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Triphenylphosphine oxide CAS 791-28-6

Triphenylphosphine oxide is a pure white crystalline powder, soluble in alcohol and benzene, slightly soluble in hot water, and has a stimulating effect. Triphenylphosphine oxide can undergo REDOX reactions and also interact with metal atoms.

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Model:
791-28-6
Brand:
futurechemical
Code:
791-28-6

Product Description

Triphenylphosphine oxide Basic information
Product Name:	Triphenylphosphine oxide
CAS:	791-28-6
MF:	C18H15OP
MW:	278.28
EINECS:	212-338-8
Mol File:	791-28-6.mol
Triphenylphosphine oxide Chemical Properties
Melting point	150-157 °C(lit.)
Boiling point	360 °C
bulk density	400-450kg/m3
density	1,212 g/cm3
vapor pressure	<1 hPa (50 °C)
Fp	180 °C
storage temp.	Store below +30°C.
solubility	methanol: 25 mg/mL, clear
form	Crystalline Powder or Flakes
color	White to pink-brown
Specific Gravity	1.212
Water Solubility	slightly soluble
Hydrolytic Sensitivity	4: no reaction with water under neutral conditions
BRN	745854
LogP	2.8
CAS DataBase Reference	791-28-6(CAS DataBase Reference)
NIST Chemistry Reference	(C6H5)3PO(791-28-6)
EPA Substance Registry System	Triphenylphosphine oxide (791-28-6)

项目

ITEM

标准

STANDARD

检验结果

RESULT

外观

APPEARANCE

淡黄色结晶

LIGHT YELLOW CRVSTAL

符合规定

CONFORM

含量

(HPLC)(%)CONENT

>99%

99.10%

熔点

MELTING POINT

≥150℃

152-154℃

干燥失重

DRY WEIGHTLESSNESS

≤1%

0.9%

结论：符合标准

CLNCLUSION:SUITABLE TO STANDARD

Triphenylphosphine oxide 791-28-6 C18H15OP Catalysts Extractants

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
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FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.