PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Cyanoguanidene; (Guanidine, cyano-; Dicyandiamido) 461-58-5
4.06
3.02
3.10
13.00
Formula Synonyms
C2H4N4
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
84.08 S 209.5 3 1.4
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
61 680 4000
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
18 200 1200
Technical Basis
No technical basis available
References
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PAC values marked with a subscript "A" correspond to 60-minute AEGL values.
PAC values marked with a subscript "E" correspond to ERPG values.
PAC values marked by * are >= 10% lower explosive limit (LEL) but < 50% LEL.
PAC values marked by ** are > 50% LEL but < 100% LEL.
PAC values marked by *** are >= LEL.