O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

Synonym(s):PFBHA·HCl

CAS NO.：57981-02-9
Empirical Formula: C7H5ClF5NO
Molecular Weight: 249.57
MDL number: MFCD00012953
EINECS: 261-057-7
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 04:44:28

O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE Structural

What is O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE?

Chemical properties

White powder

The Uses of O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride is used in the preparation of oximes of steroids having keto group. It is used as a derivatization reagent in the determination of thromboxane B2, prostaglandins, amygdalin and a variety of aldehydes, ketones and acids. It is a versatile reagent utilized for the detection of carbonyl-containing compounds by gas chromatography (GC), gas chromatography mass spectrometry (GC-MS) and other methods. As a derivatization reagent, it is also used for EC/LC analysis of keto-steroids and carbohydrates.

The Uses of O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

PFBHA.HCl has been used for derivatization of metabolites with carbonyl groups followed by analysis via GC-MS. It has also been used in aldehyde derivatization followed by aldehydic hydrolysis using GC/MS.

The Uses of O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride is used:

In the preparation of oximes of steroids-bearing keto group.
As a derivatization reagent in the determination of thromboxane B₂, prostaglandins, amygdalin, and a variety of aldehydes, ketones, and acids.

It is a versatile reagent used for the detection of carbonyl-containing compounds by GC, GC-MS, and other methods.

What are the applications of Application

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride is a derivatization reagent

General Description

O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride (PFBHA.HCl) is a derivatizing agent.

Purification Methods

Recrystallise the salt from EtOH to form colourless leaflets. Drying the compound at high vacuum and elevated temperature will result in losses by sublimation. [Youngdale J Pharm Sci 65 625 1976, Wehner & Handke J Chromatog 177 237 1979, Nambara et al. give incorrect m as 115-116o J Chromatogr 114 81 1975.]

Properties of O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

Melting point:	227 °C (subl.)(lit.)
storage temp.	Inert atmosphere,Room Temperature
solubility	H₂O: 5%, clear
form	powder to crystal
color	White
PH	pH(5g/l, 25℃) : 2.0～3.0
Water Solubility	Soluble in water.
BRN	4031190
CAS DataBase Reference	57981-02-9(CAS DataBase Reference)

Safety information for O-(2,3,4,5,6-PENTAFLUOROBENZYL)HYDROXYLAMINE HYDROCHLORIDE

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection.