methanediimine
Also known as: carbodiimide, Methanediylidenediamine, Methanediimine (9CI)
methanediimine (CAS 151-51-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula CH2N2 and a molecular weight of 42.04000 g/mol. Key properties include a boiling point of 154 °C, a density of 1.02g/cm3 and a flash point of 46 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 151-51-9
- Jingsj CID
- J-1057-1
- Molecular Formula
- CH2N2
- Molecular Weight
- 42.04000 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 154 °C |
|---|---|
| Density | 1.02g/cm3 |
| Flash Point | 46 °C |
| Exact Mass | 42.02180 |
| PSA | 47.70000 |
| LogP | 0.51730 |
| Vapor Pressure | 14700mmHg at 25°C |
| Refractive Index | n20/D 1.461 |
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 methanediimine?
The CAS number of methanediimine is 151-51-9.
What are the molecular formula and molecular weight of methanediimine?
methanediimine has molecular formula CH2N2 and molecular weight 42.04000 g/mol.
What are the upstream and downstream products of methanediimine?
For methanediimine, Upstream Products: Methanimidic acid, (Z)-, Cyanamide, Thiourea dioxide; Downstream Products: Bis(trimethylsilyl)carbodiimide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "methanediimine (CAS 151-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1057-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.