 Home > Catalyst and Auxiliary > Precious Metal Catalysts > 1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine] for Sale > 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos

Name: 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos
Brand: DAHAI BIOCHEM
SKU: pr2609033259
Price: 450 USD
Availability: InStock

Unit Price:

$450/KG EXW

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CAS No.:

161265-03-8

Grade:

Catalyst Grade

Content:

99%

Brand:

DAHAI BIOCHEM

Packaging:

1kg/Bottle

Sample Available:

Yes

Price valid (until):

2026-12-31

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DAHAI BIOCHEM LTD

Company Type:

Trader

Location:

China

Payment Terms:

TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Qualification:

Main Products:

HARD FAT

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Product Details
Seller Information

Description

Product Detail

"[Product Overview & Applications]
4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos (CAS NO.: 161265-03-8) is supplied under stringent quality supervision by DAHAI BIOCHEM. It is a high-efficiency transition and precious metal catalyst widely applied in catalytic hydrogenation, cross-coupling organic synthesis, and fine chemical production. The product features exceptional chemical purity, reliable batch-to-batch consistency, low residual impurities, and high reaction stability, ensuring maximum efficiency and reliability in customer manufacturing processes.

[Technical Specifications & Parameters]
- Product Name: 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos
- CAS Registry Number: 161265-03-8
- Classification: Precious Metal Catalysts
- Assay / Purity: >= 99.0%
- Physical Form / Appearance: Crystal / Powder
- Quality Grade: Catalyst Grade
- Manufacturer / Brand: DAHAI BIOCHEM
- Standard Export Package: 1kg/Bottle
- Minimum Order Quantity (MOQ): 1 KG

[Quality Standards & Storage Conditions]
1. Quality Standards: Conforms strictly to enterprise and international industrial quality standards. Every production lot undergoes rigorous analytical testing including HPLC, GC, or titration analysis with full batch documentation provided.
2. Storage & Handling: Store in tightly sealed original containers in a cool, dry, and well-ventilated warehouse. Keep strictly away from direct sunlight, open flames, high temperatures, moisture, and incompatible substances.
3. Export Logistics & Packaging: Supplied in robust standard export packaging to guarantee integrity during global maritime and air freight. Flexible OEM and customized commercial packaging are available upon inquiry."

Basic Info

Product Name:

1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine]

Other Name:

Phosphine,1,1′-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-;Phosphine,(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[diphenyl-;1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine];Xantphos;(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[diphenylphosphine];4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene;9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene;4,5-Bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene;9,9-Dimethyl-4,5-bis(diphenylphosphino)-9H-xanthene;(9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphane);(5-Diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane;(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine)

CAS No.:

161265-03-8

Molecular Formula:

C39H32OP2

InChIKeys:

InChIKey=CXNIUSPIQKWYAI-UHFFFAOYSA-N

Molecular Weight:

578.62

Exact Mass:

578.62

EC Number:

1308068-626-2

UNII:

NMU72MOG9B

DSSTox ID:

DTXSID20348350

HScode:

2932999099

Categories:

Precious Metal Catalysts

Characteristics

PSA:

9.2

XLogP3:

9.7

Appearance:

White to light yellow Crystals

Melting Point:

229-230 °C

Boiling Point:

665.7°C at 760 mmHg

Flash Point:

450℃

Water Solubility:

soluble in organic solvents.

Storage Conditions:

Room temperature.

Vapor Pressure:

7.61E-17mmHg at 25°C

See More 1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine] Properties 

Hazard Identification

Classification of the substance or mixture

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H319 Causes serious eye irritation H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine] Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
HARD FAT

Location:
BUILDING 4,NO.571, STR.19,BAIYANG DISTRICT, HANGZHOU,CHINA

Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Total Annual Revenue:
Less than $1 million

Total Employees:
5-10

Year of Establishment:
2025

Company Profile

Hangzhou Dahai Biopharmaceutical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province on the southeastern coast of China. It is a modern private enterprise specializing in the development and sales of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals, and biochemical reagents.

Since its establishment, the company has adhered to the development path of "technological innovation" and places great emphasis on research and development in technological innovation. The company's high-quality products are popular in over sixty countries and regions, including North America, Western Europe, Southeast Asia, and Central and South America.

Currently, the company has established long-term and stable cooperative relationships with pharmaceutical enterprises in multiple countries, including Europe, the United States, Greece, Germany, Iran, Russia, South Korea, and India. Through our rigorous approach and sincere service, we have earned the trust and high regard of our clients.
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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, Xantphos

Product Details

Seller Information

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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