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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 258759Generated: October 29, 2026

Water → 4-Amino-3-nitrophenyl thiocyanate

https://huagongshe.com/reaction/258759

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant2-NitroanilineHCID 6946—
ReactantBromineHCID 24408—
ReactantSodium thiocyanateHCID 516871—
SolventAcetic AcidHCID 176—
Product4-Amino-3-nitrophenyl thiocyanateHCID 10467791.8%

Reaction Conditions

Temperature15 °C

Reaction Steps

A stirred mixture of o-nitroaniline (82.5 g.), dry sodium thiocyanate (180 g.) and acetic acid (1 liter) was treated at 11°-12° C. with a solution of bromine (96.5 g.) in acetic acid (100 ml.). The stirring was continued for a further hour at 11°-12° C. and the mixture was then allowed to warm to 15° C. and poured into water (3.5 liters). The yellow solid was filtered off, washed with water, and dissolved in acetone (1 liter). The solution was filtered and the filtrate was evaporated to give 2-nitro-4-thiocyanato-aniline (107 g.), m.p. 110°-112° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04034107
Source datasetuspto-grants-1977_07
ORD IDord-f5f2900d84434d28aca3d308a2130075
Source noteuspto-grants-1977_07