C5H11N2O4P
194.13 g/mol
AgrochemicalDanger
3,4-Dimethyl-1H-pyrazole phosphate
CAS202842-98-6EC424-640-9
Category
Agrochemical
Compound Class
Heterocycle
Primary Use
nitrification inhibitor for fertilizer
3,4-Dimethyl-1H-pyrazole phosphate is an agrochemical compound used as a nitrification inhibitor in fertilizers. It helps reduce nitrogen loss by slowing the conversion of ammonium to nitrate in soil.
nitrification inhibitor for fertilizersoil nitrogen management
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
3(5),4-dimethylpyrazole
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Related Reading
Safety Reference
Danger
H302Harmful if swallowed
H318Causes serious eye damage
H319Causes serious eye irritation
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 3,4-Dimethyl-1H-pyrazole phosphate (CAS 202842-98-6) is 2933.19.
HS code (international, 6-digit)
2933.19
EU CN code (8-digit)
2933 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4,5-dimethyl-1H-pyrazole;phosphoric acid
InChIKey
LXKCHCXZBPLTAE-UHFFFAOYSA-N
SMILES
CC1=C(NN=C1)C.OP(=O)(O)O
Synonyms (7)
- 3,4-DMPP
- Entec
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