1-chloro-4-hydrazinylphthalazine
Also known as: 1-chloro-4-hydrazinophthalazine, 4-chloro-1-hydrazinophthalazine, 1-(4-chlorophthalazin-1-yl)hydrazine, 1-chloro-4-hydrazineylphthalazine, AKOS BBS-00002548, AURORA KA-6764, CHEMBRDG-BB 4004788
1-chloro-4-hydrazinylphthalazine (CAS 51935-42-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN4 and a molecular weight of 194.62100 g/mol. Key properties include a boiling point of 517.8ºC at 760 mmHg, a density of 1.513g/cm3 and a flash point of 267ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51935-42-3
- Jingsj CID
- J-1512055-5
- Molecular Formula
- C8H7ClN4
- Molecular Weight
- 194.62100 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 517.8ºC at 760 mmHg |
|---|---|
| Density | 1.513g/cm3 |
| Flash Point | 267ºC |
| Exact Mass | 194.03600 |
| PSA | 63.83000 |
| LogP | 2.34210 |
| Refractive Index | 1.774 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-chloro-4-hydrazinylphthalazine?
The CAS number of 1-chloro-4-hydrazinylphthalazine is 51935-42-3.
What are the molecular formula and molecular weight of 1-chloro-4-hydrazinylphthalazine?
1-chloro-4-hydrazinylphthalazine has molecular formula C8H7ClN4 and molecular weight 194.62100 g/mol.
What are the upstream and downstream products of 1-chloro-4-hydrazinylphthalazine?
For 1-chloro-4-hydrazinylphthalazine, Upstream Products: 1,4-Dichlorophthalazine, Phthalhydrazide, Phthalic anhydride; Downstream Products: Dihydralazine, 1-chloro-4-methoxyphthalazine, 3-(5-Methylisoxazol-3-yl)-6-[(1-methyl-1H-1,2,3-triazol-4-yl)methoxy][1,2,4]triazolo[3,4-a]phthalazine.
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-chloro-4-hydrazinylphthalazine (CAS 51935-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512055-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.