw Materials | 1,6-Hexanediamine |
White Flake Crystal, ammonia odor, flammable. Melting point 41~42 deg C. Boiling Point 204~205 deg C. The relative density was 0. 883. Viscosity (50 ℃)1. 46kPa -s. Refractive index 4498. Flash point 81 °c. Slightly soluble in water: O ℃,lOOmL water dissolved 2.Og, 30 ℃,lOOmL water dissolved 0.85g; Difficult to dissolve in ethanol, ether and benzene. Moisture and carbon dioxide are readily absorbed in the air.
According to the different sources of starting materials used, 1,6-hexamethylene diamine production method at present, the method of hydrogenation of adiponitrile and the method of using adipic acid as raw material are used in industrial production.
This product is mostly used for the synthesis of nylon 66 and 610 resin, also used for the synthesis of polyurethane resin, ion exchange resin and hexylene diisocyanate, also used for the preparation of crosslinking agent, adhesive, aviation coatings, epoxy resin curing agent, rubber vulcanization accelerator, and used as textile and paper industry stabilizer, bleaching agent, aluminum alloy corrosion inhibitor and neoprene emulsifier.