Molekula
4-Nitrophenol
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-Nitrophenol is an aromatic organic compound with a nitro group attached to a phenol ring, primarily used as a precursor in the synthesis of dyes, pharmaceuticals, and agrochemicals, as well as in analytical chemistry for reagent applications. It appears as pale yellow crystals or powder with a faint phenolic odor. This chemical has a CAS number of 100-02-7, a molecular formula of C6H4(OH)NO2, and a molecular weight of 139.11 g/mol. It should be stored at ambient temperatures and handled with caution, as it carries a "Danger" signal word due to its hazardous properties. Molekula supplies 4-Nitrophenol 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.
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1 kg — £62.10 per pack ex VAT · £74.52 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 | Light yellow crystal |
| Water | <0.08% |
| Heavy metals | <0.0002% |
| Assay | >99% |
| Iron (Fe) | <0.0002% |
| Sulphates (SO4)(2-) | <0.0003% |
| Chlorine (Cl) | <0.0001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to slightly yellow crystals |
| Odour | Odorless |
| Melting Point | 113.8 °C |
| Boiling Point | 279 °C |
| Density | 1.479 g/cm³ at 20 °C |
| Water Solubility | 32.8 g/L at 40 °C |
| Solubility (other solvents) | Freely soluble in alcohol, chloroform, ether; soluble in solution of fixed alkali hydroxides and carbonates |
| Vapour Pressure | 0.0032 Pa at 20 °C |
| pKa | pKa = 7.15 (at 25 °C) |
| log P (octanol/water) | 1.91 |
Source: PubChem CID 980 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 10138826 |
| CAS Number | 100-02-7 |
| IUPAC Name | 4-nitrophenol |
| EC Number | 202-811-7 |
| Molecular Formula | C6H4(OH)NO2 |
| Molecular Weight | 139.11 |
| Exact Mass | 139.0269 |
| SMILES | C1=CC(=CC=C1[N+](=O)[O-])O |
| InChIKey | BTJIUGUIPKRLHP-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H5NO3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H |
| PubChem CID | 980 |
| UN Number | UN1663 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29089980 |
| Tariff Code | 2908990000 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- 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, 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
- 4-Hydroxynitrobenzene
- 4-Nitrofenol
- Niphen
- p-Hydroxynitrobenzene
- p-nitrophenol
- Paranitrofenol
- Paranitrofenolo
- Paranitrophenol
- Phenol, 4-nitro-
- Phenol, p-nitro-
Frequently asked questions
What is 4-Nitrophenol commonly used for?
4-Nitrophenol is primarily used as an intermediate in the synthesis of pharmaceuticals, dyes, and agrochemicals, as well as in the production of phenolic resins.
What is the chemical formula and molecular weight of 4-Nitrophenol?
The chemical formula is **C₆H₄(OH)NO₂**, and the molecular weight is **139.11 g/mol**.
How should 4-Nitrophenol be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and sources of ignition.
What grades or purity levels of 4-Nitrophenol does Molekula supply?
Molekula supplies **technical and reagent-grade 4-Nitrophenol**, with purity levels typically ≥98%.
Can Molekula supply 4-Nitrophenol in bulk quantities?
Yes, Molekula can supply **bulk quantities** of 4-Nitrophenol, with packaging options including drums, bags, or custom solutions.
What documentation comes with an order of 4-Nitrophenol?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list with batch-specific details.
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.