4,5-Diaminophthalonitrile
Also known as: 4,5-Diamino-1,2-benzenedicarbonitrile, 1,2-Benzenedicarbonitrile, 4,5-diamino-, 1,2-Diaminobenzene-4,5-dicarbonitrile, 4,5-Diaminobenzene-1,2-dicarbonitrile, 4,5-Diamino-phthalonitrile, 4,5-DIAMINO-PHTHAL
4,5-Diaminophthalonitrile (CAS 129365-93-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6N4 and a molecular weight of 158.160 g/mol. Key properties include a melting point of 270-276°C, a boiling point of 511.5±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 263.2±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic 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.
- 129365-93-1
- Jingsj CID
- J-1507048-1
- Molecular Formula
- C8H6N4
- Molecular Weight
- 158.160 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270-276°C |
|---|---|
| Boiling Point | 511.5±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 263.2±30.1 °C |
| Exact Mass | 158.059250 |
| PSA | 99.62000 |
| LogP | 1.70 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.659 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 4,5-Diaminophthalonitrile?
The CAS number of 4,5-Diaminophthalonitrile is 129365-93-1.
What are the molecular formula and molecular weight of 4,5-Diaminophthalonitrile?
4,5-Diaminophthalonitrile has molecular formula C8H6N4 and molecular weight 158.160 g/mol.
Is 4,5-Diaminophthalonitrile hazardous?
4,5-Diaminophthalonitrile has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 4,5-Diaminophthalonitrile?
For 4,5-Diaminophthalonitrile, Upstream Products: Copper(I) cyanide, 4,5-Dibromobenzene-1,2-diamine, 1,2-Dibromo-4,5-dinitrobenzene; Downstream Products: 1H-Benzimidazole-5,6-dicarbonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Diaminophthalonitrile (CAS 129365-93-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1507048-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.