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Heterocyclic building blocks

4-Methylmorpholine safety data

GHS hazards, precautions, first aid, handling and transport for 4-Methylmorpholine. A classification summary, not a safety data sheet.
CAS 109-02-4Formula C5H11NO

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
GHS07: Harmful or irritant
Harmful or irritant
Signal word
Danger

Hazard classes and categories

  • Flam. Liq. 2
  • Acute Tox. 4 (oral)
  • Acute Tox. 4 (dermal)
  • Skin Corr. 1
  • Eye Dam. 1
  • Acute Tox. 4 (inhalation)

Hazard statements

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

Physical hazards

  • H225Highly flammable liquid and vapour.

Health hazards

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H332Harmful if inhaled.

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.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.

Response

  • P301 + P317If swallowed: Get medical help.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.

Storage

  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE. Structural firefighters' protective clothing provides thermal protection but only limited chemical protection.

Exposure limits and toxicity

Occupational exposure limits and toxicity data

May cause toxic effects if inhaled or ingested. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas. Runoff from fire control or dilution water may cause environmental contamination.

Transport information

UN dangerous goods classification for road, sea and air

UN number
UN 2535
Transport hazard class
3
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 4-Methylmorpholine yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling 4-Methylmorpholine safely

Is 4-Methylmorpholine hazardous?

4-Methylmorpholine carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to 4-Methylmorpholine?

The GHS classification of 4-Methylmorpholine shows 3 pictograms: GHS02 (flammable), GHS05 (corrosive), GHS07 (harmful or irritant).

What is the UN number of 4-Methylmorpholine?

4-Methylmorpholine is transported under UN 2535, hazard class 3, packing group II. Check the supplier SDS and the current ADR, IMDG or IATA rules before shipping.

Where can I get the SDS for 4-Methylmorpholine?

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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