Skip to main content

tert-Butyldicyclohexylphosphine

Also known as: Dicyclohexyl-tert-butylphosphine, Phosphine, dicyclohexyl(1,1-dimethylethyl)-, T-Butyldicyclohexylphosphine, tert-butyl(dicyclohexyl)phosphane, Dicyclohexyl(2-methyl-2-propanyl)phosphine

tert-Butyldicyclohexylphosphine (CAS 93634-87-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H31P and a molecular weight of 254.391 g/mol. Key properties include a boiling point of 333.4±9.0 °C at 760 mmHg, a density of 0.939 g/mL at 25ºC(lit.) and a flash point of 162.8±25.0 °C. It is classified under GHS with signal word Danger and hazard statements H250. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
93634-87-8
Jingsj CID
J-14171-9
Molecular Formula
C16H31P
Molecular Weight
254.391 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point333.4±9.0 °C at 760 mmHg
Density0.939 g/mL at 25ºC(lit.)
Flash Point162.8±25.0 °C
Exact Mass254.216339
PSA13.59000
LogP6.16
Appearanceliquid | colorless
Vapor Pressure0.0±0.7 mmHg at 25°C

GHS Safety & Compliance

FlammableSignal word: Danger
  • H250

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of tert-Butyldicyclohexylphosphine?

The CAS number of tert-Butyldicyclohexylphosphine is 93634-87-8.

What are the molecular formula and molecular weight of tert-Butyldicyclohexylphosphine?

tert-Butyldicyclohexylphosphine has molecular formula C16H31P and molecular weight 254.391 g/mol.

Is tert-Butyldicyclohexylphosphine hazardous?

tert-Butyldicyclohexylphosphine has GHS signal word Danger and hazard statements H250.

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

Last updated:

How to cite: Jingsj. "tert-Butyldicyclohexylphosphine (CAS 93634-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14171-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.