Selenosemicarbazide
氨基硒脲
Also known as: Hydrazinecarboselenoamide, Hydrazinecarboselenoamide (9CI), 3-Selenosemicarbazide, NSC 326387, Selenocarbazidsaeure-amid, Selenosemicarbazid, Semicarbazide, seleno- (8CI), N'-amino-1-λ1-selanylmethanimidamide, Selensemicarbazid, MFCD00216963, EINECS 244-266-8
Selenosemicarbazide (CAS 21198-79-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula CH6N3Se and a molecular weight of 139.03800 g/mol. It is also known as Hydrazinecarboselenoamide, Hydrazinecarboselenoamide (9CI) and 3-Selenosemicarbazide. Key property: a melting point of 176ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21198-79-8
- Jingsj CID
- J-1332687-0
- Molecular Formula
- CH6N3Se
- Chinese Name
- 氨基硒脲
- Molecular Weight
- 139.03800 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 176ºC |
|---|---|
| Exact Mass | 139.97300 |
| PSA | 64.07000 |
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 Selenosemicarbazide?
The CAS number of Selenosemicarbazide is 21198-79-8.
What are the molecular formula and molecular weight of Selenosemicarbazide?
Selenosemicarbazide has molecular formula CH6N3Se and molecular weight 139.03800 g/mol.
What are the upstream and downstream products of Selenosemicarbazide?
For Selenosemicarbazide, Upstream Products: S-Methyl isothiosemicarbazide hydroiodide, Butyraldehyde.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Selenosemicarbazide (CAS 21198-79-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332687-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.