Pyraclofos

Modify Date: 2025-08-28 19:55:48

Pyraclofos Structure
Pyraclofos structure
 Common Name Pyraclofos
CAS Number 77458-01-6 Molecular Weight 360.79600
Density 1.271 g/cm3 (28 C) Boiling Point 454ºC
Molecular Formula C14H18ClN2O3PS Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name pyraclofos
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.271 g/cm3 (28 C)
Boiling Point 454ºC
Molecular Formula C14H18ClN2O3PS
Molecular Weight 360.79600
Exact Mass 360.04600
PSA 88.46000
LogP 5.19230
Index of Refraction 1.595
Storage condition 0-6°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TE8346000
CHEMICAL NAME :
Phosphorothioic acid, O-(1-(4-chlorophenyl)-1H-pyrazol-4-yl) O-ethyl S-propyl ester, (+-)-
CAS REGISTRY NUMBER :
77458-01-6
LAST UPDATED :
199706
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C14-H18-Cl-N2-O3-P-S
MOLECULAR WEIGHT :
360.82

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
237 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,732,1991
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1460 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,732,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,732,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
420 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,732,1991

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R22
RIDADR 3018
RTECS TE8346000
Packaging Group III
Hazard Class 6.1(b)
HS Code 2933199011

 Synthetic Route

O-[1-(4-chlorophenyl)pyrazol-4-yl]-O,O-diethyl phosphite structure

O-[1-(4-chlorop...

CAS#:84260-11-7

Propyl disulfide structure

Propyl disulfide

CAS#:629-19-6

~%

Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Literature: US4531005 A1, ;
1-(4-Chlorophenyl)-1H-pyrazol-4-ol structure

1-(4-Chlorophen...

CAS#:77458-30-1

1-[chloro(ethoxy)phosphoryl]sulfanylpropane structure

1-[chloro(ethox...

CAS#:7651-98-1

~%

Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Literature: US4474775 A1, ;
sodium O-ethyl-O-[1-(4-chlorophenyl)pyrazol-4-yl]phosphorothiolate structure

sodium O-ethyl-...

CAS#:96381-04-3

1-Bromopropane structure

1-Bromopropane

CAS#:106-94-5

~%

Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Literature: US4474775 A1, ;

 Customs

HS Code 2933199011
Summary 2933199011 2-methoxy-6-pentylcyclohexa-2,5-diene-1,4-dione。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

 Synonyms

Pyraclofos [ISO]
starlet
(Ξ)-{O-[1-(4-chlorophenyl)-1H-pyrazol-4-yl] O-ethyl S-propyl phosphorothioate}
O-ethyl-O-[1-(4-chlorophenyl)pyrazol-4-yl]-S-n-propyl phosphorothiolate
Boltage
Phosphorothioic acid,O-(1-(4-chlorophenyl)-1H-pyrazol-4-yl) O-ethyl S-propyl ester
1-(4-chlorophenyl)-4-(ethoxy-propylsulfanylphosphoryl)oxypyrazole
(RS)-[O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate]
1-(4-chlorophenyl)-4-[ethoxy(propylsulfanyl)phosphoryl]oxypyrazole
MFCD00274600
Boltage Gra
(RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate
Voltage
O-[1-(4-chlorophenyl)-1H-pyrazol-4-yl] O-ethyl S-propyl phosphorothioate
O-[1-(4-chlorophenyl)pyrazol-4-yl]-O-ethyl-S-n-propyl phosphorothioate
TIA 230
Pyraclofos
O-(1-(4-chlorophenyl)-1H-pyrazol-4-yl) O-ethyl S-propyl phosphorothioate
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