Molekula
4-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
4-Nitrophenylacetic acid is a nitro-substituted aromatic carboxylic acid used in organic synthesis and pharmaceutical research. It serves as an intermediate in the production of dyes, agrochemicals, and active pharmaceutical ingredients. Available in powder form, it has a molecular weight of 181.15 g/mol, a molecular formula of C8H7NO4, and a CAS number of 104-03-0. Store at ambient temperature. Handle with care due to its signal word "Danger." Molekula supplies 4-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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £26.40 per pack ex VAT · £31.68 inc. VAT
-
100 g — £77.70 per pack ex VAT · £93.24 inc. VAT
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 | Cream powder |
| Melting Point | 152 - 156 Deg C |
| Assay (aqueous acid-base titration) | >99% |
| Assay HPLC | >99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.0000291 mmHg |
Source: PubChem CID 4661 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 89966476 |
| CAS Number | 104-03-0 |
| IUPAC Name | 2-(4-nitrophenyl)acetic acid |
| EC Number | 203-168-5 |
| Molecular Formula | C8H7NO4 |
| Molecular Weight | 181.15 |
| Exact Mass | 181.0375 |
| SMILES | C1=CC(=CC=C1CC(=O)O)[N+](=O)[O-] |
| InChIKey | YBADLXQNJCMBKR-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7NO4/c10-8(11)5-6-1-3-7(4-2-6)9(12)13/h1-4H,5H2,(H,10,11) |
| PubChem CID | 4661 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2916.39.79.00 |
| Tariff Code | 2916399090 |
Safety & GHS
-
Corrosive
GHS05
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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)
Available in English, French, German, Italian, Portuguese, Spanish.
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
- 1ajn
- 2-(4-Nitrophenoxy)acetic acid
- 2-(4-NITROPHENYL)ACETIC ACID
- 2-(p-Nitrophenyl)acetic acid
- 4-Nitrobenzeneacetic acid
- 4-nitrophenylacetate
- 4-Nitrophenylaetic acid
- Acetic acid, (p-nitrophenyl)-
- Benzeneacetic acid, 4-nitro-
- p-nitrophenylacetic acid
Frequently asked questions
What is 4-Nitrophenylacetic acid used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 4-Nitrophenylacetic acid?
The formula is C8H7NO4 with a molecular weight of 181.15 g/mol.
How should 4-Nitrophenylacetic acid be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 4-Nitrophenylacetic acid?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply 4-Nitrophenylacetic acid in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with an order of 4-Nitrophenylacetic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.