Input interpretation
![red phosphorus](../image_source/83c2af221ac456edd0fc9ee0dff5c825.png)
red phosphorus
Chemical names and formulas
![formula | P name | red phosphorus IUPAC name | phosphorus alternate names | amorphous phosphorus | phosphorus red | red amorphous phosphorus mass fractions | P (phosphorus) 100%](../image_source/305a234526990c0da93eba377bad879d.png)
formula | P name | red phosphorus IUPAC name | phosphorus alternate names | amorphous phosphorus | phosphorus red | red amorphous phosphorus mass fractions | P (phosphorus) 100%
Structure diagram
![Structure diagram](../image_source/bf33d3287ecc503dc70d79cb92ac353d.png)
Structure diagram
Basic properties
![molar mass | 30.973761998 g/mol phase | solid (at STP) melting point | 579.2 °C density | 2.16 g/cm^3 solubility in water | insoluble](../image_source/9487c53113bc8b3b876074e608966b9b.png)
molar mass | 30.973761998 g/mol phase | solid (at STP) melting point | 579.2 °C density | 2.16 g/cm^3 solubility in water | insoluble
Units
Solid properties (at STP)
![density | 2.16 g/cm^3 vapor pressure | 0.02999 mmHg (at 21 °C)](../image_source/fb26296cf0015c8181f6db2c2aefe91d.png)
density | 2.16 g/cm^3 vapor pressure | 0.02999 mmHg (at 21 °C)
Units
Thermodynamic properties
![specific heat capacity c_p | solid | 0.6845 J/(g K) molar heat capacity c_p | solid | 21.2 J/(mol K) specific heat of formation Δ_fH° | solid | -0.5682 kJ/g molar heat of formation Δ_fH° | solid | -17.6 kJ/mol specific entropy S° | solid | 0.7361 J/(g K) molar entropy S° | solid | 22.8 J/(mol K) molar heat of fusion | 18.54 kJ/mol | specific heat of fusion | 0.5986 kJ/g | (at STP)](../image_source/3bd5125c374dbb7126b1f27de8c6fdfc.png)
specific heat capacity c_p | solid | 0.6845 J/(g K) molar heat capacity c_p | solid | 21.2 J/(mol K) specific heat of formation Δ_fH° | solid | -0.5682 kJ/g molar heat of formation Δ_fH° | solid | -17.6 kJ/mol specific entropy S° | solid | 0.7361 J/(g K) molar entropy S° | solid | 22.8 J/(mol K) molar heat of fusion | 18.54 kJ/mol | specific heat of fusion | 0.5986 kJ/g | (at STP)
Chemical identifiers
![CAS number | 7723-14-0 PubChem CID number | 5462309 PubChem SID number | 50725881 SMILES identifier | [P] InChI identifier | InChI=1/P RTECS number | TH3495000 MDL number | MFCD00133771](../image_source/4a0b73286eec53f01a7f264947e19a7b.png)
CAS number | 7723-14-0 PubChem CID number | 5462309 PubChem SID number | 50725881 SMILES identifier | [P] InChI identifier | InChI=1/P RTECS number | TH3495000 MDL number | MFCD00133771
NFPA label
![NFPA label](../image_source/66ef5728afd521a15335f5651e0972aa.png)
NFPA label
Safety properties
![autoignition point | 260 °C](../image_source/f92b51b713ccf2e8fa64b549d7ded1bd.png)
autoignition point | 260 °C