Merck Phenol

Grade:  ACS reagent

Quality Level:  100

Agency:  reag. Ph. Eur.

vapor density:  3.24 (vs air)

vapor pressure:   0.09 psi ( 55 °C)

                           0.36 mmHg ( 20 °C)

Assay:   99.0-100.5% (bromatometric)

Form:   crystalline solid

autoignition temp.:   1319 °F

potency:   660 mg/kg LD50, skin (Rat)

expl. lim.:   8.6 %

technique(s):   UV/Vis spectroscopy: suitable

pH:   5 (20 °C, 50 g/L in H2O)

bp:   182 °C (lit.)

mp:   40-42 °C (lit.)

transition temp:   flash point 81 °C

solubility:   84 g/L

density:   1.071 g/mL at 25 °C (lit.)

bulk density:   620 kg/m3

storage temp.:   15-25°C

SMILES string:   Oc1ccccc1

InChI:   1S/C6H6O/c7-6-4-2-1-3-5-6/h1-5,7H

InChI key:   ISWSIDIOOBJBQZ-UHFFFAOYSA-N

Linkage

Replaces: PX0510; PX0510-2; PX0510-1

Analysis Note

Assay (bromatometric): 99.0 - 100.5 %

Identity (coloring 1): passes test

Identity (coloring 2): passes test

Identity (precipitate): passes test

Appearance: colourless or faintly pink or faintly yellowish crystals or crystalline masses, deliquescent

Appearance of solution (67 g/l, water): clear and not more intensely coloured than referencesolution B6

Appearance of solution (50 g/l; water): no turbidity or insoluble matter

Acidic substances: passes test

Solidification temperature (Ph Eur): ≥ 39.5 °C

Solidification temperature (ACS): ≥ 40.5 °C

Residue on evaporation (Ph Eur): ≤ 0.05 %

Residue on evaporation (ACS): ≤ 0.05 %

Water (according to Karl Fischer): ≤ 0.5 %