Molekula
2-Nitrophenylacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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 in 25 g packs, from $88.40 excl. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — $88.40 per pack
Need a different quantity or pack?
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
| 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
Safety Data Sheets (SDS)
We haven't published a Safety Data Sheet for this product yet. Ask us and we'll send you one.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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's specification for 2-Nitrophenylacetic acid covers appearance (light yellow solid) and identification (conforms to reference). 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.
Where can I buy 2-Nitrophenylacetic acid?
Directly from Molekula, which lists 2-Nitrophenylacetic acid in 25 g packs from $88.40 excl. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.