Naphthalene
White crystalline solid with a pungent, characteristic odour; sublimes (gives off vapour) at room temperature · CAS 91-20-3
Overview
Naphthalene (CAS 91-20-3) is one of the specialty chemicals products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for feedstock for phthalic anhydride manufacture; intermediate for naphthalene sulfonate dispersants/superplasticisers used in concrete; dye and dye-intermediate manufacture, among other applications in the specialty chemicals category. We pack Naphthalene in 25/50 kg bags (sealed, moisture- and vapour-proof lined), and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay | 99% Min |
| Melting Point | 80 – 82°C |
| Moisture | 0.1% Max |
| Solidification Point | 79.6°C Min |
| Sulphur Content | Trace |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Feedstock for phthalic anhydride manufacture
- Intermediate for naphthalene sulfonate dispersants/superplasticisers used in concrete
- Dye and dye-intermediate manufacture
- Pest-repellent formulations
Frequently Asked Questions
What is Naphthalene?
Naphthalene is supplied by Suraj Chemicals as white crystalline solid with a pungent, characteristic odour; sublimes (gives off vapour) at room temperature, identified by CAS number 91-20-3. It falls under our Specialty Chemicals range — see the Specification Sheet table above for its full characteristics.
What is Naphthalene used for?
Typical applications include: Feedstock for phthalic anhydride manufacture; Intermediate for naphthalene sulfonate dispersants/superplasticisers used in concrete; Dye and dye-intermediate manufacture; Pest-repellent formulations.
How should Naphthalene be stored and handled?
Combustible solid that sublimes, giving off vapour at room temperature -- store in tightly sealed containers in a cool, well-ventilated area away from heat and open flame. Suspected carcinogen on prolonged exposure -- handle with adequate ventilation and avoid prolonged inhalation of vapour or dust.
What packaging and pack sizes does Suraj Chemicals supply Naphthalene in?
25/50 kg bags (sealed, moisture- and vapour-proof lined). Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Naphthalene?
Typically around 24 months from date of manufacture when stored in original, unopened packaging under normal warehouse conditions, consistent with standard industry practice for this class of chemical. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Naphthalene hazardous to handle?
Yes — Naphthalene is combustible and should be kept away from heat and ignition sources; capable of releasing dust or vapour that is harmful if inhaled — use appropriate respiratory protection. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Naphthalene?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Naphthalene is also available above.
Can I get a sample or discuss order quantity for Naphthalene?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Naphthalene.