![Molecular structure of 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole (CAS 82911-71-5)](/images/chem_structures_svg/460/82911-71-5.svg)
1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole
Also known as: FMOC-OBT, 1-(Fmoc-oxy)benzotriazole, 9-Fluorenylmethyl 1-benzotriazolyl carbonate, Benzotriazol-1-yl 9-fluorenylmethyl carbonate, 1-Benzotriazolyl 9-fluorenylmethyl carbonate, 9-Fluorenylmethyl benzotriazolyl carbonate, MFCD00074939, (9H-Fluoren-9-yl)methyl 1H-benzo[d][1,2,3]triazol-1-yl carbonate
1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole (CAS 82911-71-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H15N3O3 and a molecular weight of 357.362 g/mol. Key properties include a melting point of 178ºC (dec.)(lit.), a boiling point of 536.1±43.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 278.0±28.2 °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.
- 82911-71-5
- Jingsj CID
- J-22329-0
- Molecular Formula
- C21H15N3O3
- Molecular Weight
- 357.362 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 536.1±43.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 278.0±28.2 °C |
| Exact Mass | 357.111328 |
| PSA | 66.24000 |
| LogP | 5.45 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.704 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole?
The CAS number of 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole is 82911-71-5.
What are the molecular formula and molecular weight of 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole?
1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole has molecular formula C21H15N3O3 and molecular weight 357.362 g/mol.
Is 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole hazardous?
1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole?
For 1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole, Upstream Products: 9-Fluorenylmethyl chloroformate, 1-Hydroxybenzotriazole, Dicyclohexylamine; Downstream Products: Fmoc-Ser-OH, Fmoc-Gabapentin.
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-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole (CAS 82911-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22329-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.