1,7-Diaminoheptane
Also known as: 1,7-Heptanediamine, Heptamethylenediamine, heptane-1,7-diamine, 1,7-Diaminoheptane
1,7-Diaminoheptane (CAS 646-19-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H18N2 and a molecular weight of 130.231 g/mol. Key properties include a melting point of 26-29 °C(lit.), a boiling point of 224.0±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 87.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 646-19-5
- Jingsj CID
- J-49928-5
- Molecular Formula
- C7H18N2
- Molecular Weight
- 130.231 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 26-29 °C(lit.) |
|---|---|
| Boiling Point | 224.0±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 87.8±0.0 °C |
| Exact Mass | 130.147003 |
| PSA | 52.04000 |
| LogP | 0.57 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.461 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2921290000 |
|---|---|
| Summary | 2921290000 other acyclic polyamines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,7-Diaminoheptane?
The CAS number of 1,7-Diaminoheptane is 646-19-5.
What are the molecular formula and molecular weight of 1,7-Diaminoheptane?
1,7-Diaminoheptane has molecular formula C7H18N2 and molecular weight 130.231 g/mol.
Is 1,7-Diaminoheptane hazardous?
1,7-Diaminoheptane has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1,7-Diaminoheptane?
For 1,7-Diaminoheptane, Upstream Products: 1,5-Dicyanopentane, 1,6-Heptadiene, Azelaic acid; Downstream Products: tert-Butyl (7-aminoheptyl)carbamate, 1,7-dichloroheptane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,7-Diaminoheptane (CAS 646-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49928-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.