Molekula
2,3-Dichloro-1,4-naphthoquinone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3-Dichloro-1,4-naphthoquinone (DCNQ) is a chlorinated naphthoquinone compound primarily used as a chemical intermediate, in organic synthesis, and as a reagent in biochemical research. It also serves as a fungicide and herbicide in agricultural applications. This chemical has a CAS number of 117-80-6, with the molecular formula C10H4Cl2O2 and a molecular weight of 227.04 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for handling precautions. Molekula supplies 2,3-Dichloro-1,4-naphthoquinone 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
| Property | Value |
|---|---|
| Appearance | Light yellow crystalline powder |
| Melting Point | 194 - 197°C (Lit.) |
| Water | ≤1.5% |
| Single Impurity | ≤1.5% |
| Assay | ≥98% |
| Total Impurities | ≤3% |
| 1,4-Naphthoquinone | ≤0.5% |
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 |
|---|---|
| Melting Point | 195 °C |
| Boiling Point | 275 °C at 2 mmHg |
| Solubility (other solvents) | About 4% in xylene, o-dichlorobenzene. Moderately soluble in acetone, dioxane |
| Vapour Pressure | 1.1 × 10⁻⁶ mmHg at 25 °C |
Source: PubChem CID 8342 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90035438 |
| CAS Number | 117-80-6 |
| IUPAC Name | 2,3-dichloronaphthalene-1,4-dione |
| EC Number | 204-210-5 |
| Molecular Formula | C10H4Cl2O2 |
| Molecular Weight | 227.04 |
| Exact Mass | 225.9588 |
| SMILES | C1=CC=C2C(=C1)C(=O)C(=C(C2=O)Cl)Cl |
| InChIKey | SVPKNMBRVBMTLB-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H4Cl2O2/c11-7-8(12)10(14)6-4-2-1-3-5(6)9(7)13/h1-4H |
| PubChem CID | 8342 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29147910 |
| Tariff Code | 2914790090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
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
- 2,3-Dichloronaphthoquinone
- Algistat
- DICHLONE
- Dichloronaphthoquinone
- Diclone
- Phygon
- Phygon paste
- Phygon XL
- Sanquinon
- Uniroyal
Frequently asked questions
What is 2,3-Dichloro-1,4-naphthoquinone (DCNQ) commonly used for?
It is primarily used as an agricultural fungicide and algicide (marketed as Phygon and Algistat) and as a chemical intermediate in organic synthesis, including the production of dyes and pharmaceuticals.
What is the molecular formula and molecular weight of 2,3-Dichloro-1,4-naphthoquinone?
The molecular formula is C₁₀H₄Cl₂O₂, and the molecular weight is 227.04 g/mol.
What safety classification does this product have, and how should it be handled?
The product has a signal word of 'Warning' under GHS, indicating moderate hazard. Handle with gloves and avoid inhalation or skin contact; follow standard lab safety protocols.
What grades or purities of 2,3-Dichloro-1,4-naphthoquinone does Molekula supply?
We offer analytical grade (≥98% purity) and technical grade for industrial applications. Custom purities may be available upon request.
Can Molekula supply this product in bulk quantities?
Yes, we can provide bulk quantities (5 kg–1 tonne+) for industrial or research-scale needs, subject to availability and approval.
What documentation is provided with an order of 2,3-Dichloro-1,4-naphthoquinone?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), 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.