Heptafluoropropane

1,1,1,2,3,3,3-heptafluoropropane, Apaflurane, 2-Hydroheptafluoropropane, Solkane 227, HFC 227, HFC-227ea, R-227, 2-Hydroperfluoropropane

How to detect Heptafluoropropane

Formula: C3HF7 | CAS: 431-89-0

Synonyms: 1,1,1,2,3,3,3-heptafluoropropane, Apaflurane, 2-Hydroheptafluoropropane, Solkane 227, HFC 227, HFC-227ea, R-227, 2-Hydroperfluoropropane

Specification

Specification	Value/Information
Formula	C3HF7
CAS no.	431-89-0
Gas Response Factor, 11.7 eV	ZR
Gas Response Factor, 10.6 eV	ZR
Gas Response Factor, 10.0 eV	ZR
ppm per mg/m⁻³, (20 °C, 1 bar)	0.141

Specification	Value/Information
Molecular Weight, g/mole	170.0
Melting point, °C	-131
Boiling point, °C	-17
Density, g.cm⁻³	1.39
Ionisation Energy, eV	12

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Comparative specifications
Sensor Variant	MiniPID 2 PPM WR VOC Sensor	MiniPID 2 PPM VOC Sensor	MiniPID 2 PPB WR VOC Sensor	MiniPID 2 PPB VOC Sensor	MiniPID 2 HS VOC Sensor	MiniPID 2 10.0 eV VOC Sensor	MiniPID 2 11.7 eV VOC Sensor	MiniPID 2 PPB XF Sensor
Electrode Stack Colour	Blue	Blue	White	White	Red	White + Gold Spot	White	White + Filter
Minimum Detection Limit	500 ppb	100 ppb	20 ppb	1 ppb	0.5 ppb	5 ppb	100 ppb	1 ppb
Range	0 to >10,000 ppm	0 to 4000 ppm	0 to >200 ppm	0 to >40 ppm	0 to >3 ppm	0 to >100 ppm	0 to >100 ppm	>40 ppm
Response Time T90 (s)	<3	<3	<8	<8	<12	<8	<8	<12s
Sensitivity	>0.4 mV/ppm @ 100ppm	>0.65 mV/ppm @ 100 ppm	>5 mV/ppm	>30 mV/ppm	>600 mV/ppm	>15 mV/ppm	>1 mV/ppm	>30 mV/ppm
Lamp Energy	10.6 eV	10.6 eV	10.6 eV	10.6 eV	10.6 eV	10.0 eV	11.7 eV	10.6eV
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