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Phosphon

Phosphon structure

CAS No:
115-78-6
Formula:
C19H32Cl2P.Cl
Chemical Name:
Phosphon
Synonyms:
Phosphonium,tributyl[(2,4-dichlorophenyl)methyl]-,chloride (1:1);Phosphonium,tributyl(2,4-dichlorobenzyl)-,chloride;Tributyl(2,4-dichlorobenzyl)phosphonium chloride;Phosphonium,tributyl[(2,4-dichlorophenyl)methyl]-,chloride;2,4-Dichlorobenzyltributylphosphonium chloride;Phosfon D;Phosfon;Phosphon;Phosphon D;Phosphone D;Fosfon D;CBBP;Chlorphonium chloride;Phosfone D
Categories:
Organic Chemistry > Phosphines

Description

White, crystalline solid; mild aromatic odor. Technical grade melts at 114–120C. Soluble in water, acetone, ethanol, isopropanol and hot benzene; insoluble in hexane and ether.

Chlorphonium chloride is an organic molecular entity.

Phosphon Basic Attributes

Molecular Weight：

397.79

Exact Mass：

396.13100

EC Number：

204-105-4

UNII：

KSE326Z112

DSSTox ID：

DTXSID0041779

Color/Form：

WHITE CRYSTALLINE SOLID|COLORLESS

Characteristics

PSA：

13.59000

XLogP3：

4.91530

Melting Point：

114-120 °C

Water Solubility：

SOL IN HOT BENZENE

Vapor Pressure：

7.00e-07 mmHg

Odor：

MILD AROMATIC ODOR

Safety Information

Packing level：

III

Hazard category：

6.1(b)

Transport codes：

2811

hazard class code：

R21

safety instructions：

36/37/39-45

Marks：

Precautionary statement(s)：

P264, P270, P280, P301+P310, P302+P352, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P405, P501

Hazard Statements：

H301

GHS Classification：

|Danger|H301: Toxic if swallowed [Danger Acute toxicity, oral]|P264, P270, P280, P301+P310, P302+P352, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P405, and P501

Irritations：

Technical and formulated material irritative to the skin and eyes.

Toxicity

Interactions：

INHIBITORY EFFECTS OF PHOSFON D ON RADICLE, HYPOCOTYL, & COTYLEDON GROWTH WERE REDUCED BY GIBBERELLIC ACID.

Non-Human Toxicity Values：

Ld50 rabbits percutaneous 750 mg/kg /technical/

Drug Information

Mechanism of Action：

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.

Human Toxicity Excerpts：

TECHNICAL & FORMULATED SUBSTANCES ARE IRRITATING TO SKIN & EYES.

MeSH Entry Terms：

2,4-dichlorobenzyltributylphosphonium chloride

Phosphon Use and Manufacturing

Methods of Manufacturing

...REACTION OF 2,4-DICHLOROBENZYL CHLORIDE WITH TRIBUTYLPHOSPHINE. US PATENT 3,268,323.

Uses

Growth retardant for ornamental plants.

Formulations：

PHOSFON LIQ (100 G AI/L); DUSTS (15 & 100 G AI/KG).|'Phosfleur', granule (15 g chlorphonium chloride/kg); 'Phosfleur' liquid (100 g/l).

Manufacturing Info：

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.

Analytic Methods：

...BY PHOSPHORUS & CHLORINE CONTENT, & BY MELTING POINT.

Use Classification：

Agrochemicals -> Plant Growth Regulators

Computed Properties

Molecular Weight:397.8
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:11
Exact Mass:396.130721
Monoisotopic Mass:396.130721
Heavy Atom Count:23
Complexity:261
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes