Molekula
4-Aminophenylacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Aminophenylacetic acid is an aromatic organic compound featuring an amino group attached to a phenyl ring linked to an acetic acid moiety. It is primarily used as a synthetic intermediate in pharmaceuticals, agrochemicals, and dye manufacturing, where its reactive amino and carboxylic functional groups enable versatile chemical modifications. Researchers also use it as a peptide mimic and as an amine-functional building block in organic synthesis. This chemical has a CAS number of 1197-55-3, a molecular formula of H2NC6H4CH2CO2H, and a molecular weight of 151.16 g/mol. It is typically stored at ambient conditions and carries a signal word of "Warning" per GHS classification. Molekula supplies 4-Aminophenylacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 12062232 |
| CAS Number | 1197-55-3 |
| IUPAC Name | 2-(4-aminophenyl)acetic acid |
| EC Number | 214-828-7 |
| Molecular Formula | H2NC6H4CH2CO2H |
| Molecular Weight | 151.16 |
| Exact Mass | 151.0633 |
| SMILES | C1=CC(=CC=C1CC(=O)O)N |
| InChIKey | CSEWAUGPAQPMDC-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H9NO2/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4H,5,9H2,(H,10,11) |
| PubChem CID | 14533 |
| REACH Code | Y113 |
| HTS Code | 29224930 |
| Tariff Code | 2922498590 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (4-Aminophenyl)acetate
- (para-Aminophenyl)acetic acid
- 2-(4-aminophenyl)acetic acid
- 4-Aminobenzeneacetic acid
- 4-APAA
- 4-Carboxymethylaniline
- Acetic acid, (p-aminophenyl)-
- Benzeneacetic acid, 4-amino-
- p-Amino-alpha-toluic acid
- P-AMINOPHENYLACETIC ACID
Frequently asked questions
What is 4-Aminophenylacetic acid commonly used for?
It is primarily used as an intermediate in pharmaceutical synthesis, including the production of APIs like nonsteroidal anti-inflammatory drugs (NSAIDs) and other fine chemicals.
What is the molecular formula and molecular weight of 4-Aminophenylacetic acid?
The molecular formula is **H2NC6H4CH2CO2H**, and the molecular weight is **151.16 g/mol**.
How should 4-Aminophenylacetic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What grades or purities of 4-Aminophenylacetic acid does Molekula supply?
We supply **pharmaceutical-grade (USP/EP/JP compliant)** and **high-purity research-grade** (typically ≥98% purity).
Can Molekula supply 4-Aminophenylacetic acid in bulk quantities?
Yes, we offer bulk quantities (from 1 kg up to 50 kg) for both research and commercial applications, subject to approval.
What documentation comes with an order of 4-Aminophenylacetic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.