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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 6451139Generated: October 23, 2026

Pyrimidifen

SU-9118 · -4-amine · MITECLEAN · Pyrimedifen · Pyrimidifen · Pyrimidifen solution · PYRIMIDIFEN STANDARD · pyrimidifen (bsi,iso)

https://huagongshe.com/en/chemical/6451139

Pyrimidifen molecular structure

Identifiers & Physical Properties

CAS No.105779-78-0
Molecular formulaC20H28ClN3O2
Average molar mass377.9 g/mol
Monoisotopic mass377.18700482 g/mol
SMILESCCOCCc1ccc(OCCNc2ncnc(CC)c2Cl)c(C)c1C
InChIKeyITKAIUGKVKDENI-UHFFFAOYSA-N
PubChem CID6451139
ChEBICHEBI:38604
EC No.600-677-8
DTXSIDDTXSID9057925

Chemical & Physical Properties

XLogP4.9
Topological polar surface area56.3
Hydrogen bond donors1
Hydrogen bond acceptors5
Rotatable bonds10
Heavy atoms26
Formal charge0
Complexity388
PesticidesAgrochemicals -> Pesticide active substancesActive substance -> EU Pesticides database: Not approved
Melting point157-161℃
Boiling point535.6±50.0 °C(Predicted)
Density1.45
Storage conditions0-6°C
pKa (acidity coefficient)4.09±0.10(Predicted)
BRN11644658
Henry's law constant3.6×104 mol/(m3Pa) at 25℃, Ebert et al. (2023)
Major applicationsagricultureenvironmental
InChI1S/C20H28ClN3O2/c1-5-17-19(21)20(24-13-23-17)22-10-12-26-18-8-7-16(9-11-25-6-2)14(3)15(18)4/h7-8,13H,5-6,9-12H2,1-4H3,(H,22,23,24)
InChIKeyITKAIUGKVKDENI-UHFFFAOYSA-N
SMILESCCOCCc1ccc(OCCNc2ncnc(CC)c2Cl)c(C)c1C
FDA UNIII21MX86B4X
UNSPSC Code41116107
NACRESNA.24
GHS pictogramGHS06,GHS09
Signal wordDanger
GHS hazard statementsH301-H410
GHS precautionary statementsP273-P301+P310+P330
Hazard symbolsXn,N
Risk statements (R)22-50/53
Safety statements (S)60-61
UN transport numberUN2811 - class 6.1 - PG 3 - EHS - Toxic solids, organic, n.o.s., HI: all
Water hazard class (WGK)3
Storage class6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
Hazard classAcute Tox. 3 OralAquatic Acute 1Aquatic Chronic 1

Safety & Regulations

GHS classificationDangerH301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]P264, P270, P273, P301+P316, P321, P330, P391, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 68 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H301: Toxic if swallowed [Danger Acute toxicity, oral]
Hazard Classes and CategoriesAcute Tox. 3 (100%)Acute toxicity (Oral) - Category 3
Water hazard class (WGK)3
UN transport numberUN2811 - class 6.1 - PG 3 - EHS - Toxic solids, organic, n.o.s., HI: all
Risk statements (R)22-50/53
Signal wordDanger
GHS pictogramGHS06,GHS09
Hazard symbolsXn,N
Safety statements (S)60-61
Storage class6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
GHS hazard statementsH301-H410
Hazard classAcute Tox. 3 OralAquatic Acute 1Aquatic Chronic 1
GHS precautionary statementsP273-P301+P310+P330

Applications & Uses

Uses

Pyrimidifen is used as a pesticide.

Uses

Pyrimidifen is used as pesticide.