CRESOLS 133
4. CHEMICAL AND PHYSICAL INFORMATION
4.1 CHEMICAL IDENTITY
Data pertaining to the chemical identity of cresols are listed in Table 4-1.
4.2 PHYSICAL AND CHEMICAL PROPERTIES
The physical and chemical properties of cresols are presented in Table 4-2.
CRESOLS 134
4. CHEMICAL AND PHYSICAL INFORMATION
Table 4-1. Chemical Identity of Cresols
o-, m-,
Characteristics
o-Cresol
p-Cresol
m-Cresol
p-Cresol
References
Chemical name
o-Cresol
p-Cresol
m-Cresol
(o, m, p)-Cresol
ChemID 2008
Synonyms
2-Methylphenol;
4-Methylphenol;
3-Methylphenol
Methylphenol;
ChemID 2008;
2-hydroxy- 4-hydroxy- 3-hydroxy- hydroxytoluene; HSDB 2008;
toluene; toluene; toluene; cresylic acid SANSS 1989
o-cresylic acid
p-cresylic acid
m-cresylic acid
Trade names
No data
No data
No data
No data
Chemical
C
7
H
8
O
C
7
H
8
O
C
7
H
8
O
C
7
H
8
O
ChemID 2008
formula
Chemical
OH
OH
OH
Mixture of three
structure previous
isomers
Identification
numbers:
CAS registry
95-48-7
106-44-5
108-39-4
1319-77-3
ChemID 2008
NIOSH
GO6300000
GO6475000
GO61250000
GO5950000
SANSS 1989
RTECS
EPA
F004; U052
F004; U052
F004; U052
F004; U052
HSDB 2008
hazardous
waste
DOT/UN/NA/
UN 2022;
UN 2022;
UN 2022;
UN 2022;
HSDB 2008
IMCO UN 3455; UN 3455; UN 3455; UN 3455;
shipping UN 2076; UN 2076; UN 2076; UN 2076;
IMO 6.1
IMO 6.1
IMO 6.1
IMO 6.1
HSDB
1813
1814
1815
250
HSDB 2008
NCI
No data
No data
No data
No data
CAS = Chemical Abstracts Service; DOT/UN/NA/IMCO = Department of Transportation/United Nations/North
America/Intergovernmental Maritime Consultive Organization; EPA = Environmental Protection Agency;
HSDB = Hazardous Substance Data Bank; NCI = National Cancer Institute; NIOSH = National Institute for
Occupational Safety and Health; RTECS = Registry of Toxic Effects of Chemical Substances
CRESOLS 135
4. CHEMICAL AND PHYSICAL INFORMATION
Table 4-2. Physical and Chemical Properties of Cresols
o-Cresol
m-Cresol
p-Cresol
Mixture of o-, p-,
and m-cresol
References
108.14
108.14
108.14
108.14
O’Neil et al. 2001
White crystals
darken with
age
Colorless to
yellowish
No data
Colorless,
yellowish,
brownish-
yellow, or
pinkish
O’Neil et al. 2001
Solid
Liquid
Solid
Liquid
O’Neil et al. 2001
30.944 °C
12.22 °C
34.739 °C
11–35 °C
Lewis 2001;
Riddick et al. 1986
1 atm
191.004 °C
202.32 °C
201.94 °C
191–203 °C
Riddick et al. 1986
10 mmHg
74.9 °C
86 °C
85.7 °C
No data
Lewis 2001; Lide
2005
1.047 g/mL
1.034 g/mL
1.0341 g/mL
1.030–1.038 g/mL
O’Neil et al. 2001
Phenol-like
Phenol-like
Phenol-like
Phenol-like
O’Neil et al. 2001
Water
No data
0.037 ppm
No data
No data
Amoore and
Hautala 1983
Air
No data
0.00028 ppm
No data
No data
Amoore and
Hautala 1983
Water at 25 °C
25,950 ppm
22,700 ppm
21,520 ppm
No data
Yalkowsky et al.
1987
Organic solvents
Alcohol, ether,
acetone,
benzene,
chloroform,
alkali
hydroxides
(aqueous)
Alcohol, ether,
acetone,
benzene,
chloroform,
alkali
hydroxides
(aqueous)
Alcohol,
ether,
acetone,
benzene,
chloroform,
alkali
hydroxides
(aqueous)
Alcohol, glycol,
base
Lewis 2001; Lide
2005; O’Neil et al.
2001
Log octanol/water
1.95
1.96
1.94
No data
Hansch and Leo
1985
Log K
oc
1.03
1.54
1.69
No data
Artiola-Fortuny
and Fuller 1982;
Boyd 1982
25 °C
0.299 mmHg
0.138 mmHg
0.11 mmHg
No data
AIChE 1989,2000,
Chao et al. 1983
CRESOLS 136
4. CHEMICAL AND PHYSICAL INFORMATION
Table 4-2. Physical and Chemical Properties of Cresols
Mixture of o-, p-,
o-Cresol
m-Cresol
p-Cresol
and m-cresol
References
atm/m
3
-molecule at 1.2x10
-6
8.65x10
-7
7.92x10
-7
No data Gaffney et al.
25 °C (calculated 1987; Hine and
from vapor Mookerjee 1975
pressure and
water
solubility)
81 °C
85 °C
86 °C
82 °C
Lewis 2001
1.4% (lower)
1.1% (lower)
1.1% (lower)
HSDB 2008
ppm (v/v) to mg/m
3
4.50
4.50
4.50
4.50
Verschueren 1983
in air (20 °C)
mg/m
3
to ppm (v/v)
0.22
0.22
0.22
0.22
Verschueren 1983
in air (20 °C)
Log BCF
1.25
1.30
1.24
No data
Freitag et al. 1985;
(calculated (calculated Thomas 1982
from K
ow
)
from K
ow
)
No data
No data
No data
No data