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Rubbing Alcohol

Is Methyl Hydrate the Same as Denatured Alcohol?

Quick answer

No source we read says so. CDC NIOSH lists methyl hydrate as another name for methanol (methyl alcohol), a toxic and highly flammable liquid. Do not drink it or treat it as drinking alcohol.

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How much 99%, 91% or 70% rubbing alcohol and water to mix for a 70% or 60% cleaning solution, for 100, 250 and 500 ml. Every line shows its source and the date we read it. Print it or keep it on your phone.

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  • The 60-90% range the CDC gives for alcohol disinfectants, and safety notes
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In this article
  1. What methyl hydrate is
  2. Hazards
  3. If someone swallows it

What methyl hydrate is

The CDC NIOSH emergency response card for methanol lists “methyl hydrate” among the synonyms of methanol, along with methyl alcohol, wood alcohol and wood spirit. The NIOSH IDLH page for methyl alcohol also lists the name.

We found no official source that calls methyl hydrate “denatured alcohol.” If a label says methyl hydrate, read it as methanol.

Hazards

  • NIOSH says methanol is highly flammable, with a flash point of 54 F (12 C).
  • Swallowing it can cause headache, dizziness, nausea, vomiting, severe abdominal pain, blurred vision and partial to total vision loss. Severe cases can cause coma and seizures.
  • Effects may not appear until after an asymptomatic period of 1 to 72 hours.

If someone swallows it

NIOSH’s chemical safety page for methyl alcohol says to get medical attention immediately. Call your local poison center or emergency services right away; do not wait for symptoms.

This site covers drinking alcohol. For cleaning alcohol, see our rubbing alcohol dilution calculator. This is general information, not medical advice.

People also ask

Is methyl hydrate the same as methanol?

NIOSH lists methyl hydrate as a synonym of methanol (methyl alcohol).

Is methyl hydrate safe to drink?

No. NIOSH lists ingestion effects including vision loss, and says to get medical attention immediately.

Why is methanol poisoning hard to spot early?

NIOSH says effects may not appear until after an asymptomatic period of 1 to 72 hours.

General information only, not medical or legal advice. If you have a health condition, take medicines or are pregnant, ask your doctor before drinking alcohol. Never drink and drive.

Sources

  1. CDC NIOSH: Methanol: Systemic Agent, read 4 Nov 2026
  2. CDC NIOSH: Methyl alcohol - IDLH, read 4 Nov 2026
  3. CDC NIOSH: NIOSH Pocket Guide to Chemical Hazards, Methyl alcohol, read 4 Nov 2026
Written by A to Z Alcohol Editorial Team · Published Jun 19, 2023 · Updated Nov 4, 2026
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