Input interpretation
polyprotic acids | melting point
Summary
median | 136 °C highest | 250 °C (edetic acid) lowest | -85 °C (hydrogen sulfide) distribution | | (based on 15 values; 5 unavailable)
Entities with missing values
selenic acid | sulfurous acid | hydrogen selenide | tellurous acid | carbonic acid (total: 5)
Distribution plots
(melting point in degrees Celsius)
Melting point rankings
1 | hydrogen sulfide | -85 °C 2 | sulfuric acid | 10.371 °C 3 | arsenic acid, solid | 35.5 °C 4 | phosphoric acid | 42.4 °C 5 | pyrophosphoric acid | 61 °C 6 | phosphorous acid | 74 °C 7 | phthalic acid | 79 °C 8 | malonic acid | 136 °C 9 | citric acid | 156 °C 10 | boric acid | 160 °C 11 | succinic acid | 185 °C 12 | oxalic acid | 189.5 °C 13 | ascorbic acid | 192 °C 14 | chromic acid | 196 °C 15 | edetic acid | 250 °C (based on 15 values; 5 unavailable)
Unit conversions for median melting point 136 °C
409 K (kelvins)
277 °F (degrees Fahrenheit)
736 °R (degrees Rankine)
109 °Ré (degrees Réaumur)
78.9 °Rø (degrees Rømer)
Comparison for median melting point 136 °C
(80 to 110) °C below autoignition temperature of paper (218 to 246 °C)
9 °C above hottest temperature of a Concorde nose tip (127 °C)
36 °C above water boiling point (at standard pressure) (99.9839 °C)
Corresponding quantities
Thermodynamic energy E from E = kT: | 35 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 1589 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 1.2×10^-13 lx (lux)
Nearest corresponding gas marks for median melting point 136 °C (degrees Celsius)
| temperature | usage gas mark 1 | 140 °C | United Kingdom (actual measurements may vary)