PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Potassium pyrophosphate; (Tetrapotassium diphosphorate) 7320-34-5
14.01
11.01
14.02
4.08
11.00
8.00
4.07
3.09
3.07
4.11
Formula Synonyms
K4O7P2
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
330.24 S 180 300 2.33
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
61 680 1200
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
4.5 50 89
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.