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MSDS 
:
 Methylcyclohexane-d14, 99.5 atom % D
CAS 
:
 108-87-2
SYNONYMS 
:
 Cyclohexylmethane-d14; Hexahydrotoluene-d14.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 10120-28-2 |Methylcyclohexane-d14 | 99.5 | 233-325-3 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN F N
Risk Phrases: 11 38 51/53 65 67

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Highly flammable. Irritating to skin. Toxic to aquatic organisms,
may cause long-term adverse effects in the aquatic environment.
Harmful: may cause lung damage if swallowed. Vapours may cause
drowsiness and dizziness.Hygroscopic (absorbs moisture from the air).

Potential Health Effects
Eye:
May cause mild eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. Aspiration of material into the lungs may cause chemical
pneumonitis, which may be fatal. Ingestion of large amounts may cause
central nervous depression.
Inhalation:
May cause respiratory tract irritation. May cause effects similar to
those described for ingestion. Aspiration may lead to pulmonary
edema. May cause burning sensation in the chest. Inhalation of vapors
may cause drowsiness and dizziness.
Chronic:
Prolonged or repeated skin contact may cause defatting and
dermatitis. Prolonged exposure may produce a narcotic effect.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
Potential for aspiration if swallowed. Get medical aid immediately.
Do not induce vomiting unless directed to do so by medical
personnel. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Use water spray to keep fire-exposed containers
cool. Water may be ineffective. Material is lighter than water and a
fire may be spread by the use of water. Flammable liquid and vapor.
Vapors are heavier than air and may travel to a source of ignition
and flash back. Vapors can spread along the ground and collect in low
or confined areas.
Extinguishing Media:
Water may be ineffective. Do NOT use straight streams of water. For
small fires, use dry chemical, carbon dioxide, water spray or
regular foam. For large fires, use water spray, fog or regular foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Avoid runoff into storm sewers and
ditches which lead to waterways. Clean up spills immediately,
observing precautions in the Protective Equipment section. Remove all
sources of ignition. Use a spark-proof tool. Provide ventilation. A
vapor suppressing foam may be used to reduce vapors.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Ground and bond containers when transferring
material. Use spark-proof tools and explosion proof equipment. Avoid
contact with eyes, skin, and clothing. Empty containers retain
product residue, (liquid and/or vapor), and can be dangerous. Keep
container tightly closed. Do not pressurize, cut, weld, braze,
solder, drill, grind, or expose empty containers to heat, sparks or
open flames. Use only with adequate ventilation. Keep away from heat,
sparks and flame. Avoid breathing vapor or mist.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Keep from contact with oxidizing materials. Store in a
cool, dry, well-ventilated area away from incompatible substances.
Flammables-area.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or
utilizing this material should be equipped with an eyewash facility
and a safety shower. Use adequate general or local exhaust
ventilation to keep airborne concentrations below the permissible
exposure limits.
Exposure Limits
CAS# 108-87-2:
United States OSHA: 500 ppm TWA; 2000 mg/m3 TWA
Belgium - TWA: 400 ppm VLE; 1633 mg/m3 VLE
France - VME: 400 ppm VME; 1600 mg/m3 VME
Germany: 200 ppm TWA; 810 mg/m3 TWA
Japan: 400 ppm OEL; 1600 mg/m3 OEL
Malaysia: 400 ppm TWA; 1610 mg/m3 TWA
Netherlands: 400 ppm MAC; 1600 mg/m3 MAC
Russia: 50 mg/m3 TWA
Spain: 400 ppm VLA-ED; 1630 mg/m3 VLA-ED
CAS# 10120-28-2:


Personal Protective Equipment

Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: clear, colorless
Odor: Mild benzene-like odor.
pH: Not available.
Vapor Pressure: 46 mm Hg @ 25 deg C
Viscosity: Not available.
Boiling Point: 101 deg C
Freezing/Melting Point: -126.3 deg C
Autoignition Temperature: 250 deg C ( 482.00 deg F)
Flash Point: -3 deg C ( 26.60 deg F)
Explosion Limits, lower: 1.2%
Explosion Limits, upper: 6.7%
Decomposition Temperature: Not available.
Solubility in water: Insoluble.
Specific Gravity/Density: 0.8800 (water=1)
Molecular Formula: C7D14
Molecular Weight: 112.30

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Ignition sources, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 108-87-2: GV6125000
CAS# 10120-28-2 unlisted.
LD50/LC50:
CAS# 108-87-2: Draize test, rabbit, eye: 100 uL/24H Mild; Draize
test, rabbit, skin: 500 uL/24H Mild; Inhalation, mouse: LC50 = 36900
mg/m3/2H; Inhalation, rabbit: LC50 = 15227 ppm/1H; Oral, mouse: LD50
= 1.2 gm/kg; Oral, rat: LD50 = >3200 mg/kg.
CAS# 10120-28-2.
Oral, rat: LD50 = >3200 mg/kg.
500 uL/24H; reaction: Mild.
uL/24H; reaction: Mild.
Carcinogenicity:
Methylcyclohexane -
Not listed by ACGIH, IARC, or NTP.
Methylcyclohexane-d14 -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Fish: Tetrahymena pyriformis: 72mg/L; 96H

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: METHYLCYCLOHEXANE
Hazard Class: 3
UN Number: 2296
Packing Group: II
IMO
Shipping Name: METHYLCYCLOHEXANE
Hazard Class: 3.2
UN Number: 2296
Packing Group: II
RID/ADR
Shipping Name: METHYLCYCLOHEXANE
Hazard Class: 3
UN Number: 2296
Packing group: II

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN F N
Risk Phrases:
R 11 Highly flammable.
R 38 Irritating to skin.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 65 Harmful: may cause lung damage if swallowed.
R 67 Vapours may cause drowsiness and dizziness.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 33 Take precautionary measures against static
discharges.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
S 62 If swallowed, do not induce vomiting: seek
medical advice immediately and show this container or
label.
WGK (Water Danger/Protection)
CAS# 108-87-2: 1
CAS# 10120-28-2: No information available.
Canada
CAS# 108-87-2 is listed on Canada's DSL List.
CAS# 108-87-2 is listed on Canada's Ingredient Disclosure List.
CAS# 10120-28-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 108-87-2 is listed on the TSCA inventory.
CAS# 10120-28-2 is not listed on the TSCA inventory.
It is for research and development use only.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 4/05/1997 Revision #5 Date: 6/20/2002

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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