1,2-Diaminopropane
Also known as: 1,2-Propanediamine, Propylenediamine, 1,2-Propylenediamine, 12AP
1,2-Diaminopropane (CAS 78-90-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H10N2 and a molecular weight of 74.12490 g/mol. Key properties include a melting point of -37ºC, a boiling point of 119-120ºC, a density of 0.87 and a flash point of 33ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78-90-0
- Jingsj CID
- J-28547-6
- Molecular Formula
- C3H10N2
- Molecular Weight
- 74.12490 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -37ºC |
|---|---|
| Boiling Point | 119-120ºC |
| Density | 0.87 |
| Flash Point | 33ºC |
| Exact Mass | 74.08440 |
| PSA | 52.04000 |
| LogP | 0.69290 |
| Additional Property | 2.6 (vs air) |
| Vapor Pressure | 14 mm Hg ( 20 °C) |
| Refractive Index | 1.445-1.447 |
| Additional Property | SOLUBLE |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H311 — Toxic in contact with skin
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 29212900 |
|---|
Frequently Asked Questions
What is the CAS number of 1,2-Diaminopropane?
The CAS number of 1,2-Diaminopropane is 78-90-0.
What are the molecular formula and molecular weight of 1,2-Diaminopropane?
1,2-Diaminopropane has molecular formula C3H10N2 and molecular weight 74.12490 g/mol.
Is 1,2-Diaminopropane hazardous?
1,2-Diaminopropane has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H311 — Toxic in contact with skin.
What are the upstream and downstream products of 1,2-Diaminopropane?
For 1,2-Diaminopropane, Upstream Products: D-Glucose, Sorbitol, sucrose; Downstream Products: N,N-Diphenylformamide, 1,2-Diaminopropane-N,N,N',N'-tetraacetic acid, tert-Butyl (1-aminopropan-2-yl)carbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Diaminopropane (CAS 78-90-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28547-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.