Pyraclofos

Modify Date: 2026-06-30 11:53:27

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

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name pyraclofos
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Learn More
Literature: US4531005 A1, ;

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Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Learn More
Literature: US4474775 A1, ;

~%

Pyraclofos Structure

Pyraclofos

CAS#:77458-01-6

Learn More
Literature: US4474775 A1, ;

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  5

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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

 Pyraclofos | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of pyraclofos?
A: Boiling point of pyraclofos is 454ºC.
Q: What is the molecular formula of pyraclofos?
A: Molecular formula of pyraclofos is C14H18ClN2O3PS.
Q: What is the polar surface area (PSA) of pyraclofos?
A: Polar surface area (PSA) of pyraclofos is 88.46000.
Q: What are the upstream materials of pyraclofos?
A: Related upstream materials(CAS) of pyraclofos: 84260-11-7;629-19-6;77458-30-1;7651-98-1;106-94-5.
Q: What are the storage conditions for pyraclofos?
A: Storage conditions for pyraclofos: 0-6°C.
Q: What is the LogP of pyraclofos?
A: LogP of pyraclofos is 5.19230.
Q: What is the English name of pyraclofos?
A: The English name of pyraclofos is pyraclofos.
Q: What is the CAS number of pyraclofos?
A: CAS number of pyraclofos is 77458-01-6.
Q: What is the molecular weight of pyraclofos?
A: Molecular weight of pyraclofos is 360.79600.

 Pyraclofosfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
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