Diaminomaleonitrile
Also known as: (2Z)-2,3-Diaminobut-2-enedinitrile, (2Z)-2,3-Diamino-2-butenedinitrile, 1,2-Diamino-1,2-dicyanoethylene, 1,2-diamino-1,2-ethenedicarbonitrile, 2,3-Diaminomaleodinitrile, 2,3-Diaminomaleonitrile, 2,3-Diamino maleonitrile, 2-Butenedinitrile, 2,3-diamino-, (2Z)-, DAMN, DIAMINOMALEIC ACID DINITRILE, Hydrogen cyanide tetramer
Diaminomaleonitrile (CAS 1187-42-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H4N4 and a molecular weight of 108.101 g/mol. Key properties include a melting point of 178-179 °C(lit.), a boiling point of 444.7±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 222.7±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1187-42-4
- Jingsj CID
- J-9640-9
- Molecular Formula
- C4H4N4
- Molecular Weight
- 108.101 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178-179 °C(lit.) |
|---|---|
| Boiling Point | 444.7±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 222.7±28.7 °C |
| Exact Mass | 108.043594 |
| PSA | 99.62000 |
| LogP | -2.35 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.579 |
| Additional Property | 5 g/L (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diaminomaleonitrile?
The CAS number of Diaminomaleonitrile is 1187-42-4.
What are the molecular formula and molecular weight of Diaminomaleonitrile?
Diaminomaleonitrile has molecular formula C4H4N4 and molecular weight 108.101 g/mol.
Is Diaminomaleonitrile hazardous?
Diaminomaleonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Diaminomaleonitrile?
For Diaminomaleonitrile, Upstream Products: Methyl 4-aminobenzoate, cyanogen; Downstream Products: 2-Ethyl-1H-imidazole-4,5-dicarbonitrile, 4,5-dicyano-2-aminoimidazole, 1,4,5,6-Tetrahydro-5,6-dioxo-2,3-pyrazinedicarbonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diaminomaleonitrile (CAS 1187-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9640-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.