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DIMETHYLHYDRAZINE Chemical compatibility with O-rings, rubbers, & plastics

Dimethyl hydrazine, often referred to as unsymmetrical dimethylhydrazine or UDMH, is a colorless, highly flammable liquid with a strong odor and the chemical formula C2H8N2. It is widely used as a rocket propellant and as an intermediate in chemical synthesis. This compound is highly toxic and can cause severe skin burns and respiratory irritation. In systems containing dimethyl hydrazine, O-rings, rubber seals, gaskets, and plastic components must be carefully evaluated for compatibility. Strict handling, storage, and protective measures are essential.

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