Cyanoacetohydrazide
Also known as: Cyanoacetic hydrazide, Cyanoacetic Acid Hydrazide, Cyanoacetylhydrazine, 2-Cyanoacetohydrazide, Cyacetacide, Cyazide, Armazal, Benecid, Cianazil, Dictycide, Dictyzide, Hidacian, Leandin, Mackreazid, Neohydrazid, Reazid, Reacid, Helmox, Malononitrile hydrazide, α-Cyanoacetohydrazide
Cyanoacetohydrazide (CAS 140-87-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H5N3O and a molecular weight of 99.091 g/mol. Key properties include a melting point of 108-110 °C(lit.), a boiling point of 405.6±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 199.1±24.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 140-87-4
- Jingsj CID
- J-1961268-1
- Molecular Formula
- C3H5N3O
- Molecular Weight
- 99.091 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 108-110 °C(lit.) |
|---|---|
| Boiling Point | 405.6±28.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 199.1±24.0 °C |
| Exact Mass | 99.043259 |
| PSA | 78.91000 |
| LogP | -2.16 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.480 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Cyanoacetohydrazide?
The CAS number of Cyanoacetohydrazide is 140-87-4.
What are the molecular formula and molecular weight of Cyanoacetohydrazide?
Cyanoacetohydrazide has molecular formula C3H5N3O and molecular weight 99.091 g/mol.
Is Cyanoacetohydrazide hazardous?
Cyanoacetohydrazide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of Cyanoacetohydrazide?
For Cyanoacetohydrazide, Upstream Products: Ethyl cyanoacetate, Methyl cyanoacetate; Downstream Products: 1-Cyanoacetyl-3,5-dimethylpyrazole, Malonic acid, Ammonia.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyanoacetohydrazide (CAS 140-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961268-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.