Molekula
2,7-Dihydroxynaphthalene
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
2,7-Dihydroxynaphthalene is a polycyclic aromatic compound used in organic synthesis and as an intermediate in the production of dyes and pharmaceuticals. It is also used as an ingredient in oxidative hair dye formulations. It appears as a crystalline solid with a molecular weight of 160.17 g/mol and a molecular formula of C10H6(OH)2. It is stable at ambient temperatures and should be stored under normal conditions. The substance is classified with a warning signal word due to potential health hazards. Molekula supplies 2,7-Dihydroxynaphthalene 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.
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5 g — £46.00 per pack ex VAT · £55.20 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to pale grey or pale brown Crystals or powder or crystalline powder |
| Melting Point | 184-191°C |
| Assay | ≥ 96.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 16360692 |
| CAS Number | 582-17-2 |
| IUPAC Name | naphthalene-2,7-diol |
| EC Number | 209-478-7 |
| Molecular Formula | C10H6(OH)2 |
| Molecular Weight | 160.17 |
| Exact Mass | 160.0524 |
| SMILES | C1=CC(=CC2=C1C=CC(=C2)O)O |
| InChIKey | DFQICHCWIIJABH-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H8O2/c11-9-3-1-7-2-4-10(12)6-8(7)5-9/h1-6,11-12H |
| PubChem CID | 11397 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29072990 |
| Tariff Code | 2907290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- 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, English (US), 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
- 2,7-dihdroxynaphthalene
- 2,7-dihydorxynaphthalene
- 2,7-Dihydroxyl naphthalene
- 2,7-Naphthalenediol
- 2,7-Naphthalindiol
- 2,7-Naphthelendiol
- CI 76645
- Naphthalene-2,7-diol
- Naphthalenediol-2,7
Frequently asked questions
What is 2,7-Dihydroxynaphthalene used for?
It is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and specialty chemicals.
What is the chemical formula and molecular weight of 2,7-Dihydroxynaphthalene?
The formula is C10H6(OH)2 and the molecular weight is 160.17 g/mol.
How should 2,7-Dihydroxynaphthalene be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 2,7-Dihydroxynaphthalene?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply 2,7-Dihydroxynaphthalene in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with an order of 2,7-Dihydroxynaphthalene?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.