1,3-Bis(isocyanatomethyl)benzene
Also known as: m-Xylylene diisocyanate, XDI, 1,3-bis(isocyanatomethyl)benzene, 1,3-xylylenediisocyanate, m-xylene diisocyanate, isocyanic acid 1,3-phenylenedimethylene ester, Benzene, 1,3-bis(isocyanatomethyl)-, m-phenylenedimethylene isocyanate, takenate, takenate500, MFCD00019917
1,3-Bis(isocyanatomethyl)benzene (CAS 3634-83-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.183 g/mol. Key properties include a melting point of -7°C, a boiling point of 293.7±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 119.1±30.7 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H314 — Causes severe skin burns and eye damage and H334 — May cause allergy or asthma symptoms if inhaled. It is listed by 1 supplier, from 1.10 to 2.40 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 3634-83-1
- Jingsj CID
- J-5476-2
- Molecular Formula
- C10H8N2O2
- Molecular Weight
- 188.183 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >98.0%(GC) 500ml | ¥550.00 | $0.16 /mlBest ¥1.10/ml CNY | CN China MOQ 500ml | |
In Stock | >98.0%(GC) 100ml | ¥240.00 | $0.36 /ml ¥2.40/ml CNY | CN China MOQ 100ml |
Physicochemical Properties
| Melting Point | -7°C |
|---|---|
| Boiling Point | 293.7±33.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 119.1±30.7 °C |
| Exact Mass | 188.058578 |
| PSA | 58.86000 |
| LogP | 2.99 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.551 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 2929102001 |
|---|---|
| Summary | 2929102001 1,3-bis(isocyanatomethyl)benzene。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Bis(isocyanatomethyl)benzene?
The CAS number of 1,3-Bis(isocyanatomethyl)benzene is 3634-83-1.
What are the molecular formula and molecular weight of 1,3-Bis(isocyanatomethyl)benzene?
1,3-Bis(isocyanatomethyl)benzene has molecular formula C10H8N2O2 and molecular weight 188.183 g/mol.
Which suppliers offer 1,3-Bis(isocyanatomethyl)benzene?
1 supplier(s) listed; reference unit price ¥1.10–2.40 /ml.
Is 1,3-Bis(isocyanatomethyl)benzene hazardous?
1,3-Bis(isocyanatomethyl)benzene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 1,3-Bis(isocyanatomethyl)benzene?
For 1,3-Bis(isocyanatomethyl)benzene, Upstream Products: m-Xylylenediamine, 1,3-Bis(bromomethyl)benzene, Diphosgene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Bis(isocyanatomethyl)benzene (CAS 3634-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5476-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.