1,7-Heptanediamine
[CAS# 646-19-5]

Identification

• Classification: Chemical reagent >> Organic reagent >> Polyamine
• Name: 1,7-Heptanediamine
• Synonyms: 1,7-Diamino-n-heptane; 1,7-Diaminoheptane; 1,7-Heptamethylenediamine; 1,9-Diazanonane; Heptamethylenediamine; NSC 45777; alpha,omega-Heptanediamine
• Molecular Formula: C₇H₁₈N₂
• Molecular Weight: 130.23
• CAS Registry Number: 646-19-5
• EC Number: 211-468-2

Properties

• Solubility: Soluble (60 g/L) (25 ºC), Calc.^*
• Density: 0.859±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 205-206 ºC^**
• Boiling point: 224 ºC^***
• Flash point: 87.8±0.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Rice, Leonard M.; US 3161619 1964.

^*** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

• Hazard Symbols: C
• Risk Codes: R34
• Safety Description: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1C	H314

• Transport Information: UN 3259PSN2 8 / PGII