2,4-Dinitrophenol
2,4-Dinitrophenol (CAS 51-28-5), a pale yellow crystalline powder, is a significant organic building block. With a molecular weight of 184.11 g/mol, it is primarily employed in chemical synthesis and as an intermediate in the production of dyes and other organic compounds. This chemical is supplied moistened with water to enhance safety and stability during handling and transport. Tech Serve Solutions offers this product with a purity of ≥98.0%.
- IUPAC
- α-Dinitrophenol,2,4-DNP,DNP
- Synonyms
- 2,4-DNPα-Dinitrophenol(O₂N)₂C₆H₃OH
Chemical Synthesis Intermediate
2,4-Dinitrophenol serves as a crucial intermediate in various organic synthesis pathways. Its reactive nitro and hydroxyl groups allow for diverse chemical transformations.
Dye Manufacturing
Historically, this compound has been used in the synthesis of certain dyes. Its chemical structure lends itself to chromophore development.
Reagent in Analytical Chemistry
It can be utilised as a reagent in specific analytical procedures, though its use is limited due to safety concerns.
| Molecular weight | 184.11 |
|---|---|
| Linear formula | (O2N)2C6H3OH |
| Assay | ≥98.0% |
| Grade | technical |
| Vapour density | 6.35 (vs air) |
| Contains / stabiliser | ≥15% water |
| Melting point | 108-112 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H373May cause damage to organs through prolonged exposure
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1320 4.1/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-33-50 |
| Safety statements (S) | 28-37-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | moistened with water |
|---|---|
| Description | Crystalline Pale yellow Powder |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,4-Dinitrophenol used for?
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2,4-Dinitrophenol is primarily used as an intermediate in chemical synthesis, particularly in the production of dyes and other organic compounds. It may also find application as a reagent in certain analytical chemistry procedures.
What is the CAS number and formula for 2,4-Dinitrophenol?
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The CAS number for 2,4-Dinitrophenol is 51-28-5 and its linear formula is (O₂N)₂C₆H₃OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dinitrophenol in technical grade with an assay of ≥98.0% and contains ≥15% water.
How should 2,4-Dinitrophenol be handled safely?
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2,4-Dinitrophenol is a dangerous substance. It is toxic if swallowed, in contact with skin, or if inhaled (H301 + H311 + H331), and may cause damage to organs through prolonged or repeated exposure (H373). It is also very toxic to aquatic life (H400). Always use appropriate personal protective equipment including eyeshields, faceshields, gloves, and a P2 respirator cartridge. Handle in a well-ventilated area, avoiding dust formation and release into the environment.
How is 2,4-Dinitrophenol packed and exported?
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2,4-Dinitrophenol is supplied moistened with water, typically packed in UN 1320, 4.1/PG 1 compliant packaging, suitable for export. Please contact us for specific shipping and export inquiries.
How can I request a quote or sample?
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To request a quote or a sample of 2,4-Dinitrophenol, please contact the Tech Serve Solutions sales team via our website or direct inquiry.
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