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MSDS 
:
 N,N'-Dicyclohexylcarbodiimide, 1M solution in dichloromethane
CAS 
:
 75-09-2
SYNONYMS 
:
 DCC
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 75-09-2 |Dichloromethane | 77 | 200-838-9 |
|----------------|--------------------------------------|----------|-----------|
| 538-75-0 |N,N'-Dicyclohexylcarbodiimide | 23 | 208-704-1 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T
Risk Phrases: 22 24 40 41 43

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

EMERGENCY OVERVIEW
Harmful if swallowed. Toxic in contact with skin. Limited evidence
of a carcinogenic effect. Risk of serious damage to eyes. May cause
sensitization by skin contact.Moisture sensitive.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
May be absorbed through the skin. May cause severe irritation and
possible burns. Prolonged exposure may result in skin burns. May
cause erythema (redness) and exfoliation.
Ingestion:
May cause irritation of the digestive tract. May cause central
nervous system depression, characterized by excitement, followed by
headache, dizziness, drowsiness, and nausea. Advanced stages may
cause collapse, unconsciousness, coma and possible death due to
respiratory failure. May be harmful if swallowed.
Inhalation:
Inhalation of high concentrations may cause central nervous system
effects characterized by nausea, headache, dizziness, unconsciousness
and coma. May cause severe irritation of the respiratory tract with
sore throat, coughing, shortness of breath and delayed lung edema.
May cause blood changes. Overexposure may cause an increase in
carboxyhemoglobin levels in the blood.
Chronic:
Possible cancer hazard based on tests with laboratory animals.
Prolonged or repeated skin contact may cause dermatitis. May cause
fetal effects.

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

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Get medical aid immediately. Flush skin with plenty of water for at
least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical
aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
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. Vapors mixed with air in proper proportion will propagate a
flame. Combustible liquid. Containers may explode when heated. Will
form explosive mixtures in atmospheres having high oxygen contents.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam. Use water spray to cool fire-exposed
containers. Cool containers with flooding quantities of water until
well after fire is out.

**** 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. Remove all sources of ignition.
Provide ventilation.

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

Handling:
Wash thoroughly after handling. Use with adequate ventilation. Avoid
contact with eyes, skin, and clothing. Empty containers retain
product residue, (liquid and/or vapor), and can be dangerous. Keep
container tightly closed. Keep away from heat, sparks and flame.
Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze,
solder, drill, grind, or expose empty containers to heat, sparks or
open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a tightly closed container. Keep from contact
with oxidizing materials. Store in a cool, dry, well-ventilated area
away from incompatible substances.

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

Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne
concentrations below the permissible exposure limits.
Exposure Limits
CAS# 75-09-2:
United Kingdom, WEL - TWA: 100 ppm TWA; 350 mg/m3 TWA
United Kingdom, WEL - STEL: 300 ppm STEL; 1060 mg/m3 STEL
United States OSHA: ; 25 ppm TWA (8 hr); 125 ppm STEL (15 min); 1
ppm Action Level (See 29 CFR 1910 .1052)
Belgium - TWA: 50 ppm VLE; 177 mg/m3 VLE
France - VME: 50 ppm VME; 180 mg/m3 VME
France - VLE: 100 ppm VLE; 350 mg/m3 VLE
Germany: 100 ppm TWA; 350 mg/m3 TWA
Japan: 50 ppm OEL; 170 mg/m3 OEL
Japan: 100 ppm Ceiling; 340 mg/m3 Ceiling
Malaysia: 50 ppm TWA
Netherlands: 500 ppm STEL; 1750 mg/m3 STEL
Netherlands: 100 ppm MAC; 350 mg/m3 MAC
Russia: 50 mg/m3 TWA
Spain: 50 ppm VLA-ED; 177 mg/m3 VLA-ED
CAS# 538-75-0:


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 prevent skin
exposure.
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 slightly yellow
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 122-124 deg C
Freezing/Melting Point: 34 - 35 deg C
Autoignition Temperature: Not available.
Flash Point: 190 deg F ( 87.78 deg C)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density:
Molecular Formula: Not applicable.
Molecular Weight:

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Incompatible with strong oxidizers. Can react dangerously with
nitrogen tetroxide, liquid oxygen, potassium, sodium,
sodium-potassium alloys, lithium, potassium hydroxide with
N-methyl-N-nitroso urea, potassium t-butoxide, and finely powdered
aluminum and magnesium. occurred with with mixtures of this
materials and liquid ammonia or dimethylaminopropylamine. Can form
explosive mixtures in atmospheres having high oxygen content.
Hazardous Decomposition Products:
Hydrogen chloride, nitrogen oxides, phosgene, carbon monoxide, carbon
dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 75-09-2: PA8050000
CAS# 538-75-0: FF2160000
LD50/LC50:
CAS# 75-09-2: Draize test, rabbit, eye: 162 mg Moderate; Draize
test, rabbit, eye: 10 mg Mild; Draize test, rabbit, eye: 500 mg/24H
Mild; Draize test, rabbit, skin: 810 mg/24H Severe; Draize test,
rabbit, skin: 100 mg/24H Moderate; Inhalation, mouse: LC50 = 14400
ppm/7H; Inhalation, mouse: LC50 = 49100 mg/m3/6H; Inhalation, mouse:
LC50 = 54000 mg/m3/2H; Inhalation, mouse: LC50 = 56220 mg/m3/7H;
Inhalation, rat: LC50 = 52 gm/m3; Inhalation, rat: LC50 = 76000
mg/m3/4H; Inhalation, rat: LC50 = 52000 mg/m3/6H; Oral, mouse: LD50
= 873 mg/kg; Oral, rabbit: LD50 = 2000 mg/kg; Oral, rat: LD50 = 1600
mg/kg; Oral, rat: LD50 = 985 mg/kg.
CAS# 538-75-0: Dermal, guinea pig: LD50 = 10 mL/kg; Inhalation, rat:
LC50 = 159 mg/m3/6H; Oral, mouse: LD50 = >800 mg/kg; Oral, rat: LD50
= 400 mg/kg.
Carcinogenicity:
Dichloromethane -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 4/1/88
NTP: Suspect carcinogen
IARC: Group 2B carcinogen
N,N'-Dicyclohexylcarbodiimide -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
This chemical has a moderate potential to affect some aquatic
organisms. It is resistant to biodegradation, and has a low potential
to persist in the aquatic environment. 96-hr. EC50 (loss of
equilibrium); Fathead minnow: 99mg/L; 96-hr. EC10: 66.3 mg/L.
Bluegill sunfish: 96-hr. LC50=220 mg/L; Water flea: 24-hr. LC50=2270
mg/L; No observed effect level:1550 mg/L.

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

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

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

IATA
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2810
Packing Group: II
IMO
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2810
Packing Group: II
RID/ADR
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2810
Packing group: II
USA RQ: CAS# 75-09-2: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 22 Harmful if swallowed.
R 24 Toxic in contact with skin.
R 40 Limited evidence of a carcinogenic effect.
R 41 Risk of serious damage to eyes.
R 43 May cause sensitization by skin contact.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
S 24/25 Avoid contact with skin and eyes.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37 Wear suitable protective clothing and
gloves.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 75-09-2: 2
CAS# 538-75-0: 2
Canada
CAS# 75-09-2 is listed on Canada's DSL List.
CAS# 538-75-0 is listed on Canada's DSL List.
CAS# 75-09-2 is listed on Canada's Ingredient Disclosure List.
CAS# 538-75-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 75-09-2 is listed on the TSCA inventory.
CAS# 538-75-0 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 40 Limited evidence of a carcinogenic effect.
MSDS Creation Date: 7/13/1998 Revision #4 Date: 10/08/2003

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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