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ChemicalBook >> CAS DataBase List >>Iprobenfos

Iprobenfos

CAS No.
26087-47-8
Chemical Name:
Iprobenfos
Synonyms
epb;EBP;IBP;ricidp;C15230;ricidii;KITAZIN;kitazinl;KITAZINE;Kitazin L
CBNumber:
CB4298968
Molecular Formula:
C13H21O3PS
Molecular Weight:
288.34
MDL Number:
MFCD00191226
MOL File:
26087-47-8.mol
MSDS File:
SDS
Last updated:2025-01-27 09:38:02

Iprobenfos Properties

Melting point 25°C
Boiling point 126°C
Density 1.1001 g/cm3
vapor pressure 2.5 x 10-4 Pa (20 °C)
refractive index approximate 1.51
Flash point 11 °C
storage temp. APPROX 4°C
Water Solubility 430 mg l-1(20 °C)
form liquid
biological source rabbit
BRN 1974687
CAS DataBase Reference 26087-47-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII OV3YOE2895
NIST Chemistry Reference Kitazin p(26087-47-8)
EPA Substance Registry System Phosphorothioic acid, O,O-bis(1-methylethyl) S-(phenylmethyl) ester (26087-47-8)
UNSPSC Code 41116107
NACRES NA.41

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS09
Signal word  Warning
Hazard statements  H302-H411
Precautionary statements  P264-P270-P273-P301+P312-P391-P501
Hazard Codes  Xn;N,N,Xn,T,F
Risk Statements  22-51/53-39/23/24/25-23/24/25-11
Safety Statements  61-45-36/37-16-7
RIDADR  UN 3082
WGK Germany  2
RTECS  TE6550000
HazardClass  6.1(a)
PackingGroup  II
HS Code  29309090

Iprobenfos price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 45814 Iprobenfos PESTANAL 26087-47-8 100mg $166 2024-03-01 Buy
TRC I745100 Iprobenfos 26087-47-8 5g $1050 2021-12-16 Buy
Medical Isotopes, Inc. 70941 Iprobenfos 26087-47-8 5G $2000 2021-12-16 Buy
American Custom Chemicals Corporation AGR0000177 IPROBENFOS 98.00% 26087-47-8 50ML $2728 2021-12-16 Buy
Biorbyt Ltd orb599350 EBP 26087-47-8 10μg $290.7 2021-12-16 Buy
Product number Packaging Price Buy
45814 100mg $166 Buy
I745100 5g $1050 Buy
70941 5G $2000 Buy
AGR0000177 50ML $2728 Buy
orb599350 10μg $290.7 Buy

Iprobenfos Chemical Properties,Uses,Production

Uses

Iprobenfos is a systemic fungicide which provides effective protective and curative control of leaf and ear blast (Pyricularia oryzae), stem rot (Helminthosporium spp.) and sheath blight (Rhizoctonia solani) in rice.

Definition

ChEBI: An organic thiophosphate that is the S-benzyl O,O-diisopropyl ester of phosphorothioic acid. Used as a rice fungicide to control leaf and ear blast, stem rot and sheath blight.

Metabolic pathway

Iprobenfos undergoes extensive degradation and metabolism. Primary metabolic pathways include isomerisation to the thionate (P=S) ester, cleavage of the P-S-benzyl and P-O-isopropyl moieties, and transesterification. Benzyl mercaptan, upon cleavage, undergoes additional oxidation reactions to yield the alcohol, carboxylic acid, disulfide and sulfonic acid. The formation of the oxon from the isomerisation product (P=S ester) was minor and was observed only under UV light irradiation. The primary metabolic pathways of iprobenfos are presented in Scheme 1.

Degradation

Iprobenfos (1) is stable to hydrolytic degradation (<50 °C). The DTN value of iprobenfos in aqueous solution was approximately 301-324 days(PM).
Iprobenfos degraded rapidly when deposited as a thin film and exposed to UV light (DT50 ca. 10 min). Two major degradation reactions were observed during the initial phase of the irradiation. The first reaction involved the isomerisation of iprobenfos to O,O-diisopropyl O- benzyl phosphorothioate (2) followed by the oxidative desulfuration of compound 2 to yield the corresponding oxon analogue 3 (O,O-diisopropyl O-benzyl phosphate). The second reaction involved the hydrolytic cleavage of the S-C linkage of iprobenfos to yield O,O-diisopropyl hydrogen phosphorothioate (4) and the cleavage of the P-O-benzyl linkage of compound 3 to yield O,O-diisopropyl hydrogen phosphate (5). Other major photolytic degradation reactions include the cleavage of the parent P-S linkage to O,O-diisopropyl phosphonate (6). Benzyl alcohol (7) and benzyl mercaptan (8) were also detected. Further oxidation of compound 7 yielded benzoic acid (9) and the oxidation of compound 8 yielded benzylsulfonic acid (10), dibenzyl disulfide (11) and sulfuric acid as terminal products. Other minor products detected included transesterification products [O,O,S-triisopropyl phosphorothioate (12), O,O,O-triisopropyl phosphate (13)] and benzyl isopropyl sulfide (14).

1809-20-7
100-53-8
26087-47-8
Synthesis of Iprobenfos from Diisopropyl phosphite and Benzyl mercaptan
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  • Oct 12，2019

View Lastest Price from Iprobenfos manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Iprobenfos pictures 2019-07-31 Iprobenfos
26087-47-8
 US $3.00 / KG 1KG 99 1000kg Career Henan Chemical Co
  • Iprobenfos pictures
  • Iprobenfos
    26087-47-8
  • US $3.00 / KG
  • 99
  • Career Henan Chemical Co
o，o-Diethyl-s-benzylthiophosphate S-BENZYL O,O-DI-ISOPROPYL-PHOSPHOROTHIOATE iprofenfos Kitazin L kitazinl O,O-bis(1-Methylethyl)-S-(phenylmethyl)phosphorothiolate O,O-Diisopropyl S-Benzyl phosphorothioate O,O-Diisopropyl S-benzyl thiophosphate o,o-diisopropyl-s-benzylesterkyselinythiofosforecne o,o-diisopropyls-benzylphosphorothiolate o,o-diisopropyls-benzylthiophosphate Phosphorothioic acid, O,O-bis(1-methylethyl) S-(phenylmethyl) ester Phosphorothioic acid, S-benzyl O,O-diisopropyl ester Phosphorothioicacid,O,O-bis(1-methylethyl)-S-(phenylmethyl)ester phosphorothioicacid,s-benzylo,o-diisopropylester ricidii ricidp S-Benzyl O,O-diisopropyl thiophosphate s-benzyldiisopropylphosphorothioate probenfos Di(propan-2-yloxy)phosphorylsulfanylmethylbenzene Kitajin P Phosphorothioic acid O,O-bis(1-methylethyl) S-phenylmethyl Phosphorothioic acid S-benzyl O,O-diisopropyl C15230 Iprobenfos 500mg [26087-47-8] Iprobenfos standard solution Iprobenfos E.C. O，O-diethy-S-benzylphosphorothioate Iprobenfos solutio 3-beta-hydroxysteroid-Delta(8),Delta(7)-isomerase ANTI-EBP(N-TERMINAL) antibody produced in rabbit Cholestenol Delta-isomerase Iprobenfos 0.1 Iprobenfos Solution, 100ppm IPROBENFOS, 500MG, NEAT IPROBENPHOS SOLUTION 100 NG/MYL, IN METH ANOL, PESTANAL IPROBENPHOS PESTANAL, (S-BENZYL DIISOPRO iprobenfos (bsi, draft e-iso, draft f-iso) iprobenfos solution Iprobenfos(KitazinP/IBP) benzyl ethyl phosphorothioate epb Phosphorothioic acid, esters, O,O-diethyl-S-(phenylmethyl) ester phosphorothioic acid, s-benzyl o,o-diethyl ester EBP Phosphorothioic acid, O,O-bis(1-methylethyl)-S-(phenylmethyl) ester IBP O,O-Bis(1-methylethyl) S-(phenylmethyl) phosphorothioate BENZYLETHYLTHIOPOSPHATE KITAZIN KITAZINE KITAZIN P KITAZIN(R) IPROBENFOS IPROBENPHOS IBP BLATAF(R) S-Benzyl O,O-diethyl phosphorothioate