Phenol

Phenol
Names
IUPAC name
Phenol
Ither names
Carbolic acid, benzenol, phenylic acid, hydroxybenzene, phenic acid
Identifiers
CAS Nummer
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
KEGG
RTECS nummer SJ3325000
UNII
Properties
C6H6O
Molar mass 94.11 g·mol−1
Appearance Transparent crystalline solid
Odour Sweet an tarry
Density 1.07 g/cm3
Meltin pynt 40.5 °C (104.9 °F; 313.6 K)
Bylin pynt 181.7 °C (359.1 °F; 454.8 K)
Solubility in watter
8.3 g/100 mL (20 °C)
Vapour pressur 0.4 mmHg (20°C)[1]
Acidity (pKa) 9.95 (in watter),

29.1 (in acetonitrile)[2]

λmax 270.75 nm[3]
Dipole moment
1.224 D
Hazards
GHS pictograms [4]
GHS hazard statements H301, H311, H314, H331, H341, H373[4]
GHS precautionary statements P261, P280, P301+310, P305+351+338, P310[4]
NFPA 704
NFPA 704 four-colored diamondFlammability code 2: Must be moderately heatit or exposed tae relatively heich ambient temperature before igneetion can occur. Flash pynt atween 38 an 93 °C (100 an 200 °F). E.g., diesel fuelHealth code 3: Short exposur could cause serious temporary or residual injury. E.g., chlorine gasReactivity (yellae): no hazard codeSpecial hazard COR: Corrosive; strang acid or base. E.g., sulfuric acid, potassium hydroxide
2
3
COR
Flash pynt 79 °C (174 °F; 352 K)
Explosive leemits 1.8–8.6%[1]
Lethal dose or concentration (LD, LC):
LD50 (Median dose)
317 mg/kg (rat, oral)
270 mg/kg (moose, oral)[5]
LDLo (Lawest published)
420 mg/kg (rabbit, oral)
500 mg/kg (dog, oral)
80 mg/kg (cat, oral)[5]
LC50 (Median concentration)
19 ppm (mammal)
81 ppm (rat)
69 ppm (moose)
US heal exposur leemits (NIOSH):
PEL (Permissible)
TWA 5 ppm (19 mg/m3) [skin][1]
REL (Recommendit)
TWA 5 ppm (19 mg/m3) C 15.6 ppm (60 mg/m3) [15-minute] [skin][1]
IDLH (Immediate danger)
250 ppm[1]
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Phenol, kent as carbolic acid an aw, is an aromatic organic compoond wi the molecular formula C6H5OH.

References

  1. a b c d e NIOSH Pocket Guide tae Chemical Hazards 0493
  2. Kütt, Agnes; Movchun, Valeria; Rodima, Toomas; Dansauer, Timo; Rusanov, Eduard B.; Leito, Ivo; Kaljurand, Ivari; Koppel, Juta; Pihl, Viljar; Koppel, Ivar; Ovsjannikov, Gea; Toom, Lauri; Mishima, Masaaki; Medebielle, Maurice; Lork, Enno; Röschenthaler, Gerd-Volker; Koppel, Ilmar A.; Kolomeitsev, Alexander A. (2008). "Pentakis(trifluoromethyl)phenyl, a Sterically Crowded and Electron-withdrawing Group: Synthesis and Acidity of Pentakis(trifluoromethyl)benzene, -toluene, -phenol, and -aniline". The Journal of Organic Chemistry. 73 (7): 2607–20. doi:10.1021/jo702513w. PMID 18324831.
  3. http://omlc.ogi.edu/spectra/PhotochemCAD/html/phenol.html
  4. a b c Sigma-Aldrich Co. Retrieved on 2013-07-20.
  5. a b "Phenol". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).