Molekula
Juglone (5-Hydroxy-p-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
Juglone (5-Hydroxy-p-naphthoquinone) is a naturally occurring naphthoquinone compound used in research and industrial applications, including as a herbicide and in dye production. It is available in powder form with a CAS number of 481-39-0, molecular formula C10H6O3, and molecular weight of 174.15 g/mol. Stored at ambient temperatures, it is classified as a hazardous substance with a signal word of Danger. Molekula supplies Juglone 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 | Orange crystals |
| Purity (HPLC) | ≥ 98.0% |
| Identification (IR) | Conforms to Reference |
| Total impurity (HPLC) | ≤ 2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 155 °C |
Source: PubChem CID 3806 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90034779 |
| CAS Number | 481-39-0 |
| IUPAC Name | 5-hydroxynaphthalene-1,4-dione |
| EC Number | 207-567-5 |
| Molecular Formula | C10H6O3 |
| Molecular Weight | 174.15 |
| Exact Mass | 174.0317 |
| SMILES | C1=CC2=C(C(=O)C=CC2=O)C(=C1)O |
| InChIKey | KQPYUDDGWXQXHS-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H6O3/c11-7-4-5-9(13)10-6(7)2-1-3-8(10)12/h1-5,12H |
| PubChem CID | 3806 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2914.69.2100 |
| Tariff Code | 2914698090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H400 Very toxic to aquatic life
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
- 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
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
- 5-Hydroxy-1,4-naphthalenedione
- 5-Hydroxy-1,4-naphthoquinone
- 5-Hydroxynaphthalene-1,4-dione
- 8-Hydroxy-1,4-naphthoquinone
- C.I. 75500
- C.I. Natural Brown 7
- Juglon
- juglone
- Nucin
- Regianin
Frequently asked questions
What is Juglone used for?
Juglone is primarily used in research applications, including studies on plant physiology, natural pigments, and as a herbicidal agent due to its natural allelopathic properties.
What is the chemical formula and molecular weight of Juglone?
The chemical formula of Juglone is C10H6O3, and its molecular weight is 174.15 g/mol.
How should Juglone be stored?
Juglone should be stored at ambient temperature, protected from light and moisture, and kept in a tightly sealed container.
What grade of Juglone does Molekula supply?
Molekula supplies Juglone in research-grade purity, suitable for laboratory use and scientific studies.
Can Molekula supply Juglone in bulk quantities?
Yes, Molekula can supply Juglone in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Juglone order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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.