Anonymous at Thu, 13 Feb 2025 01:36:47 UTC No. 16584206

>>16583692
Dunno
Even this crap, relatively harmless, https://en.wikipedia.org/wiki/Trifluralin , if you let it sit in a sealed 23,200 L mixing tank for 3 weeks just about causes you to faint even if you were holding your breath.
Hydrazine has a much higher vapour pressure too, it's a bigger whiff.

Anonymous at Thu, 13 Feb 2025 02:29:40 UTC No. 16584233

let's look it up in the book

https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/2024-04/ERG2024-Eng-Web-a.pdf

chemical: Hydrazine, anhydrous (the pure stuff OP is talking about)
UN number: 2029
ERG number: 132
hazard class: 3 - Flammable & 8 - Corrosive
page: 194

>Health: May cause toxic effects if inhaled or ingested. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas. Runoff from fire control or dilution water may cause environmental contamination. First Aid: For corrosives, in case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Additional flushing may be required. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin.

>In Canada, an Emergency Response Assistance Plan (ERAP) may be required for this product. Please consult the shipping paper and/or the "ERAP" section.

Does this answer your question OP?