Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Phosphine oxide, tris(4-chlorophenyl)- (9CI)
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Phosphine oxide, tris(4-chlorophenyl)- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: Phosphine oxide, tris(4-chlorophenyl)- (9CI)
Price: ￥Inquiry/100g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

4576-56-1

4576-56-1 structure

4576-56-1 structure

Name: Phosphine oxide, tris(4-chlorophenyl)- (9CI)
Chemical Name: 1-bis(4-chlorophenyl)phosphoryl-4-chlorobenzene
CAS Number: 4576-56-1
Molecular Formula: C₁₈H₁₂Cl₃OP
Molecular Weight: 381.62000
Create Date: 2017-12-22 18:00:49
Modify Date: 2025-08-25 11:32:53

Name	1-bis(4-chlorophenyl)phosphoryl-4-chlorobenzene
Synonyms	Tris(p-chlorophenyl)phosphine oxide Phosphine oxide,tris(p-chlorophenyl) Phosphine oxide,tris(4-chlorophenyl) tris(para-chlorophenyl)phosphine oxide tri-p-chlorophenylphosphine oxide Tris(4-chlorophenyl)phosphine oxide tri(4-chlorophenyl)phosphine oxide

Density	1.41g/cm3
Boiling Point	524ºC at 760 mmHg
Melting Point	176ºC
Molecular Formula	C₁₈H₁₂Cl₃OP
Molecular Weight	381.62000
Flash Point	270.7ºC
Exact Mass	379.96900
PSA	26.88000
LogP	5.28620
Index of Refraction	1.644

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ1780000

CHEMICAL NAME :: Phosphine oxide, tris(p-chlorophenyl)-

CAS REGISTRY NUMBER :: 4576-56-1

BEILSTEIN REFERENCE NO. :: 2814673

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H12-Cl3-O-P

MOLECULAR WEIGHT :: 381.62

WISWESSER LINE NOTATION :: GR DPO&R DG&R DG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02261

HS Code	2903999090

Precursor 8
1159-54-2 106-39-8 124-64-1 5032-62-2
873-77-8 7664-93-9 7175-54-4 7270-47-5
DownStream 1
1159-54-2

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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