Molekula
Naphthalene-1-acetic acid
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
Naphthalene-1-acetic acid is a synthetic auxin used in plant growth regulation, particularly in agriculture and horticulture for root development and fruit setting. It is a white to pale yellow crystalline powder with a molecular formula of C12H10O2, a molecular weight of 186.21 g/mol, and a CAS number of 86-87-3. It should be stored at ambient temperatures and handled with care due to its danger signal word. Molekula supplies Naphthalene-1-acetic acid 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.
Often bought together
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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25 g — £20.20 per pack ex VAT · £24.24 inc. VAT
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100 g — £62.00 per pack ex VAT · £74.40 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 | White to off-white crystalline powder |
| Melting Point | 130.0 - 132.0°C |
| Identification | Conforms |
| Loss on Drying | ≤ 0.50% |
| Assay | ≥ 98% |
| Residue on Ignition | ≤ 0.50% |
| Naphthalene | ≤ 1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
For research use only. Not for human use.
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Odour | Odorless |
| Melting Point | 135 °C |
| Water Solubility | 420 mg/L at 20 °C |
| Vapour Pressure | 0.0000159 mmHg |
| pKa | pKa = 4.23 (at 25 °C) |
| log P (octanol/water) | 2.24 |
Source: PubChem CID 6862 (HSDB, DrugBank, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 35143629 |
| CAS Number | 86-87-3 |
| IUPAC Name | 2-naphthalen-1-ylacetic acid |
| EC Number | 201-705-8 |
| Molecular Formula | C12H10O2 |
| Molecular Weight | 186.21 |
| Exact Mass | 186.0681 |
| SMILES | C1=CC=C2C(=C1)C=CC=C2CC(=O)O |
| InChIKey | PRPINYUDVPFIRX-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H10O2/c13-12(14)8-10-6-3-5-9-4-1-2-7-11(9)10/h1-7H,8H2,(H,13,14) |
| PubChem CID | 6862 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29163979 |
| Tariff Code | 2916399090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- EUH401 To avoid risks to human health and the environment, comply with the instructions for use.
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
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+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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Romanian, Russian, 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-NAPHTHALENEACETIC ACID
- 1-Naphthylacetic acid
- 2-(Naphthalen-1-Yl)Acetic Acid
- Fruitofix
- Fruitone N
- NAPHTHALENEACETIC ACID
- Phyomone
- Planofix
- Planofixe
- Transplantone
Frequently asked questions
What is Naphthalene-1-acetic acid used for?
It is primarily used as a plant growth regulator in agriculture, promoting root development and influencing plant growth patterns.
What is the chemical formula and molecular weight of Naphthalene-1-acetic acid?
The formula is C12H10O2 with a molecular weight of 186.21 g/mol.
How should Naphthalene-1-acetic acid be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for Naphthalene-1-acetic acid?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply Naphthalene-1-acetic acid in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of Naphthalene-1-acetic acid?
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.