Diphenylphosphine oxide CAS 4559-70-0

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Diphenylphosphine oxide is an important organic synthesis intermediate, widely used in the synthesis of various pesticides and chiral phosphine ligands. It can also replace alkali metal cyanides as coupling agents in the synthesis of heterocyclic compounds, such as the herbicide paraquat under mild conditions.
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Model:
4559-70-0
Brand:
bosschem
Code:
4559-70-0

Product Description

Diphenylphosphine oxide Basic information
Product Name:	Diphenylphosphine oxide
CAS:	4559-70-0
MF:	C12H11OP
MW:	202.19
EINECS:	625-671-2
Mol File:	4559-70-0.mol
Diphenylphosphine oxide Chemical Properties
Melting point	56-57 °C(lit.)
Boiling point	102-105°C 0,2mm
refractive index	1.608-1.61
storage temp.	Inert atmosphere,Room Temperature
form	Crystals
color	Yellow to light orange
Water Solubility	Slightly soluble in water.
Sensitive	Moisture Sensitive
InChI	InChI=1S/C12H11OP/c13-14(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,14H
InChIKey	ASUOLLHGALPRFK-UHFFFAOYSA-N
SMILES	P(=O)(C1=CC=CC=C1)C1=CC=CC=C1
CAS DataBase Reference	4559-70-0(CAS DataBase Reference)

Diphenylphosphine oxide CAS 4559-70-0 Halogen-free flame retardant; Coupling reaction reagent

Our Advantages

Specifications & technical advantages:
Higher main content and lower impurity levels; batch-to-batch stability; better solubility, particle size, and flowability, facilitating downstream processes.
Quality system advantages:
Certification list - ISO 9001, REACH registration number, FDA, Kosher, Halal; each batch comes with a COA, supporting third-party testing (SGS, etc.); full traceability.
Supply chain advantages:
Own factory/integrated production; annual production capacity is at full capacity, with plans to expand production; some stock is available for immediate delivery; delivery time is clear.

Transportation

Packaging & Loading

25 kg bags with inner PE liner, 40 bags per pallet (1 MT), shrink-wrapped and fumigation-free; 20 MT per 20' FCL, 28 MT per 40' HQ.

Shipping

Sea freight is recommended for bulk orders (30–40 days to Europe/US); samples ship via DHL/FedEx within 3–7 days. Available terms: FOB Qingdao / CIF / DDP.

Dangerous goods

Classified as UN, Class, Packing Group; we provide full DG documentation and comply with IMDG for all ocean shipments.

Documents

Commercial invoice, packing list, bill of lading, COA, SDS, and certificate of origin are included with every shipment.

Diphenylphosphine oxide CAS 4559-70-0

Our Advantages

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