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Disinfectants and oxidizers

Phthalaldehyde safety data

GHS hazards, precautions, first aid, handling and transport for Phthalaldehyde. A classification summary, not a safety data sheet.
CAS 643-79-8Formula C8H6O2

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

GHS classification

Pictograms, signal word and hazard classes of the GHS classification

GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment
Signal word
Danger

Hazard classes and categories

  • Flam. Sol. 1/2
  • Acute Tox. 3 (oral)
  • Skin Corr. 1
  • Skin Irrit. 2
  • Skin Sens. 1
  • Eye Dam. 1
  • STOT SE 3 (respiratory irritation)
  • STOT RE 2
  • Aquatic Acute 1
  • Aquatic Chronic 1

Hazard statements

H codes grouped by type. Percentages show the share of classification notifications that report the statement

Physical hazards

  • H228Flammable solid.

Health hazards

  • H301Toxic if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H373May cause damage to organs through prolonged or repeated exposure.

Environmental hazards

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.

Precautionary statements

P codes for prevention, response, storage and disposal

Prevention

  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.

Response

  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.

Storage

  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.

Disposal

  • P501Dispose of contents and container in accordance with local regulations.

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

Fire: NO open flames.

General: STRICT HYGIENE!

Inhalation: Use ventilation, local exhaust or breathing protection.

Skin: Protective gloves. Protective clothing.

Eyes: Wear face shield or eye protection in combination with breathing protection.

Ingestion: Do not eat, drink, or smoke during work.

Storage

Well closed. Separated from oxidants, amines, strong bases and food and feedstuffs. Ventilation along the floor. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

Disposal

SRP: Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality, potential migration in air, soil or water, effects on animal, aquatic and plant life, and conformance with environmental and public health regulations. If it is possible or reasonable use an alternative chemical product with less inherent propensity for occupational harm/injury/toxicity or environmental contamination. Product: Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber, Contaminated packaging: Dispose of as unused product.

Exposure limits and toxicity

Occupational exposure limits and toxicity data

ACGIH TLV
2018 Notice of Intended Changes (NIC): These substances, with their corresponding values and notations, comprise those for which (1) a limit is proposed for the first time, (2) a change in theā€¦

Short-term exposure: The substance is corrosive to the eyes and skin. The substance is irritating to the respiratory tract. Long-term exposure: Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma.

Transport information

UN dangerous goods classification for road, sea and air

UN number
UN 2923
Transport hazard class
8
Packing group
II

Shipping rules depend on mode, quantity and packaging. Confirm the classification with the supplier SDS and your freight forwarder.

Supplier safety data sheets

SDS documents uploaded by suppliers who list this chemical

No supplier has uploaded an SDS for Phthalaldehyde yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Phthalaldehyde safely

Is Phthalaldehyde hazardous?

Phthalaldehyde carries the GHS signal word "Danger". Main hazards: flammable solid, toxic if swallowed, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Phthalaldehyde?

The GHS classification of Phthalaldehyde shows 6 pictograms: GHS02 (flammable), GHS05 (corrosive), GHS06 (acute toxicity (severe)), GHS07 (harmful or irritant), GHS08 (serious health hazard), GHS09 (hazardous to the environment).

What is the UN number of Phthalaldehyde?

Phthalaldehyde is transported under UN 2923, hazard class 8, packing group II. Check the supplier SDS and the current ADR, IMDG or IATA rules before shipping.

How should Phthalaldehyde be stored?

Well closed. Separated from oxidants, amines, strong bases and food and feedstuffs. Ventilation along the floor. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

Where can I get the SDS for Phthalaldehyde?

Ask the supplier for the safety data sheet of the exact grade you buy. Suppliers on CompoundList can attach their SDS to listings and send it with a quote. This page is a GHS classification summary, not an SDS.

GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error

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