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MSDS 
:
 2-Chloroacrylonitrile, 99% (stabilized with ca. 500 ppm hydroquinone)
CAS 
:
 123-31-9
SYNONYMS 
:
 alpha-Chloroacrylonitrile; 2-Chloro-2-propenenitrile.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 123-31-9 |Hydroquinone | 0.05 | 204-617-8 |
|----------------|--------------------------------------|----------|-----------|
| 920-37-6 |2-Chloroacrylonitrile | 99 | 213-055-2 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T+ F
Risk Phrases: 11 28 36/37/38

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

EMERGENCY OVERVIEW
Highly flammable. Very toxic if swallowed. Irritating to eyes,
respiratory system and skin.Light sensitive.

Potential Health Effects
Eye:
Causes severe eye irritation. Lachrymator (substance which
increases the flow of tears).
Skin:
Causes skin irritation. Harmful if absorbed through the skin. May
cause skin sensitization, an allergic reaction, which becomes
evident upon re-exposure to this material. May be metabolized to
cyanide which in turn acts by inhibiting cytochrome oxidase impairing
cellular respiration.
Ingestion:
May be fatal if swallowed. May cause central nervous system effects.
Metabolism may release cyanide, which may result in headache,
dizziness, weakness, collapse, unconsciousness and possible death.
Inhalation:
May be fatal if inhaled. Causes respiratory tract irritation. May be
metabolized to cyanide which in turns act by inhibiting cytochrome
oxidase impairing cellular respiration.
Chronic:
No information found.

**** 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 immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
POISON material. If swallowed, get medical aid immediately. Only
induce vomiting if directed to do so by medical personnel. Never give
anything by mouth to an unconscious person.
Inhalation:
POISON material. If inhaled, get medical aid immediately. Remove
victim to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen.
Notes to Physician:
Antidote:
Always have a cyanide antidote kit on hand when working with cyanide
compounds. Get medical advice to use.

**** 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. Flammable liquid and vapor. Fire or excessive heat may result
in violent rupture of the container due to bulk polymerization.
Approach fire from upwind to avoid hazardous vapors and toxic
decomposition products. 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:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog or
alcohol-resistant foam. Do NOT use straight streams of water. 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. Water spray may reduce vapor but may not
prevent ignition in closed spaces.

**** 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. Do not
get in eyes, on skin, or on 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. Do
not breathe vapor. Use only with adequate ventilation. Keep away from
heat, sparks and flame. Pure vapor will be uninhibited and may
polymerize in vents or other confined spaces.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a cool, dry, well-ventilated area away from
incompatible substances. Keep containers tightly closed.

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

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use process enclosure,
local exhaust ventilation, or other engineering controls to control
airborne levels. See 29CFR 1910.1045 for regulations applying to all
occupational exposures to acrylonitrile.
Exposure Limits
CAS# 123-31-9:
United Kingdom, WEL - TWA: 0.5 mg/m3 TWA
United Kingdom, WEL - STEL: 1.5 mg/m3 STEL
United States OSHA: 2 mg/m3 TWA
Belgium - TWA: 2 mg/m3 VLE
France - VME: 2 mg/m3 VME
Germany: 2 mg/m3 TWA (inhalable fraction)
Malaysia: 2 mg/m3 TWA
Netherlands: 2 mg/m3 MAC
Spain: 2 mg/m3 VLA-ED
CAS# 920-37-6:


Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
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, colorless to light straw
Odor: No data
pH: Not available.
Vapor Pressure: 14 mm Hg
Viscosity: Not available.
Boiling Point: 88-89 deg C @ 760 mm Hg
Freezing/Melting Point: -65 deg C
Autoignition Temperature: Not applicable.
Flash Point: 6 deg C ( 42.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 1.0960 g/cm3
Molecular Formula: C3H2ClN
Molecular Weight: 87.51

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

Chemical Stability:
Stable under normal temperatures and pressures. May polymerize on
exposure to light. This material is a monomer and may polymerize
under certain conditions if the stabilizer is lost. May polymerize
explosively when heated or involved in a fire.
Conditions to Avoid:
Light, ignition sources, excess heat, loss of inhibitor, confined
spaces.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong reducing agents, strong acids, strong
bases, polymerizing initiators.
Hazardous Decomposition Products:
Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide,
cyanides.
Hazardous Polymerization: May occur.

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

RTECS#:
CAS# 123-31-9: MX3500000
CAS# 920-37-6: AT5525000
LD50/LC50:
CAS# 123-31-9: Oral, mouse: LD50 = 245 mg/kg; Oral, mouse: LD50 =
350 mg/kg; Oral, rabbit: LD50 = 200 mg/kg; Oral, rat: LD50 = 302
mg/kg; Oral, rat: LD50 = 320 mg/kg.
CAS# 920-37-6: Inhalation, mouse: LC50 = 105 mg/m3/2H; Oral, mouse:
LD50 = 25 mg/kg; Oral, rat: LD50 = 25 mg/kg.
Oral, rats and mice: LD50 = 25-50 mg/kg
mg/L/6H.
Carcinogenicity:
Hydroquinone -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
2-Chloroacrylonitrile -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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



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

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

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

IATA
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.*
Hazard Class: 3 (6.1)
UN Number: 1992
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3.1 (6.1)
UN Number: 1992
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3
UN Number: 1992
Packing group: II
USA RQ: CAS# 123-31-9: 100 lb final RQ; 45.4 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ F
Risk Phrases:
R 11 Highly flammable.
R 28 Very toxic if swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37/39 Wear suitable 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# 123-31-9: 2
CAS# 920-37-6: No information available.
Canada
CAS# 123-31-9 is listed on Canada's DSL List.
CAS# 920-37-6 is listed on Canada's NDSL List.
CAS# 123-31-9 is listed on Canada's Ingredient Disclosure List.
CAS# 920-37-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 123-31-9 is listed on the TSCA inventory.
CAS# 920-37-6 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 22 Harmful if swallowed.
R 40 Limited evidence of a carcinogenic effect.
R 41 Risk of serious damage to eyes.
R 43 May cause sensitization by skin contact.
R 50 Very toxic to aquatic organisms.
MSDS Creation Date: 5/14/1998 Revision #4 Date: 10/15/2003

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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