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Chemical Name:
HMDA;NSC 9257;NCI-C61405;H2N(CH2)6NH2;1,6-heximine;HEXANEDIAMINE;Hexylenediamine;1,6-diamino-hexan;1,6-Diaminlhexane;1,6-DIAMINOHEXANE
Molecular Formula:
Formula Weight:
MOL File:

1,6-HEXANEDIAMINE Properties

Melting point:
42-45 °C(lit.)
Boiling point:
204-205 °C
0.89 g/mL at 25 °C(lit.)
vapor density 
4 (vs air)
vapor pressure 
0.25 hPa (20 °C)
refractive index 
n20/D 1.439(lit.)
Flash point:
201 °F
storage temp. 
alcohol: soluble(lit.)
11.857(at 0℃)
White, may discolor during storage
12.4 (100g/l, H2O, 25℃)
explosive limit
Water Solubility 
490 g/L (20 ºC)
Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, organic materials.
CAS DataBase Reference
124-09-4(CAS DataBase Reference)
NIST Chemistry Reference
EPA Substance Registry System
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  C
Risk Statements  34-37-21/22-20/21/22
Safety Statements  26-36/37/39-45-22-27
RIDADR  UN 2735 8/PG 3
WGK Germany  3
RTECS  MO1180000
Autoignition Temperature 305 °C
HS Code  2921 22 00
HazardClass  8
PackingGroup  III
Hazardous Substances Data 124-09-4(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 850 mg/kg LD50 dermal Rabbit 1110 mg/kg
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P309 IF exposed or if you feel unwell:
P310 Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P501 Dispose of contents/container to..…

1,6-HEXANEDIAMINE price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 422002 Hexamethylenediamine technical grade, 70% 124-09-4 1l $59.3 2018-11-13 Buy
Sigma-Aldrich 422002 Hexamethylenediamine technical grade, 70% 124-09-4 2.5l $132 2018-11-13 Buy
TCI Chemical D0095 1,6-Diaminohexane >99.0%(GC)(T) 124-09-4 25g $20 2018-11-22 Buy
TCI Chemical D0095 1,6-Diaminohexane >99.0%(GC)(T) 124-09-4 500g $61 2018-11-22 Buy
Alfa Aesar A14212 1,6-Diaminohexane, 98+% 124-09-4 100g $17.7 2018-11-13 Buy

1,6-HEXANEDIAMINE Chemical Properties,Uses,Production

Chemical Properties

White to cream solid

Chemical Properties

HMDA is a hygroscopic, colorless solid (pellets or flakes). Weak, fishy odor.


Formation of high polymers, e.g., nylon 66.


ChEBI: A C6 alkane-alpha,omega-diamine.

General Description

A clear colorless liquid. Burns although some effort is required to ignite. Soluble in water. Corrosive to metals and tissue. Produces toxic oxides of nitrogen during combustion. Used to make nylon.

Air & Water Reactions

Water soluble.

Reactivity Profile

HEXAMETHYLENEDIAMINE is hygroscopic. Can react with strong oxidizing materials. Incompatible with acids, acid chlorides and acid anhydrides. Also incompatible with ketones, aldehydes, nitrates, phenols, isocyanates, monomers and chlorinated compounds .


Toxic by ingestion, strong irritant to tissue. Combustible.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.

Contact allergens

Hexamethylenediamine is used with adipic acid in the synthesis of polyamide plastics.

Potential Exposure

HMDA is used as a textile intermedi ate; a raw material for nylon fiber and plastics; in wet strength resins; in the manufacture of oil-modified and moisture-area types of urethane coatings; in the manufac ture of polyamides for printing inks, dimer acids, and tex tiles; and as an oil and lubricant additive (probably as a corrosion inhibitor); as boiler feed water additives; also used in paints and as a curing agent for epoxy resins; mak ing adhesives.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, includ ing resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medi cal attention. If convulsions are not present, give a glass or two of water or milk to dilute the substance. Do not induce vomiting. Assure that the person’s airway is unobstructed and contact a hospital or poison center immediately for advice on whether or not to induce vomiting. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.


UN2280 Hexamethylenediamine, solid, Hazard class: 8; Labels: 8-Corrosive material. UN1783 Hexamethylenediamine, solution, Hazard class: 8; Labels: 8-Corrosive material.

Purification Methods

Crystallise it in a stream of nitrogen. It sublimes in a vacuum. [Beilstein 4 IV 1320.]


May form explosive mixture with air. The aqueous solution is a strong base and a strong reducing agent. Reacts violently with oxidizers, acids, acid chlorides; acid anhydrides; carbon dioxide acids. Reacts on contact with water forming carbon dioxide. Polymermizes in temperatures >195℃.Reacts with ethylene dichloride, organic anhy drides, isocyanates, vinyl acetate, acrylates, substituted allyls, alkylene oxides, epichlorohydrin, ketones, aldehydes, alco hols, glycols, phenols, cresols, caprolactum solution. Attacks aluminum, copper, lead, tin, zinc and alloys. Absorbs carbon dioxide and water from air. Store under Nitrogen.

Waste Disposal

Incineration; incinerator equipped with a scrubber or thermal unit to reduce nitrogen oxides emissions.

1,6-HEXANEDIAMINE Preparation Products And Raw materials

Raw materials

Preparation Products


Global( 206)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
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Mainchem Co., Ltd.
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Kono Chem Co., Ltd
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Nanjing Lanbai Chemical Co., Ltd. +86 (25) 8549-9326,8549-9316,15366059326 13813836665
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