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Pyridaphenthion

CAS No.
119-12-0
Chemical Name:
Pyridaphenthion
Synonyms
Ofun;Ofnak;ORESTE;Ofnack;OFUNACK;cl12503;CL 12503;AC-12503;ent23,968;ENT 23,968
CBNumber:
CB2292780
Molecular Formula:
C14H17N2O4PS
Molecular Weight:
340.33
MDL Number:
MFCD00145189
MOL File:
119-12-0.mol
MSDS File:
SDS
Last updated:2024-04-26 14:50:00

Pyridaphenthion Properties

Melting point 54.5~56.5℃
Boiling point 416.2±28.0 °C(Predicted)
Density 1.30±0.1 g/cm3(Predicted)
vapor pressure 1.47×10-6 Pa (20 °C)
Flash point -4 °C
storage temp. APPROX 4°C
Water Solubility 100mg l-1 (20°C)
pka -2.09±0.40(Predicted)
BRN 302741
CAS DataBase Reference 119-12-0(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 98M0VDD56Z
NIST Chemistry Reference Phosphorothioic acid, o-(1,6-dihydro-6-oxo-1-phenyl-3-pyridazinyl) o,o-diethyl ester(119-12-0)
EPA Substance Registry System Pyridaphenthion (119-12-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302+H332
Precautionary statements  P261-P264-P270-P271-P301+P312-P304+P340+P312
Hazard Codes  F,Xi,N,Xn
Risk Statements  11-36-66-67-57-51/53-20/22
Safety Statements  26-61-33-16
RIDADR  2783
WGK Germany  3
RTECS  TF2275000
HazardClass  6.1(a)
PackingGroup  II

Pyridaphenthion price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 36895 Pyridaphenthion solution 10?μg/mL in ethyl acetate, PESTANAL?, analytical standard 119-12-0 2ml $62 2022-05-15 Buy
Sigma-Aldrich 32538 Pyridaphenthion PESTANAL?, analytical standard 119-12-0 100mg $126 2022-05-15 Buy
AK Scientific S535 Pyridaphenthion 119-12-0 100mg $189 2021-12-16 Buy
American Custom Chemicals Corporation CHM0290691 PYRIDAPHENTHION 98.00% 119-12-0 2.5G $1265 2021-12-16 Buy
AHH MT-58329 Pyridaphenthion 98% 119-12-0 2.5g $436 2021-12-16 Buy
Product number Packaging Price Buy
36895 2ml $62 Buy
32538 100mg $126 Buy
S535 100mg $189 Buy
CHM0290691 2.5G $1265 Buy
MT-58329 2.5g $436 Buy

Pyridaphenthion Chemical Properties,Uses,Production

Description

Pyridaphenthion is a pale yellow solid, mp 54.5–56 ?C, vp 0.00147 mPa (20 ?C). Solubility in water is 100 mg/L (20 ?C). It is very soluble in acetone, methanol, and diethyl ether. Log Kow = 3.2.

Uses

Pyridaphenthion is used to control a wide range of chewing and sucking insects and mites in rice, vegetables, fruit and ornamentals.

Definition

ChEBI: Pyridaphenthion is an organic thiophosphate, an organothiophosphate insecticide and a pyridazinone. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor and an agrochemical. It is functionally related to a 6-hydroxy-2-phenylpyridazin-3-one.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of SOx, POx, and NOx. Used to control chewing and suckmg insects on rice, fruits, vegetables, and cereals.

Metabolic pathway

Pyridaphentluon is photolytically transformed into the oxon and phenylmaleic hydrazide. In the mouse its metabolism involves oxidative dearylation, oxidative desulfuration to the oxon, de-ethylation and conjugation of phenylmaleic hydrazide produced as the ultimate product of stage I metabolism and is typical of many phosphorothioates. A marked difference between metabolism in mice and rats was shown, with rats excreting no desethylpyridaphenthion and excreting all of the phenyl-maleic hydrazide in an unconjugated form.

Metabolism

More than 70% of the dose administered to rats and mice was excreted within 24 h in the urine. The major metabolites excreted are phenylmaleic hydrazide and desethyl pyridafenthion-oxon. The half-life in soil is 11–24 d.

Toxicity evaluation

The acute oral LD50 for rats is 769–850 mg/kg. Inhalation LC50 (4 h) for rats is >1.13 mg/L air.

Degradation

The photolysis of pyridaphenthion on a glass slide irradiated with both short wavelength UV light and light of wavelength >300 nm was investigated by Tsao et al. (1989). Samples were irradiated for 48 hours at unrecorded light intensity as thin films spread on petri dishes or in solution in water, methanol or hexane under an oxygen atmosphere. The effects of photosensitisers was also assessed in the thin film experiments. The photoproducts were analysed by TLC, GC-MS and 1H NMR spectroscopy. Under thin film conditions pyridaphenthion was photodegraded more quickly with light >300 nm than by 254 um light and was degraded faster as a thin film than in solution. The main photoproducts from the glass surface and aqueous solution were pyridaphenthion oxon (2) and phenylmaleic hydrazide (3) (Scheme 1); the only other products were small amounts of polymers. Photosensitisers accelerated photolysis markedly with the most effective being a plant-derived natural product, cis-dehydromatricaria ester. It is notable that a simple chemical oxidation using 3-chloroperoxybenzoic acid gave the same two products, 2 and 3.

Pyridaphenthion Preparation Products And Raw materials

Global( 116)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21691 55
Hangzhou FandaChem Co.,Ltd.
008657128800458; +8615858145714 fandachem@gmail.com China 9348 55
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22968 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49390 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17367 58
TargetMol Chemicals Inc.
+1-781-999-5354 +1-00000000000 marketing@targetmol.com United States 19892 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58

View Lastest Price from Pyridaphenthion manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Pyridaphenthion pictures 2020-01-22 Pyridaphenthion
119-12-0
US $1.00 / KG 1KG 98%HPLC 10tons Career Henan Chemical Co

Pyridaphenthion Spectrum

PYRIDAPHENTHION OFUNACK ORESTE 3(2H)-Pyridazinone, 6-hydroxy-2-phenyl-, O-ester with O,O-diethyl phosphorothioate 3(2h)-pyridazinone,6-hydroxy-2-phenyl-,o-esterwitho,o-diethylphosphoroth American cyanamid 12,503 americancyanamid12,503 CL 12503 cl12503 DiethylO-(2,3-dihydro-3-oxo-2-phenyl-6-pyridazinyl)phosphorothioate ENT 23,968 ent23,968 O-(1,6-dihydro-6-oxo-1-phenyl-3-pyridazinyl)O,O-diethylphosphorothioate O-(1,6-Dihydro-6-oxo-1-phenylpyridazin-3-yl) O,O-diethyl phosphorothioate o-(1,6-dihydro-6-oxo-1-phenylpyridazin-3-yl)o,o-diethylphosphorothioate O,O-Diethyl O-(2,3-dihydro-3-oxo-2-phenyl-6-pyridazinyl)phosphorothioate o,o-Diethyl o-(6-oxo-1-phenyl-1,6-dihydro-3-pyridazinyl) thiophosphate o,o-diethylo-(2,3-dihydro-3-oxo-2-phenyl-6-pyridazinyl)phosphorothioate O,O-Diethylphosphorothioate, O-ester with 6-hydroxy-2-phenyl-3(2H)-pyridazinone o,o-diethylphosphorothioate,o-esterwith6-hydroxy-2-phenyl-3(2h)-pyridazino Ofnack Ofnak Ofun ofunack,e.c.(20%) Phosphorothioic acid, O,O-diethyl ester, O-ester with 6-hydroxy-2-phenyl-3(2H)pyridazinone Phosphorothioicacid,esters,O-(1,6-dihydro-6-oxo-1-phenyl-3-pyridazinyl)-O,O-diethylester phosphorothioicacid,o,o-diethylester,o-esterwith6-hydroxy-2-phenyl-3(2h)p Pyridafenthion pyridiphenthion yridazinone O,O-diethyl O-(1,6-dihydro-6-oxo-1-phenylpyridazin-3-yl) thiophosphate Pyridaphenthione pyridaphenthio (jmaf) O,O-Diethyl-O-(3-oxo-2-phenyldihydro-6-pyridazinyl)- phosphorodithionate 6-Diethoxyphosphinothioyloxy-2-phenylpyridazin-3-one O-(1,6-Dihydro-6-oxo-1-phenyl-3-pyridazinyl)phosphorothioic acid O,O-diethyl ester O,O-Diethyl-O-thiophosphat Pyridafethion O-(1,6-Dihydro-6-oxo-1-phenylpyridazin-3-yl)-O,O-diethylphosphorothionate Pyridaphenthion solution Pyridaphenthion E.C.(20%) O,O-dietyl-O-(2,3-dihydro-3-oxo-2-phenyl-dazine-6-yl) phosphorothionate Pyridaphenthion Solution, 100ppm AC-12503 Phosphorothioic acid O-(1,6-dihydro-6-oxo-1-phenylpyridazin-3-yl) O,O-diethyl Thiophosphoric acid O,O-diethyl-O-(6-oxo-1-phenyl-1,6-dihydropyridazin-3-yl) ester 6-diethoxythiophosphoryloxy-2-phenyl-pyridazin-3-one Pyridahenthion Pyridaphenthion 250mg [119-12-0] Purity of Pyridaphenthione O,O-diethyl O-(6-oxo-1-phenyl-1,6-dihydropyridazin-3-yl) phosphorothioate Ofunack(TM) PyridaphenthionSolution,100mg/L,1ml Pyridaphenthion @100 μg/mL in MeOH Pyridaphenthion@1000 μg/mL in Acetone Phosphorothioic acid, O-(1,6-dihydro-6-oxo-1-phenyl-3-pyridazinyl) O,O-diethyl ester PyridaphePyridaphenthionnthion 4'-Tetramethoxyflavone