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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 369517Generated: October 31, 2026

Phosphoric Acid → 3,4-Dimethylpyrazolium dihydrogen phosphate

https://huagongshe.com/reaction/369517

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphoric AcidHCID 1004—
ReactantHCID 178430906HCID 178430906—
SolventWaterHCID 962—
Product3,4-Dimethylpyrazolium dihydrogen phosphateHCID 7143587398%

Reaction Steps

96 g (1.0 mol) of 3,4-dimethylpyrazole were dissolved in 115 g (1.0 mol) of phosphoric acid (85%) at room temperature. The water contained in the phosphoric acid was evaporated. After a few hours, the title compound crystallized out from the oil initially present (yield 98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06139596
Source datasetuspto-grants-2000_10
ORD IDord-ca28189163594ff7aeb04962f28ada04
Source noteuspto-grants-2000_10