Molekula
4-Hydroxyphenylacetic acid
4-Hydroxyphenylacetic acid is a phenolic carboxylic acid used in pharmaceutical and biochemical research. It serves as an intermediate in the synthesis of active pharmaceutical ingredients and as a metabolite in metabolic studies. Available in powder form with a purity of ≥98%, it has a CAS number of 156-38-7, molecular formula C8H8O3, and molecular weight of 152.15 g/mol. Stored at ambient temperature, it carries a warning signal word due to potential irritant properties. Molekula supplies 4-Hydroxyphenylacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
4-Hydroxyphenylacetic acid is a phenolic carboxylic acid used in pharmaceutical and biochemical research. It serves as an intermediate in the synthesis of active pharmaceutical ingredients and as a metabolite in metabolic studies. Available in powder form with a purity of ≥98%, it has a CAS number of 156-38-7, molecular formula C8H8O3, and molecular weight of 152.15 g/mol. Stored at ambient temperature, it carries a warning signal word due to potential irritant properties. Molekula supplies 4-Hydroxyphenylacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 149-153 °C |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 60 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 156-38-7 |
| Molecular Formula | HOC6H4CH2COOH |
| Molecular Weight | 152.15 |
| SMILES | C1=CC(=CC=C1CC(=O)O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918296500 |
| Tariff Code | 2918290090 |
Safety & GHS
-
Explosive
GHS01
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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 4-Hydroxyphenylacetic acid used for?
It is used as an intermediate in the synthesis of pharmaceuticals and fine chemicals, particularly in the production of antioxidants and drug precursors.
What is the chemical formula and molecular weight of 4-Hydroxyphenylacetic acid?
The formula is HOC6H4CH2COOH with a molecular weight of 152.15 g/mol.
How should 4-Hydroxyphenylacetic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 4-Hydroxyphenylacetic acid?
It is available in technical grade; custom purity levels may be requested.
Can Molekula supply 4-Hydroxyphenylacetic acid in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of 4-Hydroxyphenylacetic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.