MSDS Naphthalene (C10H8) – Safety Data Sheet & GHS Hazards

Summary MSDS for Naphthalene (C10H8), CAS 91-20-3: substance identity, GHS hazard classification, hazard and precautionary statements, and links to the manufacturer's official SDS.

Identity summary

Name Naphthalene
Other names (IUPAC) –
Molecular formula C10H8
CAS number 91-20-3
Molar mass 128.17 g/mol
PubChem CID 931

Hazard identification (GHS)

Signal word: DANGER

Pictograms:

GHS07 – Harmful / irritant
Harmful / irritant
GHS08 – Health hazard
Health hazard
GHS09 – Environmental hazard
Environmental hazard
GHS02 – Flammable
Flammable

Hazard statements (H)

  • H302: Harmful if swallowed.
  • H320: Causes eye irritation.
  • H370: Causes damage to organs.
  • H372: Causes damage to organs through prolonged or repeated exposure.
  • H317: May cause an allergic skin reaction.
  • H351: Suspected of causing cancer.
  • H410: Very toxic to aquatic life with long lasting effects.
  • H228: Flammable solid.

Precautionary statements (P)

Prevention

  • P273: Avoid release to the environment.
  • P272: Contaminated work clothing should not be allowed out of the workplace.
  • P260: Do not breathe dust.
  • P270: Do not eat, drink or smoke when using this product.
  • P202: Do not handle until all safety precautions have been read and understood.
  • P240: Ground and bond container and receiving equipment.
  • P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P201: Obtain special instructions before use.
  • P241: Use explosion-proof electrical/ ventilating/ lighting/ equipment.
  • P264: Wash skin thoroughly after handling.
  • P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

  • P302 + P352: IF ON SKIN: Wash with plenty of water.
  • P370 + P378: In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
  • P391: Collect spillage.
  • P337 + P313: If eye irritation persists: Get medical advice/ attention.
  • P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P308 + P311: IF exposed or concerned: Call a POISON CENTER/doctor.
  • P362 + P364: Take off contaminated clothing and wash it before reuse.
  • P333 + P313: If skin irritation or rash occurs: Get medical advice/ attention.
  • P301 + P312 + P330: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.

Storage

  • P405: Store locked up.

Disposal

  • P501: Dispose of contents/ container to an approved waste disposal plant.

The GHS classification above matches TCI (Tokyo Chemical Industry) official data for product N0885 Naphthalene. Substance identity from PubChem CID 931.

Download the official SDS & CoA

The applicable Safety Data Sheet is the manufacturer's SDS for the product and lot you purchase. For products available from AMI Scientific:

TCI N0885 – Naphthalene Official SDS & CoA (TCI)
TCI N0885 – Naphthalene View product

SDS and lot-specific CoA are sent with the quotation/order or on request.

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What is an MSDS/SDS?

An MSDS (Material Safety Data Sheet), now called an SDS (Safety Data Sheet), is a 16-section document describing the hazards, handling, storage, first aid, and disposal of a chemical. Read the full MSDS guide and other MSDS pages.

This summary was compiled by AMI Scientific from TCI official GHS data for information purposes. Classification may differ by concentration, form, and supplier. Always refer to the manufacturer's official SDS for the product and lot you use. Updated: 23-10-2026.