Molekula
1-Chloro-2,4-dinitrobenzene
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
1-Chloro-2,4-dinitrobenzene is a reactive organic compound used in synthesis, particularly in the preparation of dyes, pharmaceuticals, and agrochemicals. It also serves as an analytical reagent for detecting and measuring pyridine compounds such as nicotinic acid and nicotinamide, and as an algicide in coolant water. It is a yellow crystalline solid with the molecular formula ClC6H3(NO2)2, a molecular weight of 202.55 g/mol, and is stable at ambient temperatures. It is classified as dangerous due to its reactivity and potential hazards. Molekula supplies 1-Chloro-2,4-dinitrobenzene 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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100 g — $58.70 per pack
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500 g — $130.20 per pack
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 crystalline solid |
| Water | ≤ 0.5% |
| Assay | ≥ 99.0% |
| Freezing Point | 48.0 - 52.0°C |
| High Boiling Component | ≤ 0.05% |
| Low boiling matter | ≤ 0.20% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 194 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellow crystals |
| Odour | Almond odor |
| Melting Point | 54 °C |
| Boiling Point | 315 °C |
| Water Solubility | 9.24 mg/L at 25 °C |
| Solubility (other solvents) | Soluble in ether, benzene, and carbon disulfide; sparingly soluble in cold, freely soluble in hot alcohol |
| Vapour Pressure | 8.5 × 10⁻⁵ mmHg at 25 °C |
| Refractive Index | 1.5857 |
| log P (octanol/water) | 2.17 |
Source: PubChem CID 6 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 10509994 |
| CAS Number | 97-00-7 |
| IUPAC Name | 1-chloro-2,4-dinitrobenzene |
| EC Number | 202-551-4 |
| Molecular Formula | ClC6H3(NO2)2 |
| Molecular Weight | 202.55 |
| Exact Mass | 201.9781 |
| SMILES | C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])Cl |
| InChIKey | VYZAHLCBVHPDDF-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H3ClN2O4/c7-5-2-1-4(8(10)11)3-6(5)9(12)13/h1-3H |
| PubChem CID | 6 |
| UN Number | UN3441 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29049947 |
| Tariff Code | 2904990020 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- EUH440 Accumulates in the environment and living organisms including in humans
- H302 Harmful if swallowed
- H310 Fatal in contact with skin
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H370 Causes damage to organs
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P284 Wear respiratory protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P307+311 IF exposed: Call a POISON CENTER or doctor/physician
- P310 Immediately call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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
- 1,3-Dinitro-4-chlorobenzene
- 2,4-Dinitro-1-chlorobenzene
- 2,4-Dinitrochlorobenzene
- 2,4-Dinitrophenyl chloride
- 4-Chloro-1,3-dinitrobenzene
- Benzene, 1-chloro-2,4-dinitro-
- CDNB
- Dinitrochlorobenzene
- Dinitrochlorobenzol
- DNCB
Frequently asked questions
What is 1-Chloro-2,4-dinitrobenzene used for?
It is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds.
What is the chemical formula and molecular weight?
The formula is ClC6H3(NO2)2 with a molecular weight of 202.55 g/mol.
How should 1-Chloro-2,4-dinitrobenzene be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis 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.