Dichlorophenylphosphine

Modify Date: 2026-06-30 10:23:33

Dichlorophenylphosphine Structure
Dichlorophenylphosphine structure
Common Name Dichlorophenylphosphine
CAS Number 644-97-3 Molecular Weight 178.984
Density 1.319 g/mL at 25 °C(lit.) Boiling Point 224.0±9.0 °C at 760 mmHg
Molecular Formula C6H5Cl2P Melting Point −51 °C(lit.)
MSDS Chinese USA Flash Point 89.3±18.7 °C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Dichlorophenylphosphine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.319 g/mL at 25 °C(lit.)
Boiling Point 224.0±9.0 °C at 760 mmHg
Melting Point −51 °C(lit.)
Molecular Formula C6H5Cl2P
Molecular Weight 178.984
Flash Point 89.3±18.7 °C
Exact Mass 177.950592
PSA 13.59000
LogP 4.59
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction n20/D 1.597(lit.)
Water Solubility Reacts

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TB2478000
CHEMICAL NAME :
Phosphonous dichloride, phenyl-
CAS REGISTRY NUMBER :
644-97-3
BEILSTEIN REFERENCE NO. :
0508189
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C6-H5-Cl2-P

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Skin and Appendages - hair
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Skin and Appendages - hair
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - tremor Skin and Appendages - hair
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84112 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 269 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H301-H314-H335
Supplemental HS Reacts violently with water.
Precautionary Statements P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable
Risk Phrases R17;R25;R29;R34
Safety Phrases S26-S28-S36/37/39-S43-S45-S28A
RIDADR UN 2845 4.2/PG 1
WGK Germany 3
RTECS TB2478000
Packaging Group II
Hazard Class 8
HS Code 29310095

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

2-Phosphino-1,3-diphosphonium ions.

Dalton Trans. 45 , 2124-9, (2016)

A series of 2-phosphino-1,3-diphosphonium trifluoromethanesulfonate salts has been prepared and comprehensively characterized. The compounds represent rare examples of salts containing triphosphorus d...

 DichlorophenylphosphineBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344
Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898
Total 207, Current Page 1 of 21
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00000528
Phenylphosphonousdichlorid
Dichlorophenylphosphine
Phenylphosphonous dichloride
dichloro(phenyl)phosphane
EINECS 211-425-8

 Dichlorophenylphosphine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular formula of Dichlorophenylphosphine?
A: Molecular formula of Dichlorophenylphosphine is C6H5Cl2P.
Q: What is the polar surface area (PSA) of Dichlorophenylphosphine?
A: Polar surface area (PSA) of Dichlorophenylphosphine is 13.59000.
Q: What is the melting point of Dichlorophenylphosphine?
A: Melting point of Dichlorophenylphosphine is −51 °C(lit.).
Q: What is the LogP of Dichlorophenylphosphine?
A: LogP of Dichlorophenylphosphine is 4.59.
Q: What is the CAS number of Dichlorophenylphosphine?
A: CAS number of Dichlorophenylphosphine is 644-97-3.
Q: What are the upstream materials of Dichlorophenylphosphine?
A: Related upstream materials(CAS) of Dichlorophenylphosphine: 638-21-1;824-72-6;4895-65-2;603-35-0;71-43-2;23588-02-5;108-94-1;55045-25-5;587-85-9;603-33-8.
Q: What English synonyms does Dichlorophenylphosphine have?
A: English synonyms of Dichlorophenylphosphine: MFCD00000528, Phenylphosphonousdichlorid, Dichlorophenylphosphine, Phenylphosphonous dichloride, dichloro(phenyl)phosphane, EINECS 211-425-8.
Q: What is the boiling point of Dichlorophenylphosphine?
A: Boiling point of Dichlorophenylphosphine is 224.0±9.0 °C at 760 mmHg.
Q: What are the downstream products of Dichlorophenylphosphine?
A: Related downstream products(CAS) of Dichlorophenylphosphine: 112305-77-8;1005-21-6;112305-74-5;111708-04-4;1079-65-8;1006-83-3;1089-77-6;1100-11-4;36802-41-2;3497-00-5.
Q: What is the English name of Dichlorophenylphosphine?
A: The English name of Dichlorophenylphosphine is Dichlorophenylphosphine.

 Dichlorophenylphosphinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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