10311-84-9

Basic information

• Product Name: DIALIFOS
• Synonyms: dialifor;Dialiphor;dialiphos;ENT 27320;ent27320;Hercules 14503;hercules14503;horodithioate
• CAS NO: 10311-84-9
• Molecular Formula: C₁₄H₁₇ClNO₄PS₂
• Molecular Weight: 393.85
• EINECS: 233-689-3
• Product Categories: DIA - DICPesticides;OrganophorousPesticides;AcaricidesPesticides&Metabolites;Alpha sort;D;DAlphabetic;Insecticides;Pesticides;Pesticides&Metabolites;Phthalimides
• Mol File: 10311-84-9.mol
• Article Data: 2

Chemical Properties

• Melting Point: 68℃
• Boiling Point: 465.9°Cat760mmHg
• Flash Point: 100 °C
• Appearance: /solid
• Density: 1.435g/cm³
• Vapor Pressure: 7.38E-09mmHg at 25°C
• Refractive Index: 1.616
• Storage Temp.: 0-6°C
• PKA: -2.72±0.20(Predicted)
• Water Solubility: 0.18mg/L(temperature not stated)
• Merck: 13,2989
• CAS DataBase Reference: DIALIFOS(CAS DataBase Reference)
• NIST Chemistry Reference: DIALIFOS(10311-84-9)
• EPA Substance Registry System: DIALIFOS(10311-84-9)

Safety Data

• Hazard Codes: T+,N
• Statements: 24-28-50/53
• Safety Statements: 28-36/37-45-60-61
• RIDADR: 2783
• RTECS: TD5165000
• HazardClass: 6.1(a)
• PackingGroup: I
• Hazardous Substances Data: 10311-84-9(Hazardous Substances Data)

Usage

Chemical Properties

Dialifor is a crystalline solid. The commercial product may also be available as a colorless oil.

Uses

Different sources of media describe the Uses of 10311-84-9 differently. You can refer to the following data:
1. Insecticide; acaricide.
2. Nonsystemic insecticide and acaricide to control chewing and sucking insects and spider mites on a wide variety of fruits and vegetables.

General Description

White crystalline solid, also reported as a colorless oil, colorless. Used as an insecticide and acaricide (kills beetles, ticks, mites, etc.).

Reactivity Profile

Releases nitrogen oxides, sulfur oxides, and phosphorus oxides when heated. Readily hydrolyzed by concentrated alkali. Avoid alkali. [EPA, 1998]. Organophosphates, such as DIALIFOS, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

Health Hazard

Different sources of media describe the Health Hazard of 10311-84-9 differently. You can refer to the following data:
1. DIALIFOS can cause serious symptoms and in extreme cases death by respiratory arrest.
2. Highly toxic by all routes of exposure;exhibits acute, delayed, and chronic effect;cholinesterase inhibitor; symptoms of poi-soning are similar to those of parathion,including weakness and twitching of mus-cle, headache, giddiness, dizziness, excessivesalivation, lacrimation, tightness in chest,blurred vision, slurred speech, mental confu-sion, and drowsiness; gastrointestinal effectsinclude nausea, vomiting, stomach cramps,and diarrhea; heavy exposure can lead to dif-ficulty in breathing, convulsions, and coma;median lethal doses reported in the literatureshow inconsistent and varying values.LD50 oral (rat): 5–53 mg/kgLD50 oral (mouse): 39–65 mg/kgLD50 oral (rabbit): 35 mg/kgLD50 skin (rabbit): 145 mg/kg.

Fire Hazard

Releases nitrogen oxides, sulfur oxides, and phosphorus oxides when heated. Readily hydrolyzed by concentrated alkali. Avoid alkali.

Safety Profile

Poison by ingestion and skin contact. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx, POx, and NOx.

Potential Exposure

A potential danger to those involved in the manufacture, formulation and application of this insecticide.

Environmental Fate

Chemical/Physical. Though no products were identified, the hydrolysis half-lives at 20°C were 15 days and 14 hours at pH 6.1 and pH 7.4, respectively (Freed et al., 1979, 1979a).

Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Incompatibilities

Strong bases. Contact with oxidizers may cause the release of phosphorous oxides. Contact with strong reducing agents, such as hydrides, may cause the formation of flammable and toxic phosphine gas.

Waste Disposal

Alkaline hydrolysis or incineration. In accordance with 40CFR165, follow recom- mendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following pack- age label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

InChI:InChI=1/C14H17ClNO4PS2/c1-3-19-21(22,20-4-2)23-12(9-15)16-13(17)10-7-5-6-8-11(10)14(16)18/h5-8,12H,3-4,9H2,1-2H3

Relevant articles and documents

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