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diphenylphosphinic acid

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Origin: China

Cas No: 1707-03-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 1707-03-5 Formula: C12H11O2P Molecular Weight: 218.18800

Basic Info

Chemical Name	diphenylphosphinic acid
Synonyms	diphenylphosphosphinic acid; diphenyl-phosphinic acid; PHOSPHINIC ACID,DIPHENYL; Phosphinic acid, diphenyl-; Diphenylphosphinic acid; EINECS 216-948-5; Hydroxydiphenylphosphine oxide;
CAS No.	1707-03-5
Molecular Formula	C12H11O2P
Molecular Weight	218.18800
PSA	47.11000
LogP	1.90780

Properties

Appearance & Physical State	A white crystal power
Density	1.25 g/cm3
Boiling Point	446.2ºC at 760 mmHg
Melting Point	193-196ºC
Flash Point	223.7ºC
Refractive Index	1.602
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	9.59E-09mmHg at 25°C

Safety Info

RTECS	SZ5315000
Safety Statements	S22-S24/25
HS Code	29310095
WGK Germany	3
Risk Statements	R36/37/38

Synthesis Route

P,P'-tetraphenyl-oxalic acid diphosphide→[diphenylphosphoryl(phenyl)phosphoryl]benzene+diphenylphosphinic acid
Diphenylphosphinyl chloride→[diphenylphosphoryl(phenyl)phosphoryl]benzene+diphenylphosphinic acid
P,P'-tetraphenyl-oxalic acid diphosphide→[diphenylphosphoryl(phenyl)phosphoryl]benzene+diphenylphosphinic acid

Precursor

Diphenylphosphine oxide
Iodobenzene
Diphenylphosphine
Chlorodiphenylphosphine

Downstream Product

Tetraphenylbiphosphine
Diphenylphosphine oxide
(2-bromophenyl)-phenylphosphinic acid
Diphenylphosphine

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