(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine

Also known as: (+)-(3R,4R)-Bis(diphenylphosphino)-1-benzylpyrrolidine, (3R,4R)-3,4-Bis(diphenylphosphino)-1-benzylpyrrolidine, (3R,4R)-3,4-Bis(diphenylphosphino)-1-(phenylmethyl)pyrrolidine, (R,R)-(+)-N-benzyl-3,4-bis(diphenylphosphino)pyrrolidine, catASium D(R), DegoPhos ligand, MFCD01073878, [(3R,4R)-1-benzyl-4-diphenylphosphanylpyrrolidin-3-yl]-diphenylphosphane

(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine (CAS 99135-95-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C35H33NP2 and a molecular weight of 529.59100 g/mol. Key property: a melting point of 120ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 99135-95-2
Jingsj CID: J-1355750-1
Molecular Formula: C₃₅H₃₃NP₂
Molecular Weight: 529.59100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	120ºC
Exact Mass	529.20900
PSA	30.42000
LogP	6.44310

GHS Safety & Compliance

IrritantSignal word: Warning

H319 — Causes serious eye 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 (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine?

The CAS number of (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine is 99135-95-2.

What are the molecular formula and molecular weight of (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine?

(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine has molecular formula C35H33NP2 and molecular weight 529.59100 g/mol.

Is (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine hazardous?

(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine?

For (3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine, Upstream Products: (3S,4S)-1-Benzylpyrrolidine-3,4-diol, Benzylamine, (3R,4R)-3,4-dihydroxy-1-(phenylmethyl)-2,5-pyrrolidinedione.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine (CAS 99135-95-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355750-1 (accessed 2026-11-09).

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