35657-36-4

35657-36-4 - Names and Identifiers

Name	O-(4-nitrobenzoyl)hydroxylamine
Synonyms	NbzONH2 O-(4-Nitrobenzoyl) amino 4-nitrobenzoate O-(4-nitrobenzoyl)hydroxylamine O-(4-Nitrobenzoyl)hydroxylamine Hydroxylamine, O-(4-nitrobenzoyl)- Benzoic acid, 4-nitro-, azanyl ester
CAS	35657-36-4
EINECS	241-512-6

35657-36-4 - Physico-chemical Properties

Molecular Formula	C7H6N2O4
Molar Mass	182.13354
Density	1.441±0.06 g/cm3(Predicted)
Melting Point	85.0℃ (decomposition)
Boling Point	361.4±44.0 °C(Predicted)
Appearance	powder to crystal
Color	White to Light yellow
BRN	1966666
pKa	-2.68±0.70(Predicted)
Storage Condition	2-8°C

35657-36-4 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	43 - May cause sensitization by skin contact
Safety Description	36/37 - Wear suitable protective clothing and gloves.
WGK Germany	3

35657-36-4 - Introduction

O-(4-nitrobenzoyl)hydroxylamine is an organic compound whose chemical formula is C7H6N2O4.

Nature:
O-(4-nitrobenzoyl)hydroxylamine is a yellow crystal, soluble in organic solvents such as ethanol, chloroform and dichloromethane, and insoluble in water. It has a strong ammonia smell.

Use:
O-(4-nitrobenzoyl)hydroxylamine is commonly used as a reagent for organic synthesis, especially for the synthesis of amides. It can also be used as an intermediate for some drugs. In addition, it can also be used for color reactions and color development reagents in analytical chemistry.

Preparation Method:
The preparation of O-(4-nitrobenzoyl)hydroxylamine is generally obtained by the reaction of p-nitrobenzoic acid and hydroxylamine. First, p-nitrobenzoic acid is reacted with anhydrous thionyl chloride to give acid chloride, which is then reacted with hydroxylamine to give the target product.

Safety Information:
O-(4-nitrobenzoyl)hydroxylamine is irritating and corrosive. Wear protective gloves, goggles and face shields during operation. Avoid contact with skin and eyes, and make sure to operate in a well-ventilated area. If direct contact or accidental ingestion, should promptly seek medical attention.

Last Update：2024-04-09 21:01:54