2-(4-AMINOPHENYLTHIO)ACETIC ACID

Synonym(s):S-(4-Aminophenyl)thioglycolic acid

CAS NO.：104-18-7
Empirical Formula: C8H9NO2S
Molecular Weight: 183.23
MDL number: MFCD00025360
EINECS: 203-182-1
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 06:15:23

2-(4-AMINOPHENYLTHIO)ACETIC ACID Structural

What is 2-(4-AMINOPHENYLTHIO)ACETIC ACID?

Chemical properties

light khaki crystalline powder

The Uses of 2-(4-AMINOPHENYLTHIO)ACETIC ACID

2-(4-Aminophenylthio)acetic Acid is a useful reagent for preparing visible light-sensitive photochromic azobenzene compounds.

The Uses of 2-(4-AMINOPHENYLTHIO)ACETIC ACID

Synthetic intermediate for dyes and pharmaceuticals.

The Uses of 2-(4-AMINOPHENYLTHIO)ACETIC ACID

It can react with 2-phenyl-benzo[d][1,3]oxazin-4-one to get 2-(Phenyl-4-(3H)-quinazolyl)-phenyl-4'-mercaptoacetic acid. This reaction needs solvents pyridine and H2O by heating.

Properties of 2-(4-AMINOPHENYLTHIO)ACETIC ACID

Melting point:	197-203 °C
Boiling point:	405.3±25.0 °C(Predicted)
Density	1.35±0.1 g/cm3(Predicted)
storage temp.	-20°C Freezer
solubility	Soluble in methanol, acetone, toluene, n-octanol, acetonitrile, ethyl acetate, dichloromethane.
pka	3.21±0.10(Predicted)
form	Solid
color	Off-White to Pale Beige
BRN	2720454
CAS DataBase Reference	104-18-7(CAS DataBase Reference)

Safety information for 2-(4-AMINOPHENYLTHIO)ACETIC ACID

Signal word	Danger
Pictogram(s)	Skull and Crossbones Acute Toxicity GHS06 Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H301:Acute toxicity,oral H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P342+P311:IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. P405:Store locked up.