|
1.
1.1
IDENTIFICATION
OF
THE
SUBSTANCE/MIXTURE
AND
OF
THE
COMPANY/UNDERTAKING
Product
identifiers
Product
name
Product
Number
Brand
CAS-No.
:
:
:
:
Dimethyl
diselenide
328502
Anonymous
7101-31-7
1.2
Relevant
identified
uses
of
the
substance
or
mixture
and
uses
advised
against
Identified
uses
:
Laboratory
chemicals,
Manufacture
of
substances 2.
2.1
2.2
HAZARDS
IDENTIFICATION
Classification
of
the
substance
or
mixture
Classification
according
to
Regulation
(EC)
No
1272/2008
[EU-GHS/CLP]
Flammable
liquids
(Category
3)
Acute
toxicity,
Oral
(Category
3)
Acute
toxicity,
Inhalation
(Category
3)
Acute
toxicity,
Dermal
(Category
3)
Classification
according
to
EU
Directives
67/548/EEC
or
1999/45/EC
Toxic
by
inhalation,
in
contact
with
skin
and
if
swallowed.
Label
elements
Labelling
according
Regulation
(EC)
No
1272/2008
[CLP]
Pictogram
Signal
word
Hazard
statement(s)
H226
H301
H311
H331
Precautionary
statement(s)
P261
P280
P301
+
P310
Danger
Flammable
liquid
and
vapour.
Toxic
if
swallowed.
Toxic
in
contact
with
skin.
Toxic
if
inhaled.
Avoid
breathing
dust/
fume/
gas/
mist/
vapours/
spray.
Wear
protective
gloves/
protective
clothing.
IF
SWALLOWED:
Immediately
call
a
POISON
CENTER
or
doctor/
physician.
P311
Supplemental
Hazard
Call
a
POISON
CENTER
or
doctor/
physician.
none
Statements
According
to
European
Directive
67/548/EEC
as
amended.
Hazard
symbol(s)
R-phrase(s)
R23/24/25
S-phrase(s)
S23
S36/37/39
S45
Toxic
by
inhalation,
in
contact
with
skin
and
if
swallowed.
Do
not
breathe
vapour.
Wear
suitable
protective
clothing,
gloves
and
eye/face
protection.
In
case
of
accident
or
if
you
feel
unwell,
seek
medical
advice
immediately
(show
the
label
where
possible).
2.3
3.
3.1
Other
hazards
-
none
COMPOSITION/INFORMATION
ON
INGREDIENTS
Substances
Synonyms
Formula
Molecular
Weight
Component
Dimethyl
diselenide
:
:
:
Methyl
diselenide
C2H6Se2
187,99
g/mol
Concentration
CAS-No.
EC-No.
7101-31-7
230-410-7
-
4.
4.1
4.2
4.3
FIRST
AID
MEASURES
Description
of
first
aid
measures
General
advice
Consult
a
physician.
Show
this
safety
data
sheet
to
the
doctor
in
attendance.
If
inhaled
If
breathed
in,
move
person
into
fresh
air.
If
not
breathing,
give
artificial
respiration.
Consult
a
physician.
In
case
of
skin
contact
Wash
off
with
soap
and
plenty
of
water.
Take
victim
immediately
to
hospital.
Consult
a
physician.
In
case
of
eye
contact
Flush
eyes
with
water
as
a
precaution.
If
swallowed
Do
NOT
induce
vomiting.
Never
give
anything
by
mouth
to
an
unconscious
person.
Rinse
mouth
with
water.
Consult
a
physician.
Most
important
symptoms
and
effects,
both
acute
and
delayed
Nausea,
Headache,
Vomiting,
To
the
best
of
our
knowledge,
the
chemical,
physical,
and
toxicological
properties
have
not
been
thoroughly
investigated.
Indication
of
any
immediate
medical
attention
and
special
treatment
needed
no
data
available
5.
5.1
5.2
5.3
5.4
6.
6.1
6.2
6.3
6.4
7.
7.1
7.2
7.3
8.
8.1
8.2
FIREFIGHTING
MEASURES
Extinguishing
media
Suitable
extinguishing
media
For
small
(incipient)
fires,
use
media
such
as
"alcohol"
foam,
dry
chemical,
or
carbon
dioxide.
For
large
fires,
apply
water
from
as
far
as
possible.
Use
very
large
quantities
(flooding)
of
water
applied
as
a
mist
or
spray;
solid
streams
of
water
may
be
ineffective.
Cool
all
affected
containers
with
flooding
quantities
of
water.
Special
hazards
arising
from
the
substance
or
mixture
Carbon
oxides,
Selenium/selenium
oxides
Advice
for
firefighters
Wear
self
contained
breathing
apparatus
for
fire
fighting
if
necessary.
Further
information
Use
water
spray
to
cool
unopened
containers.
ACCIDENTAL
RELEASE
MEASURES
Personal
precautions,
protective
equipment
and
emergency
procedures
Wear
respiratory
protection.
Avoid
breathing
vapors,
mist
or
gas.
Ensure
adequate
ventilation.
Remove
all
sources
of
ignition.
Evacuate
personnel
to
safe
areas.
Beware
of
vapours
accumulating
to
form
explosive
concentrations.
Vapours
can
accumulate
in
low
areas.
Environmental
precautions
Prevent
further
leakage
or
spillage
if
safe
to
do
so.
Do
not
let
product
enter
drains.
Methods
and
materials
for
containment
and
cleaning
up
Contain
spillage,
and
then
collect
with
an
electrically
protected
vacuum
cleaner
or
by
wet-brushing
and
place
in
container
for
disposal
according
to
local
regulations
(see
section
13).
Reference
to
other
sections
For
disposal
see
section
13.
HANDLING
AND
STORAGE
Precautions
for
safe
handling
Avoid
contact
with
skin
and
eyes.
Avoid
inhalation
of
vapour
or
mist.
Keep
away
from
sources
of
ignition
-
No
smoking.Take
measures
to
prevent
the
build
up
of
electrostatic
charge.
Conditions
for
safe
storage,
including
any
incompatibilities
Store
in
cool
place.
Keep
container
tightly
closed
in
a
dry
and
well-ventilated
place.
Containers
which
are
opened
must
be
carefully
resealed
and
kept
upright
to
prevent
leakage.
Specific
end
uses
no
data
available
EXPOSURE
CONTROLS/PERSONAL
PROTECTION
Control
parameters
Components
with
workplace
control
parameters
Exposure
controls
Appropriate
engineering
controls
Avoid
contact
with
skin,
eyes
and
clothing.
Wash
hands
before
breaks
and
immediately
after
handling
the
product.
Personal
protective
equipment
Eye/face
protection
Face
shield
and
safety
glasses
Use
equipment
for
eye
protection
tested
and
approved
under
appropriate
government
standards
such
as
NIOSH
(US)
or
EN
166(EU).
Skin
protection
The
selected
protective
gloves
have
to
satisfy
the
specifications
of
EU
Directive
89/686/EEC
and
the
standard
EN
374
derived
from
it.
Handle
with
gloves.
Gloves
must
be
inspected
prior
to
use.
Use
proper
glove
removal
technique
(without
touching
glove's
outer
surface)
to
avoid
skin
contact
with
this
product.
Dispose
of
contaminated
gloves
after
use
in
accordance
with
applicable
laws
and
good
laboratory
practices.
Wash
and
dry
hands.
Body
Protection
Complete
suit
protecting
against
chemicals,
Flame
retardant
antistatic
protective
clothing,
The
type
of
protective
equipment
must
be
selected
according
to
the
concentration
and
amount
of
the
dangerous
substance
at
the
specific
workplace.
Respiratory
protection
Where
risk
assessment
shows
air-purifying
respirators
are
appropriate
use
a
full-face
respirator
with
multi-purpose
combination
(US)
or
type
ABEK
(EN
14387)
respirator
cartridges
as
a
backup
to
engineering
controls.
If
the
respirator
is
the
sole
means
of
protection,
use
a
full-face
supplied
air
respirator.
Use
respirators
and
components
tested
and
approved
under
appropriate
government
standards
such
as
NIOSH
(US)
or
CEN
(EU).
9.
9.1
PHYSICAL
AND
CHEMICAL
PROPERTIES
Information
on
basic
physical
and
chemical
properties
a)
b)
c)
d)
e)
f)
g)
h)
Appearance
Odour
Odour
Threshold
pH
Melting
point/freezing
point
Initial
boiling
point
and
boiling
range
Flash
point
Evaporation
rate
Form:
liquid
Colour:
orange
no
data
available
no
data
available
no
data
available
no
data
available
155
-
157
°C
-
lit.
60
°C
-
closed
cup
no
data
available
i)
Flammability
(solid,
gas)
no
data
available
j)
k)
l)
Upper/lower
flammability
or
explosive
limits
Vapour
pressure
Vapour
density
no
data
available
no
data
available
no
data
available
m)
Relative
density
1,987
g/cm3
at
25
°C
n)
o)
p)
q)
r)
s)
t)
Water
solubility
Partition
coefficient:
n-
octanol/water
Autoignition
temperature
Decomposition
temperature
Viscosity
Explosive
properties
Oxidizing
properties
no
data
available
no
data
available
no
data
available
no
data
available
no
data
available
no
data
available
no
data
available
9.2
10.
10.1
10.2
10.3
10.4
10.5
10.6
11.
11.1
Other
safety
information
no
data
available
STABILITY
AND
REACTIVITY
Reactivity
no
data
available
Chemical
stability
no
data
available
Possibility
of
hazardous
reactions
no
data
available
Conditions
to
avoid
Heat,
flames
and
sparks.
Incompatible
materials
Strong
oxidizing
agents,
Strong
acids
Hazardous
decomposition
products
Other
decomposition
products
-
no
data
available
TOXICOLOGICAL
INFORMATION
Information
on
toxicological
effects
Acute
toxicity
no
data
available
Skin
corrosion/irritation
no
data
available
Serious
eye
damage/eye
irritation
no
data
available
Respiratory
or
skin
sensitization
no
data
available
Germ
cell
mutagenicity
no
data
available
Carcinogenicity
IARC:
No
component
of
this
product
present
at
levels
greater
than
or
equal
to
0.1%
is
identified
as
probable,
possible
or
confirmed
human
carcinogen
by
IARC.
Reproductive
toxicity
no
data
available
Specific
target
organ
toxicity
-
single
exposure
no
data
available
Specific
target
organ
toxicity
-
repeated
exposure
no
data
available
Aspiration
hazard
no
data
available
Potential
health
effects
Inhalation
Ingestion
Skin
Eyes
Toxic
if
inhaled.
May
cause
respiratory
tract
irritation.
Toxic
if
swallowed.
Toxic
if
absorbed
through
skin.
May
cause
skin
irritation.
May
cause
eye
irritation.
Signs
and
Symptoms
of
Exposure
Nausea,
Headache,
Vomiting,
To
the
best
of
our
knowledge,
the
chemical,
physical,
and
toxicological
properties
have
not
been
thoroughly
investigated.
Additional
Information
RTECS:
Not
available
12.
12.1
12.2
12.3
12.4
12.5
12.6
13.
13.1
14.
14.1
ECOLOGICAL
INFORMATION
Toxicity
no
data
available
Persistence
and
degradability
no
data
available
Bioaccumulative
potential
no
data
available
Mobility
in
soil
no
data
available
Results
of
PBT
and
vPvB
assessment
no
data
available
Other
adverse
effects
no
data
available
DISPOSAL
CONSIDERATIONS
Waste
treatment
methods
Product
Burn
in
a
chemical
incinerator
equipped
with
an
afterburner
and
scrubber
but
exert
extra
care
in
igniting
as
this
material
is
highly
flammable.
Offer
surplus
and
non-recyclable
solutions
to
a
licensed
disposal
company.
Contact
a
licensed
professional
waste
disposal
service
to
dispose
of
this
material.
Contaminated
packaging
Dispose
of
as
unused
product.
TRANSPORT
INFORMATION
UN
number
14.2
ADR/RID:
2929
UN
proper
shipping
name
IMDG:
2929
IATA:
2929
ADR/RID:
IMDG:
IATA:
TOXIC
LIQUID,
FLAMMABLE,
ORGANIC,
N.O.S.
(Dimethyl
diselenide)
TOXIC
LIQUID,
FLAMMABLE,
ORGANIC,
N.O.S.
(Dimethyl
diselenide)
Toxic
liquid,
flammable,
organic,
n.o.s.
(Dimethyl
diselenide)
14.3
Transport
hazard
class(es)
14.4
14.5
14.6
15.
ADR/RID:
6.1
(3)
Packaging
group
ADR/RID:
II
Environmental
hazards
ADR/RID:
no
Special
precautions
for
user
no
data
available
REGULATORY
INFORMATION
IMDG:
6.1
(3)
IMDG:
II
IMDG
Marine
pollutant:
no
IATA:
6.1
(3)
IATA:
II
IATA:
no
This
safety
datasheet
complies
with
the
requirements
of
Regulation
(EC)
No.
1907/2006.
15.1
15.2
Safety,
health
and
environmental
regulations/legislation
specific
for
the
substance
or
mixture
no
data
available
Chemical
Safety
Assessment
no
data
available
16.
OTHER
INFORMATION
Further
information
The above information is believed to be correct but does not purport to be all inclusive and
shall be used only as a guide. The information this document is based on the resent state
of our knowledge and is applicable to the product with regard to appropriate safety precautions.
It does not represent any guarantee of the properties of the product. Lookchem shall not be
held liable for any damage resulting from handling or from contact with the above product.
See reverse side of invoice or packing slip for additional terms and conditions of sale.
| 
Dimethyldiselenide
China (Mainland)] 
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Assessed
Premium
United States] 
Premium