Molekula
2-Naphthaldehyde
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-Naphthaldehyde is a solid aromatic aldehyde used in organic synthesis and fragrance formulation. It appears as a yellow crystalline powder and is sensitive to light and air. CAS: 66-99-9, molecular formula: C10H7CHO, molecular weight: 156.18 g/mol. Store at -15 to -20 °C. Signal word: Warning. Molekula supplies 2-Naphthaldehyde 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
On backorder — expected to ship by 25 November 2026
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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25 g — £57.30 per pack ex VAT · £68.76 inc. VAT
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 solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 40933039 |
| CAS Number | 66-99-9 |
| IUPAC Name | naphthalene-2-carbaldehyde |
| EC Number | 200-640-2 |
| Molecular Formula | C10H7CHO |
| Molecular Weight | 156.18 |
| Exact Mass | 156.0575 |
| SMILES | C1=CC=C2C=C(C=CC2=C1)C=O |
| InChIKey | PJKVFARRVXDXAD-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H8O/c12-8-9-5-6-10-3-1-2-4-11(10)7-9/h1-8H |
| PubChem CID | 6201 |
| UN Number | UN3335 |
| REACH Code | Y110 |
| HTS Code | 29122960 |
| Tariff Code | 2912290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-Formylnaphthalene
- 2-Naphathalenecarboxaldehyde
- 2-naphthalaldehyde
- 2-Naphthalenecarboxaldehyde
- 2-naphtoaldehyde
- beta-Formylnaphthalene
- beta-Naphthaldehyde
- beta-Naphthylcarboxaldehyde
- naphthalene-2-carbaldehyde
- naphthalene-2-carboxaldehyde
Frequently asked questions
What is 2-Naphthaldehyde used for?
It is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and fragrances.
What is the chemical formula and molecular weight of 2-Naphthaldehyde?
The formula is C10H7CHO and the molecular weight is 156.18 g/mol.
How should 2-Naphthaldehyde be stored?
It must be stored at temperatures between -15 and -20 °C to maintain stability.
What grade of 2-Naphthaldehyde does Molekula supply?
Molekula supplies 2-Naphthaldehyde in technical grade; custom grades available upon request.
Can Molekula supply 2-Naphthaldehyde in bulk?
Yes, Molekula can supply 2-Naphthaldehyde in bulk quantities; please contact sales for details.
What documentation comes with a purchase of 2-Naphthaldehyde?
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.