O-Methylisourea hemisulfate
Also known as: Carbamimidic acid, methyl ester, hemisulfate, Methyl carbamimidate sulfate (2:1), Bis(2-methylisouronium) sulfate, Bis[amino(methoxy)methaniminium] sulfate, 2-Methylisouronium sulfate, O-Methylisourea sulfate, O-Methylisourea hemisulfate salt, O-Methylpseudourea sulfate, EINECS 257-851-8, MFCD00040594
O-Methylisourea hemisulfate (CAS 52328-05-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H14N4O6S and a molecular weight of 246.242 g/mol. Key properties include a melting point of 163-167 °C(lit.), a boiling point of 66.9ºC at 760 mmHg and a flash point of 165.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52328-05-9
- Jingsj CID
- J-966040-6
- Molecular Formula
- C4H14N4O6S
- Molecular Weight
- 246.242 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 163-167 °C(lit.) |
|---|---|
| Boiling Point | 66.9ºC at 760 mmHg |
| Flash Point | 165.7ºC |
| Exact Mass | 246.063400 |
| PSA | 201.18000 |
| LogP | 1.08060 |
| Additional Property | 1000 g/L (20 ºC) |
Customs & Trade Information
| HS Code | 2925290090 |
|---|---|
| Summary | 2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of O-Methylisourea hemisulfate?
The CAS number of O-Methylisourea hemisulfate is 52328-05-9.
What are the molecular formula and molecular weight of O-Methylisourea hemisulfate?
O-Methylisourea hemisulfate has molecular formula C4H14N4O6S and molecular weight 246.242 g/mol.
What are the upstream and downstream products of O-Methylisourea hemisulfate?
For O-Methylisourea hemisulfate, Downstream Products: 6-amino-2-methoxypyrimidin-4-ol, 2-Methoxy-3,7-dihydropyrrolo[2,3-d]pyrimidin-4-one, 2-Aminoimidazole hemisulfate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O-Methylisourea hemisulfate (CAS 52328-05-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-966040-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.