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Molekula

Molekula

2-Nitrophenylacetic acid

SKU 90027173 CAS 3740-52-1 O2NC6H4CH2CO2H MW 181.15 Made to order Bulk quantities on request

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.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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 — $88.40 per pack

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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

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard 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.

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