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The Curious Case of Acetaldehyde Phenylhydrazone: Resolution of a 120 Year Old Puzzle where Forms with Vastly Different Melting Points Have the Same Structure

An American Chemical Society journal article published 2019-01-07 reports the resolution of a 120‑year‑old puzzle about acetaldehyde phenylhydrazone. The article states forms with vastly different melting points have the same structure.

Categories: science-and-space

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
6/10
Geographic reach
1/10
Global importance
2/10
Impact magnitude
2/10
Positivity
6/10
Urgency
1/10

Why it matters

It resolves a long-standing chemical puzzle about a specific compound.

Sources

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