Mucochloric acid

Mucochloric Acid

Chemical Name: (Z)-2,3-Dichloro-4-oxo-2-butenoic acid
Synonyms: 3,4-Dichloro-5-hydroxy-2(5H)-furanone; Dichloromalealdehydic acid
CAS Number: 87-56-9
Molecular Formula: C₄H₂Cl₂O₃
Molecular Weight: 168.96 g/mol

Physical & Chemical Properties

Hazard & Safety Information (GHS)

Danger Symbols:
☠️ Toxic (T)
⚠️ Corrosive (C)

Hazard Codes:
• H302: Harmful if swallowed
• H314: Causes severe skin burns/eye damage
• H317: May cause allergic skin reaction
• H411: Toxic to aquatic life

Protective Measures:
• P280: Wear gloves/face protection
• P301+P330+P331: IF SWALLOWED: Rinse mouth, do NOT induce vomiting
• P305+P351+P338: Eye contact: Rinse cautiously

Chemical Behavior

• Reacts with bases → salts
• Forms anhydride at high temps
• Light-sensitive (store in amber bottles)
• Decomposes to release HCl gas when heated

Applications

✔ Intermediate for pharmaceuticals
✔ Synthesis of heterocyclic compounds
✔ Laboratory reagent

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