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Cosmetic ingredients

Dimethoxymethane safety data

GHS hazards, precautions, first aid, handling and transport for Dimethoxymethane. A classification summary, not a safety data sheet.
CAS 109-87-5Formula C3H8O2

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
GHS07: Harmful or irritant
Harmful or irritant
Signal word
Danger
322W
NFPA 704 rating
health, fire, reactivity

Hazard classes and categories

  • Flam. Liq. 2
  • Skin Irrit. 2
  • Eye Irrit. 2
  • STOT SE 3 (respiratory irritation)

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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.

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.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.

Response

  • P302 + P352If on skin: Wash with plenty of water.
  • 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 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.

Storage

  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.

Disposal

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

First aid

General first aid measures. Get medical advice if you feel unwell

If inhaled
Respiratory support.
Skin contact
If this chemical contacts the skin, flush the contaminated skin with water promptly. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water promptly. If irritation persists after washing, get medical attention.
Eye contact
If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
If swallowed
If this chemical has been swallowed, get medical attention immediately.

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

Fire: NO open flames, NO sparks and NO smoking. NO contact with strong oxidizing agents or strong bases. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling.

Inhalation: Use ventilation, local exhaust or breathing protection.

Skin: Protective gloves.

Eyes: Wear safety spectacles.

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

Storage

Fireproof. Separated from strong oxidants and strong bases. Cool. Keep in the dark. Well closed. Store only if stabilized. Store in an area without drain or sewer access.

Disposal

... MAY BE DISPOSED OF BY DISSOLVING IN ALCOHOL OF GREATER MOLECULAR WEIGHT THAN BUTYL ALCOHOL & ATOMIZING IN SUITABLE COMBUSTION CHAMBER.

Exposure limits and toxicity

Occupational exposure limits and toxicity data

OSHA PEL, 8-hour TWA
1000 ppm (3100 mg/m³)
NIOSH REL, TWA
1000 ppm (3100 mg/m³)
ACGIH TLV, 8-hour TWA
1000 ppm
IDLH
2200 ppm (10% LEL)

Short-term exposure: The substance is irritating to the eyes and respiratory tract. The substance may cause effects on the central nervous system. Exposure far above the OEL could cause unconsciousness. Long-term exposure: The substance defats the skin, which may cause dryness or cracking.

Transport information

UN dangerous goods classification for road, sea and air

UN number
UN 1234
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 Dimethoxymethane yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Dimethoxymethane safely

Is Dimethoxymethane hazardous?

Dimethoxymethane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Dimethoxymethane?

The GHS classification of Dimethoxymethane shows 2 pictograms: GHS02 (flammable), GHS07 (harmful or irritant).

What is the UN number of Dimethoxymethane?

Dimethoxymethane is transported under UN 1234, hazard class 3, packing group II. Check the supplier SDS and the current ADR, IMDG or IATA rules before shipping.

How should Dimethoxymethane be stored?

Fireproof. Separated from strong oxidants and strong bases. Cool. Keep in the dark. Well closed. Store only if stabilized. Store in an area without drain or sewer access.

Where can I get the SDS for Dimethoxymethane?

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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