**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 123-63-7 |Paraldehyde | 100.0 | 204-639-8 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F
Risk Phrases: 11
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Highly flammable.
Potential Health Effects
Eye:
Causes eye irritation. May result in corneal injury.
Skin:
Exposure may cause irritation characterized by redness, dryness, and
inflammation.
Ingestion:
May cause irritation of the digestive tract. May cause central
nervous system depression, kidney damage, and liver damage. Symptoms
may include: headache, excitement, fatigue, nausea, vomiting,
stupor, and coma.
Inhalation:
Inhalation of high concentrations may cause central nervous system
effects characterized by nausea, headache, dizziness, unconsciousness
and coma. Causes respiratory tract irritation. May cause liver and
kidney damage.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Chronic
inhalation may cause effects similar to those of acute inhalation.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Flush skin with plenty of water for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if
irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
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:
Containers can build up pressure if exposed to heat and/or fire. As
in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Vapors can travel to a source of ignition and flash
back. Use water spray to keep fire-exposed containers cool.
Extinguishing Media:
Use dry chemical, carbon dioxide, or alcohol-resistant 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. Wear appropriate protective
clothing to minimize contact with skin. Remove all sources of
ignition.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Empty containers retain product residue,
(liquid and/or vapor), and can be dangerous. Do not pressurize, cut,
weld, braze, solder, drill, grind, or expose empty containers to
heat, sparks or open flames.
Storage:
Keep away from sources of ignition. Store in a tightly closed
container.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits.
Exposure Limits
CAS# 123-63-7:
Russia: 5 mg/m3 TWA
Personal Protective Equipment
Eyes:
Wear chemical splash goggles and face shield.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear polyethylene gloves, apron, and/or clothing.
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: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available
Boiling Point: 124 deg C
Freezing/Melting Point: 12 deg C
Autoignition Temperature: Not applicable.
Flash Point: 17 deg C ( 62.60 deg F)
Explosion Limits, lower: 1.3
Explosion Limits, upper: 7
Decomposition Temperature:
Solubility in water: Miscible with water
Specific Gravity/Density: 0.99
Molecular Formula: (CH3CHO)3
Molecular Weight: 132.0822
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable.
Conditions to Avoid:
High temperatures, temperatures above 220C.
Incompatibilities with Other Materials:
Oxidizing materials
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 123-63-7: YK0525000
LD50/LC50:
CAS# 123-63-7: Draize test, rabbit, eye: 5 mg Severe; Oral, mouse:
LD50 = 2750 mg/kg; Oral, rabbit: LD50 = 3304 mg/kg; Oral, rat: LD50 =
1530 mg/kg; Skin, rabbit: LD50 = 14100 uL/kg.
Carcinogenicity:
Paraldehyde -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Other
No information available.
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: PARALDEHYDE
Hazard Class: 3
UN Number: 1264
Packing Group: III
IMO
Shipping Name: PARALDEHYDE
Hazard Class: 3
UN Number: 1264
Packing Group: III
RID/ADR
Shipping Name: PARALDEHYDE
Hazard Class: 3
UN Number: 1264
Packing group: III
USA RQ: CAS# 123-63-7: 1000 lb final RQ; 454 kg final RQ
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F
Risk Phrases:
R 11 Highly flammable.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 29 Do not empty into drains.
S 33 Take precautionary measures against static
discharges.
WGK (Water Danger/Protection)
CAS# 123-63-7: No information available.
Canada
CAS# 123-63-7 is listed on Canada's DSL List.
CAS# 123-63-7 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 123-63-7 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 12/12/1997 Revision #2 Date: 3/18/2003
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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