Molekula
2-Nitrophenylacetic 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
2-Nitrophenylacetic acid is an organic compound featuring a nitro-substituted phenyl ring linked to an acetic acid moiety, widely used in organic synthesis, pharmaceutical intermediates, and agrochemical production. It serves as a key building block for dyes, pesticides, and medicinal chemistry research. This chemical has a CAS number of 3740-52-1, a molecular formula of O2NC6H4CH2CO2H, and a molecular weight of 181.15 g/mol. It is stable at ambient storage conditions but requires careful handling, as indicated by its **warning** signal word. Molekula supplies 2-Nitrophenylacetic 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £46.50 per pack ex VAT · £55.80 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90027173 |
| CAS Number | 3740-52-1 |
| IUPAC Name | 2-(2-nitrophenyl)acetic acid |
| EC Number | 223-128-0 |
| Molecular Formula | O2NC6H4CH2CO2H |
| Molecular Weight | 181.15 |
| Exact Mass | 181.0375 |
| SMILES | C1=CC=C(C(=C1)CC(=O)O)[N+](=O)[O-] |
| InChIKey | WMUZDBZPDLHUMW-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7NO4/c10-8(11)5-6-3-1-2-4-7(6)9(12)13/h1-4H,5H2,(H,10,11) |
| PubChem CID | 77337 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2916397900 |
| Tariff Code | 2916399090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- (ortho-Nitrophenyl)acetic acid
- 2-(2-nitrophenyl)acetic acid
- 2-(o-Nitrophenyl)acetic acid
- 2-Nitrobenzeneacetic acid
- Acetic acid, (o-nitrophenyl)-
- Benzeneacetic acid, 2-nitro-
- Cambridge id 5102607
- NITROPHENYLACETIC ACID, O-
- o-Nitrophenylacetic acid
- Oprea1_132121
Frequently asked questions
What is 2-Nitrophenylacetic acid commonly used for?
2-Nitrophenylacetic acid is primarily used as a precursor in organic synthesis, including the production of pharmaceuticals, agrochemicals, and specialty chemicals like dyes and fragrances.
What is the chemical formula and molecular weight of 2-Nitrophenylacetic acid?
The chemical formula is **O₂NC₆H₄CH₂CO₂H**, and the molecular weight is **181.15 g/mol**.
How should 2-Nitrophenylacetic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances like strong oxidizers or reducing agents.
What purity grades are available for this product?
Molekula supplies **technical grade** and **high-purity grade** (typically ≥98% purity) for 2-Nitrophenylacetic acid. Custom specifications may be available upon request.
Can Molekula supply 2-Nitrophenylacetic acid in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg, and larger quantities) for 2-Nitrophenylacetic acid, subject to availability and order requirements.
What documentation is provided with an order of 2-Nitrophenylacetic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability and compliance.
Ready to order or need a custom pack?
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