2,2-Dimethyl-1,3-propanediamine
Also known as: 1,3-Propanediamine, 2,2-dimethyl-, 1,3-Diamino-2,2-dimethylpropane, 2,2-Dimethyl-1,3-diaminopropane, 2,2-Dimethylpropylenediamine, 2,2-Dimethyltrimethylenediamine, 2,2-dimethylpropane-1,3-diamine, Neopentanediamine, Neopentadiamine
2,2-Dimethyl-1,3-propanediamine (CAS 7328-91-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H14N2 and a molecular weight of 102.178 g/mol. Key properties include a melting point of 29-31 °C(lit.), a boiling point of 150.4±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 47.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and 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.
- 7328-91-8
- Jingsj CID
- J-1965451-4
- Molecular Formula
- C5H14N2
- Molecular Weight
- 102.178 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 29-31 °C(lit.) |
|---|---|
| Boiling Point | 150.4±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 47.2±0.0 °C |
| Exact Mass | 102.115700 |
| PSA | 52.04000 |
| LogP | -0.73 |
| Vapor Pressure | 3.9±0.3 mmHg at 25°C |
| Refractive Index | 1.457 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- 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 2,2-Dimethyl-1,3-propanediamine?
The CAS number of 2,2-Dimethyl-1,3-propanediamine is 7328-91-8.
What are the molecular formula and molecular weight of 2,2-Dimethyl-1,3-propanediamine?
2,2-Dimethyl-1,3-propanediamine has molecular formula C5H14N2 and molecular weight 102.178 g/mol.
Is 2,2-Dimethyl-1,3-propanediamine hazardous?
2,2-Dimethyl-1,3-propanediamine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,2-Dimethyl-1,3-propanediamine?
For 2,2-Dimethyl-1,3-propanediamine, Upstream Products: Neopentyl glycol, Dimethylmalonyl dichloride, 2,2-Dimethylmalonic acid; Downstream Products: tert-Butyl (3-amino-2,2-dimethylpropyl)carbamate, N1,N1,N3,N3,2,2-hexamethylpropane-1,3-diamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2-Dimethyl-1,3-propanediamine (CAS 7328-91-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1965451-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.