chlorphonium chloride

Description

chlorphonium chloride · CAS 115-78-6 · C19H32Cl2P.Cl. UNII KSE326Z112. Melting Point: 114-120 °C; Vapor Pressure: 0.0000007 [mmHg].

Identification

CAS Registry Number	115-78-6
PubChem CID	8286
Molecular formula	C19H32Cl2P.Cl
IUPAC name	tributyl-[(2,4-dichlorophenyl)methyl]phosphanium chloride
UNII (FDA)	KSE326Z112

Computed Descriptors

Molecular Weight	397.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	11
Exact Mass	396.130721
Monoisotopic Mass	396.130721
Topological Polar Surface Area	0
Heavy Atom Count	23
Formal Charge	0
Complexity	261

Physical & Chemical Properties

Melting Point	114-120 °C
Vapor Pressure	0.0000007 [mmHg]

Physical description & handling notes

• Colorless or white solid; [HSDB]
• WHITE CRYSTALLINE SOLID
• COLORLESS
• MILD AROMATIC ODOR
• SOL IN WATER, ACETONE, ETHANOL, ISOPROPYL ALCOHOL
• INSOL IN HEXANE, DIETHYL ETHER

GHS Hazard Classification

Reported hazard statements	H301, H312, H315, H319

Documented Uses

• Used to retard growth in ornamental plants; [Hawley]
• ...REACTION OF 2,4-DICHLOROBENZYL CHLORIDE WITH TRIBUTYLPHOSPHINE. US PATENT 3,268,323.
• PHOSFON RETARDS HEIGHT OF PETUNIAS, SALVIA, COLEUS, AZALEAS...HOLLY, & CERTAIN OTHER ORNAMENTALS. FORMULATIONS: DUST & LIQ FORMULATIONS FOR SOIL MIX & DRENCH APPLICATIONS TO SOIL.
• CHLORPHONIUM CHLORIDE IS USED AS HEIGHT RETARDANT FOR LILIES & CHRYSANTHEMUMS. IT IS ALSO EFFECTIVE IN RHODODENDRONS. IT IS MOST EFFECTIVE AS SOIL TREATMENT FOR POTTED PLANTS.
• WHEN THE GROWTH OF PEA PLANT WAS RETARDED BY IN VIVO TREATMENT WITH 10-3 MOLAR PHOSPHON D THE CONTENT OF GIBBERELLIN-LIKE SUBSTANCES INCR IN THE SURFACE ORGANS & DECR IN THE ROOTS.
• PHOSFON D INHIBITS MOSTLY THE SYNTH OF PROTEINS INVOLVED IN GROWTH. KNYPL JS; FLORA (JENA), ABT A; 160 (3): 217 (1969). PHOSPHON D INHIBITED BOTH SYNTH & DEGRADATION OF PROTEIN. INCORPORATION OF URACIL INTO RNA WAS INITIALLY INHIBITED & THEN STIMULATED IN KALE.

Synonyms

Chlorphonium chloride; 115-78-6; Phosphon; Phosfon D; Phosphone D; Fosfon D; Chlorphonium; Chlorfonium; CBBP; Phosfleur; KSE326Z112; 2,4-Dichlorobenzyltributylphosphonium chloride; Tributyl(2,4-dichlorobenzyl)phosphonium chloride; Phosphonium, tributyl(2,4-dichlorobenzyl)-, chloride; DTXSID0041779; RefChem:125568

Frequently Asked Questions

What are the CAS number and molecular formula of chlorphonium chloride?

CAS 115-78-6; molecular formula C19H32Cl2P.Cl; molecular weight — g/mol.

What other names is chlorphonium chloride known by?

Chlorphonium chloride, 115-78-6, Phosphon, Phosfon D, Phosphone D, Fosfon D.

Is chlorphonium chloride classified as hazardous?

Hazard statements reported: H301, H312, H315, H319.

What are the key physical properties of chlorphonium chloride?

Melting Point: 114-120 °C; Vapor Pressure: 0.0000007 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.