Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 9,9-DIMETHYL-4,5-BIS(DI-T-BUTYLPHOSPHINO)XANTHENE, MIN. 97 T-BU-XANTPHOS
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 9,9-DIMETHYL-4,5-BIS(DI-T-BUTYLPHOSPHINO)XANTHENE, MIN. 97 T-BU-XANTPHOS
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

856405-77-1

856405-77-1 structure

856405-77-1 structure

Name: 9,9-DIMETHYL-4,5-BIS(DI-T-BUTYLPHOSPHINO)XANTHENE, MIN. 97 T-BU-XANTPHOS
Chemical Name: ditert-butyl-(5-ditert-butylphosphanyl-9,9-dimethylxanthen-4-yl)phosphane
CAS Number: 856405-77-1
Molecular Formula: C₃₁H₄₈OP₂
Molecular Weight: 498.66000
Create Date: 2018-12-24 22:39:53
Modify Date: 2025-08-27 18:13:06

Name	ditert-butyl-(5-ditert-butylphosphanyl-9,9-dimethylxanthen-4-yl)phosphane
Synonyms	t-Bu-Xantphos 9,9-Dimethyl-4,5-bis(di-tert-butylphosphino)xanthene 4,5-Bis(di-tert-butylphosphino)-9,9-dimethylxanthene

Melting Point	153-157°C
Molecular Formula	C₃₁H₄₈OP₂
Molecular Weight	498.66000
Exact Mass	498.31800
PSA	36.41000
LogP	9.52660

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport

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