Hexamethyleneimine
[CAS# 111-49-9]

Identification

• Name: Hexamethyleneimine
• Synonyms: HMI; Homopiperidine; Hexahydro-1H-azepine
• Molecular Formula: C₆H₁₃N
• Molecular Weight: 99.17
• CAS Registry Number: 111-49-9
• EC Number: 203-875-9

Properties

• Density: 0.88
• Melting point: -37 ºC
• Boiling point: 138 ºC
• Refractive index: 1.465-1.467
• Flash point: 18 ºC
• Water solubility: soluble

Safety Data

• Hazard Symbols: F;T+
• Risk Codes: R11;R20;R28;R34
• Safety Description: S1;S16;S28A;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Flammable liquids	Flam. Liq.	3	H226
Flammable liquids	Flam. Liq.	2	H225
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	2	H300
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin corrosion	Skin Corr.	1C	H314
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - single exposure	STOT SE	1	H335

• Transport Information: UN 2493