C6H5Cl2P
178.98 g/mol
Industrial ChemicalDanger
Dichlorophenylphosphine
CAS644-97-3EC211-425-8
Category
Industrial Chemical
Compound Class
Other
Primary Use
Synthesis of organophosphines
Dichlorophenylphosphine is an organophosphorus compound commonly used in the synthesis of organophosphines. It is a colorless viscous liquid with a single aromatic ring and two chlorine atoms attached to phosphorus.
Synthesis of organophosphines
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Industrial solvent mixture
Safety Reference
Danger
H290May be corrosive to metals
H301Toxic if swallowed
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Dichlorophenylphosphine (CAS 644-97-3) is 2931.59.
HS code (international, 6-digit)
2931.59
EU CN code (8-digit)
2931 59 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
dichloro(phenyl)phosphane
InChIKey
IMDXZWRLUZPMDH-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)P(Cl)Cl
Synonyms (19)
- Benzene phosphorus dichloride
- Benzenephosphonous dichloride
- Dichlorophenylphosphine
- PHENYL PHOSPHORUS DICHLORIDE
- PHENYLPHOSPHINOUS DICHLORIDE
- Phenyldichlorophosphine
- Phenylphosphine dichloride
- Phenylphosphonous dichloride
- Phosphine, dichlorophenyl-
- dichloro(phenyl)phosphane
- dichlorophenylphosphin
- p,p-Dichlorophenylphosphine
- phenyldichlorophosphane
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