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CAS 112-34-5

Diethylene Glycol Monobutyl Ether

Diethylene glycol monobutyl ether (often called DEGBE) is a glycol ether solvent used in many household and workplace products like cleaners, paints, and inks. It can irritate eyes and skin; breathing high levels may cause headache or dizziness. [1][2]

Where It Comes From

Glass/all‑purpose cleaners, degreasers, latex paints and coatings, and printing inks; released as vapors during product use at home or work. [2][3]

How You Are Exposed

Breathing vapors while cleaning or painting; skin contact from splashes or wipes; lingering indoor air after use; workplace tasks such as custodial work, painting, or printing. [2][4]

Why It Matters

Short-term exposure can irritate eyes, skin, and throat and cause headache or dizziness; higher or repeated exposures have caused liver/kidney and blood effects in animals. [1][3]

Who Is at Risk

Workers who use these products often; people in small or poorly ventilated rooms; those with asthma or chemical sensitivities. [4][5]

How to Lower Your Exposure

Choose products without glycol ethers or with EPA Safer Choice; ventilate (open windows/use exhaust fans); wear chemical‑resistant gloves; keep containers closed and clean spills; follow label directions. [5][4]

References

  1. [1]U.S. EPA IRIS. 2-(2-Butoxyethoxy)ethanol (CASRN 112-34-5).
  2. [2]U.S. EPA. 2-(2-Butoxyethoxy)ethanol (DEGBE) Hazard Summary (TTN Air Toxics, archived).
  3. [3]OECD SIDS. 2-(2-Butoxyethoxy)ethanol (CAS 112-34-5) Initial Assessment Report, 2006.
  4. [4]CDC/NIOSH. Cleaning and Disinfecting Chemical Hazards in the Workplace.
  5. [5]U.S. EPA. Safer Choice: About the Label; Indoor Air Quality – VOCs and ventilation guidance.

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