Molekula
Acetaminophen Related Compound F (50 mg) (p-nitrophenol) - USP CRS
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
p-Nitrophenol is a key chemical intermediate and analytical standard used in pharmaceutical research, dye synthesis, and analytical chemistry as a reference for acetaminophen-related studies. It serves as a calibration standard, pH indicator, and precursor in organic synthesis. This product is a USP Certified Reference Standard (CRS) of p-nitrophenol, meeting stringent purity and traceability requirements for laboratory applications. CAS 100-02-7, molecular formula C6H5NO3 (or C6H4(OH)NO2), molecular weight 139.11 g/mol, stored at ambient conditions. Hazard classification includes a Danger signal word due to acute oral toxicity. Molekula supplies p-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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
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 | 90036380 |
| 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
-
Toxic
GHS06
-
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
No alternate names recorded for this product.
Frequently asked questions
What is p-nitrophenol (Acetaminophen Related Compound F) used for?
p-Nitrophenol is primarily used as an intermediate in the synthesis of pharmaceuticals (e.g., acetaminophen), dyes, and pesticides, as well as a reagent in analytical chemistry.
What is the chemical formula and molecular weight of p-nitrophenol?
The chemical formula is C₆H₄(OH)NO₂, and the molecular weight is 139.11 g/mol.
How should p-nitrophenol be stored?
Store at ambient temperature in a tightly sealed container, away from moisture and incompatible substances.
What grade of p-nitrophenol does Molekula supply, and is it suitable for pharmaceutical applications?
Molekula supplies USP CRS grade p-nitrophenol, which meets regulatory standards for pharmaceutical use.
Can Molekula supply p-nitrophenol in bulk quantities?
Yes, Molekula can provide bulk quantities of p-nitrophenol upon request—contact our sales team for pricing and availability.
What documentation comes with an order of p-nitrophenol?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.