Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1383247Generated: October 31, 2026

Sulfuric Acid → HCID 22182976, compound

https://huagongshe.com/reaction/1383247

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
Reactant1,4-Dihydroxy-2,2,6,6-tetramethylpiperidineHCID 5395—
SolventIsopropanolHCID 3776—
ProductHCID 22182976HCID 2218297638.1%

Reaction Steps

5.0 g (0.029 mol) 1-hydroxy-2,2,6,6-tetramethyl-4-hydroxypiperidine and 3.0 g (0.031 mol) sulfuric acid are recrystallized from 50 mL of isopropanol, yielding 3.0 g of the desired hydroxylamine salt as a white crystalline solid, mp 238-241° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06254724B1
Source datasetuspto-grants-2001_07
ORD IDord-f4cef4d0eae74a0488a51f78e371ed68
Source noteuspto-grants-2001_07