Page
1
of
3
MEMORANDUM
August
13,
2003
Subject:
Triethylene
Glycol,
PC
Code
083501.
Product
Chemistry
Science
Chapter
for
the
Reregistration
Eligibility
Decision
(
RED)
Process
(
Case
#
3146)

From:
A.
Najm
Shamim,
Ph.
D.,
Chemist
Regulatory
Management
Branch
II
Antimicrobials
Division
(
7510C)

To:
Ben
Chambliss,
Acting
Team
Leader
Regulatory
Management
Branch
II
Antimicrobials
Division
(
7510C)

Thru:
Connie
Welch,
Chief
Regulatory
Management
Branch
II
Antimicrobials
Division
(
7510C)

Enclosed
is
the
Product
chemistry
Science
Chapter
for
Tiethylene
Glycol
for
consideration
of
the
Reregistration
Eligibility
Decision
(
RED).
Page
2
of
3
Common
Name:
Triethylene
Glycol
CAS#:
112­
27­
6
Chemical
Name:
1,2­
Bis(
hydroxyethoxy)
ethane
Molecular
Formula:
C6H14O4
Color:
Colorless
Odor:
Odorless
B.
P.
285
o
C,
(
at
760
mm
Hg)
165
o
C
at
14
mm
Hg.
M.
P.
­
5
o
C
(­
7
o
C)
1
Molecular
Weight:
150.20
g/
mol
Specific
Gravity:
1.1274
Solubility:
Highly
miscible
in
water
Soluble
in
alcohol,
benzene,
toluene,
sparingly
soluble
in
ether
and
insoluble
in
petroleum
ether
Vapor
Pressure:
<
0.01
mm
Hg
at
20
o
C
(
0.00132
mm
Hg
at
25
o
C)
1
Dissociation
Constant:
Contains
no
hydrolysable
protons.
pH:
6­
9.5
Log
Kow
:
­
1.741
Flammability:
~
150
o
C
Explodability:
n/
a:
Product
is
not
explosive
Stability:
Stable
at
normal
temperatures
of
use
and
staorage
Storage
Stability:
n/
a:
Product
is
not
an
MP
or
EP
Viscosity:
39.4
cPs
at
22
o
C
Miscibility:
n/
a:
product
is
not
an
MP
or
EP
with
use
directions:
to
dilute
with
petroleum
solvents.
Corrosion
Characteristics:
Should
be
kept
in
inert
container
Oxidizing
or
Reducing:
n/
a:
Product
does
not
contain
any
oxidizing
or
reducing
agents.
Dielectric
Breakdown
Voltage:
n/
a
product
is
not
an
EP
for
use
in/
on/
around
electrical
equipment.
Structure:

OH­
CH2­
CH2­
O­
CH2­
CH2­
O­
CH2­
CH2­
OH
Page
3
of
3
References
USEPA,
2003.
"
EPA
Estimation
of
Physical/
Chemical
Properties
Program"
Http://
www.
epa.
gv/
oppt/
exposure/
docs/
episuitedl.
htm
42814401
Davis,
K.
(
1993)
Product
Chemistry
Data
of
Triethylene
Glycol:
Lab
Project
Number:
TEG61.
Unpublished
study
prepared
by
RegWest
Co.
6
p.

42814402
Davis,
K.
(
1993)
Product
Chemistry
Data
of
Triethylene
Glycol:
Lab
Project
Number:
TEG62.
Unpublished
study
prepared
by
RegWest
Co.
13
p.

42814403
Davis,
K.
(
1993)
Physical
&
Chemical
Characteristics
of
Triethylene
Glycol:
Lab
Project
Number:
TEG63.
Unpublished
study
prepared
by
RegWest
Co.
91
p.
