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Chemical Name:
g0;G 0;HMI;G-o;Azepan;AZAPINE;cp18407;NSC 16236;G-0【amine】;HOMOPIPERIDINE
Molecular Formula:
Formula Weight:
MOL File:

Hexamethyleneimine Properties

Melting point:
Boiling point:
138 °C749 mm Hg(lit.)
0.88 g/mL at 25 °C(lit.)
vapor pressure 
7.4 mm Hg ( 21.1 °C)
refractive index 
n20/D 1.466(lit.)
Flash point:
65 °F
storage temp. 
Poison room
Clear colorless to light yellow
explosive limit
Water Solubility 
CAS DataBase Reference
111-49-9(CAS DataBase Reference)
NIST Chemistry Reference
1H-Azepine, hexahydro-(111-49-9)
EPA Substance Registry System
1H-Azepine, hexahydro-(111-49-9)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,T+,F
Risk Statements  10-20-25-34-28-11
Safety Statements  26-36/37/39-45-28A-16-1
RIDADR  UN 2493 3/PG 2
WGK Germany  3
RTECS  CM3150000
Autoignition Temperature 255 °C
HS Code  2933 99 80
HazardClass  3
PackingGroup  II
Hazardous Substances Data 111-49-9(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 410 mg/kg
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, 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
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310 IF SWALLOWED: 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.

Hexamethyleneimine price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich H10401 Hexamethyleneimine 99% 111-49-9 25ml $14.2 2018-11-13 Buy
Sigma-Aldrich H10401 Hexamethyleneimine 99% 111-49-9 100ml $20.7 2018-11-13 Buy
Alfa Aesar B24007 Hexamethyleneimine, 98+% 111-49-9 500ml $36.4 2018-11-13 Buy
Alfa Aesar B24007 Hexamethyleneimine, 98+% 111-49-9 100ml $20.3 2018-11-13 Buy
Sigma-Aldrich H10401 Hexamethyleneimine 99% 111-49-9 500ml $36.8 2018-11-13 Buy

Hexamethyleneimine Chemical Properties,Uses,Production

Chemical Properties

clear colorless to light yellow liquid


A degradation product of herbicide Molinate in pot soil and rice plants.


ChEBI: An azacycloalkane that is cycloheptane in which one of the carbon atoms is replaced by a nitrogen atom.

General Description

A colorless liquid with an ammonia-like odor. Flash point 65°F. Toxic by ingestion. Corrosive to metals and tissue. Combustion produces toxic oxides of nitrogen.

Air & Water Reactions

Highly flammable. Soluble in water.

Reactivity Profile

Hexamethyleneimine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides.


Toxic by ingestion, strong irritant to tissue.

Health Hazard

Inhalation of vapor irritates respiratory tract; high concentrations may cause disturbance of the central nervous system. Ingestion causes burns of mouth and stomach. Contact with concentrated vapor may cause severe eye injury. Contact with liquid causes burns of eyes and skin.

Purification Methods

Purify azepane by dissolving in Et2O and adding ethanolic HCl until all the base separates as the white hydrochloride, filter, wash with Et2O and dry it (m 236o). The salt is dissolved in the minimum volume of H2O and basified to pH ~ 14 with 10N KOH. The solution is extracted with Et2O, the extract is dried over KOH, evaporated and distilled. The free base is a FLAMMABLE and TOXIC liquid, and best kept as the salt. The nitrate has m 120-123o, the picrate has m 145-147o, and the tosylate has m 76.5o (ligroin). [Müller & Sauerwald Monatsh Chem 48 727 1027, Hjelt & Agback Acta Chem Scand 18 194 1964, Beilstein 20 II 1406, 20 III/IV 1406, 20/4 V 3.]

Hexamethyleneimine Preparation Products And Raw materials

Raw materials

Preparation Products

Hexamethyleneimine Suppliers

Global( 109)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
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Mainchem Co., Ltd.
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021-67582001/03/05 China 30308 84
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Hexamethyleneimine Spectrum

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