Para Nitrobenzamide
A nitro-substituted benzamide, supplied as 4-nitrobenzamide for use as an amide intermediate across pigment, dye and fine chemical manufacture.
What is Para Nitrobenzamide?
Para Nitrobenzamide, formally 4-nitrobenzamide, is a pale yellow crystalline powder built on a benzene ring carrying a nitro group at C-4 and a primary amide group at C-1.
That arrangement makes the molecule a versatile building block. The amide function can be dehydrated, hydrolysed or otherwise transformed, while the nitro group provides a handle for reduction to the corresponding amine, opening the route to a range of pigment, dye and fine chemical intermediates further down the synthesis chain.
At Chelora Dyes, Para Nitrobenzamide is crystallised and dried to a controlled particle profile and low moisture, so downstream conversion reactions run cleanly and give consistent, reproducible results batch to batch.
- Appearance
- Pale yellow crystalline
- Odour
- Faint, characteristic
- Solubility
- Hot water, ethanol
- Function
- Amide intermediate
- Grade
- Technical / pigment
Nitro-substituted benzamide
- Molecular formulaC7H6N2O3
- Molecular weight166.14 g/mol
- IUPAC name4-Nitrobenzamide
- Functional groupsAmide, nitro
- CAS number2835-68-9
Technical product information
Standard specification for Chelora Dyes' technical grade Para Nitrobenzamide. Custom-grade and bulk specifications are available on request.
| Chemical name | Para Nitrobenzamide |
|---|---|
| Synonyms | 4-Nitrobenzamide, p-Nitrobenzamide, PNBA |
| CAS number | 2835-68-9 |
| Molecular formula | C7H6N2O3 |
| Molecular weight | 166.14 g/mol |
| Assay (purity) | ≥ 98.0% |
| Appearance | Pale yellow to cream crystalline powder |
| Melting point | 200–203°C |
| Moisture content | ≤ 0.5% |
| Insoluble matter | ≤ 0.2% |
| Solubility | Slightly soluble in cold water; soluble in hot water, ethanol and hot acetic acid |
| Packaging | 25 kg / 50 kg bags, 500–1000 kg jumbo bags |
| Shelf life | 24 months in sealed original packaging |
Applications of Para Nitrobenzamide
Pigment intermediate synthesis
Used as a building block toward nitro- and amino-substituted intermediates for pigment manufacture.
Fine chemical synthesis
Serves as a starting material for further amide and amine chemistry in specialty synthesis.
Dye intermediate chemistry
Feeds into intermediates used in dye manufacture where a nitrobenzamide core is required.
Reduction chemistry feedstock
Reduced to the corresponding amine for further downstream synthesis routes.
Research reagents
Used as a reference compound in analytical and laboratory-scale synthesis work.
Custom synthesis
Supplied to order for custom manufacturing and contract synthesis projects.
Why choose Chelora Dyes
Consistent purity
Assay controlled at ≥98% with moisture and colour verified before dispatch.
Full documentation
COA, SDS, and regulatory data supplied with every shipment.
Flexible volumes
From 25 kg bags to jumbo-bag bulk quantities.
Technical support
Process, conversion, and compliance guidance from our chemistry team.
Storage and guidelines
- Store in tightly sealed original packaging in a dry environment.
- Keep in a cool, dry, well-ventilated area away from direct sunlight and heat.
- Protect from moisture pickup — the powder can cake if exposed to humid air.
- Segregate from strong oxidising and strong reducing agents.
- Use compatible containers: lined HDPE bags or drums.
- Re-seal bags promptly after use to preserve moisture and assay specification.
Handling precautions
Para Nitrobenzamide is a fine crystalline powder that can cause irritation to skin, eyes and the respiratory tract if handled without controls.
Use dust control measures, chemically resistant gloves, and eye protection during weighing, charging, and any bulk handling operation.
Provide local exhaust ventilation where dust generation is likely, and avoid breathing dust.
Refer to the full Safety Data Sheet for exposure limits, spill containment, disposal, and first-aid measures before use.
Frequently asked questions
What is Para Nitrobenzamide used for?
Para Nitrobenzamide is used as an amide intermediate in the manufacture of pigments, dyes and fine chemicals, and serves as a starting material that can be reduced or otherwise converted into further aromatic amine and amide derivatives.
How is Para Nitrobenzamide related to Para Nitrobenzoic Acid?
Para Nitrobenzamide is the primary amide of 4-nitrobenzoic acid; it is typically produced from the acid or its acid chloride and shares the same nitro-substituted benzene ring, differing only in the amide versus carboxylic acid functional group.
Is Para Nitrobenzamide soluble in water?
It has limited solubility in cold water and is more soluble in hot water and in organic solvents such as ethanol and hot acetic acid.
What purity do you supply?
Standard technical grade is supplied at a minimum assay of 98%, with moisture and melting range held within tight limits. Higher assay grades can be manufactured to order.
What packaging sizes are available?
25 kg and 50 kg multiwall paper or HDPE-lined bags, with bulk supply available in 500 kg and 1000 kg jumbo bags.
How should it be stored, and for how long?
In sealed original packaging in a cool, dry, ventilated store away from strong oxidisers and reducing agents. Shelf life is 24 months from manufacture when storage conditions are maintained.
Is it hazardous to handle?
It is an irritant and should be handled with standard PPE, dust control and adequate ventilation. Review the Safety Data Sheet before any handling operation.
Do you provide a Certificate of Analysis?
Yes. Each batch ships with a Certificate of Analysis and Safety Data Sheet covering assay, moisture, appearance and melting point.
