Mn4 H4 O8

semiconductor

· Mn4 H4 O8

Mn₄H₄O₈ is a manganese oxyhydroxide compound belonging to the semiconductor class of metal oxide materials. This composition represents a mixed-valence manganese oxide system with structural hydrogen incorporation, making it relevant to electrochemical energy storage and catalysis research. While primarily investigated in academic and applied research settings rather than established commercial production, this material family is valued for its tunable redox properties, abundance of raw materials, and environmental benignity compared to rare-earth or toxic alternatives.

battery cathode materialssupercapacitor electrodeswater oxidation catalystselectrochemical sensorsoxygen evolution reaction (OER)energy storage research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00760 range 0.00530–0.00990median of 2 measurements	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.471 range -1.472–-1.470median of 2 measurements	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Mn4 H4 O8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control