PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Octafluorocyclobutane; (Cyclooctafluorobutane; Freon C-318) 115-25-3 1976
14.01
11.01
14.02
4.08
11.00
3.05
7.11
10.00
4.11
Formula Synonyms
C4F8 OCTAFLUOROCYCLOBUTANE, C 318, FC 318, FC-C 318, FKWC 318, FLON C 318, FREON C 318, FRON C 318, GAS REFRIGERANTE RC-318 (DOT SPANISH), GAZ RÉFRIGÉRANT RC-318 (DOT FRENCH), HFC-C 318, OCTAFLUOROCICLOBUTANO (DOT SPANISH), OCTAFLUOROCYCLOBUTANE (DOT FRENCH), PERFLUOROCYCLOBUTANE, PROPELLANT C 318, R 318, R-C 318, REFRIGERANT GAS RC-318
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
200.03 G -41.4 -6.04 1.513 @ -21°C
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
400 4400 27000
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
3300 36000 220000
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.