tert-Butyl (triphenylphosphoranylidene)acetate

(叔丁氧基羰基亚甲基)三苯基磷烷

Also known as: (tert-Butoxycarbonylmethylene)triphenylphosphorane, (tert-butoxycarbonylmethylene)triphenyl-phosphora, tert-Butyl 2-(triphenylphosphoranylidene)acetate, 1,1-Dimethylethyl 2-(triphenylphosphoranylidene)acetate, 2-Methyl-2-propanyl (triphenylphosphoranylidene)acetate, Acetic acid, 2-(triphenylphosphoranylidene)-, 1,1-dimethylethyl ester, tert-Butyl (triphenyl-λ5-phosphanylidene)acetate, (Triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester

tert-Butyl (triphenylphosphoranylidene)acetate (CAS 35000-38-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H25O2P and a molecular weight of 376.428 g/mol. It is also known as (tert-Butoxycarbonylmethylene)triphenylphosphorane, (tert-butoxycarbonylmethylene)triphenyl-phosphora and tert-Butyl 2-(triphenylphosphoranylidene)acetate. Key properties include a melting point of 152-155 °C(lit.), a boiling point of 503.5±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 271.4±45.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35000-38-5
Jingsj CID: J-47526-4
Molecular Formula: C₂₄H₂₅O₂P
Chinese Name: (叔丁氧基羰基亚甲基)三苯基磷烷
Molecular Weight: 376.428 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	152-155 °C(lit.)
Boiling Point	503.5±33.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	271.4±45.7 °C

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of tert-Butyl (triphenylphosphoranylidene)acetate?

The CAS number of tert-Butyl (triphenylphosphoranylidene)acetate is 35000-38-5.

What are the molecular formula and molecular weight of tert-Butyl (triphenylphosphoranylidene)acetate?

tert-Butyl (triphenylphosphoranylidene)acetate has molecular formula C24H25O2P and molecular weight 376.428 g/mol.

Is tert-Butyl (triphenylphosphoranylidene)acetate hazardous?

tert-Butyl (triphenylphosphoranylidene)acetate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl (triphenylphosphoranylidene)acetate (CAS 35000-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47526-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.