Dibenzyl dicarbonate
Also known as: Dibenzyl oxydiformate, Dibenzyl pyrocarbonate, Pyrocarbonic acid dibenzyl ester, Cbz anhydride, Z2O, Benzyl phenylmethoxycarbonyl carbonate, Carbonic acid, (phenylmethoxy)carbonyl phenylmethyl ester
Dibenzyl dicarbonate (CAS 31139-36-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H14O5 and a molecular weight of 286.279 g/mol. Key properties include a melting point of 29-32 °C(lit.), a boiling point of 426.6±34.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 189.4±25.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31139-36-3
- Jingsj CID
- J-26973-8
- Molecular Formula
- C16H14O5
- Molecular Weight
- 286.279 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 29-32 °C(lit.) |
|---|---|
| Boiling Point | 426.6±34.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 189.4±25.7 °C |
| Exact Mass | 286.084137 |
| PSA | 61.83000 |
| LogP | 3.97 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.567 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2920909090 |
|---|---|
| Summary | 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。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 Dibenzyl dicarbonate?
The CAS number of Dibenzyl dicarbonate is 31139-36-3.
What are the molecular formula and molecular weight of Dibenzyl dicarbonate?
Dibenzyl dicarbonate has molecular formula C16H14O5 and molecular weight 286.279 g/mol.
Is Dibenzyl dicarbonate hazardous?
Dibenzyl dicarbonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibenzyl dicarbonate (CAS 31139-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26973-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.