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Name:
Styrene-d8 stabilized 98+ atom% D
Synonym:
Ethenylbenzene; Vinylbenzen
CAS:
100-42-5
Section 1 - Chemical Product
MSDS Name:Styrene-d8 stabilized 98+ atom% D
Synonym:Ethenylbenzene; Vinylbenzen
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name emsds EINECS#
100-42-5 Styrene-d8 98 242-995-6
Hazard Symbols: XN
Risk Phrases: 10 36/38 20

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Flammable. Irritating to eyes and skin. Harmful by inhalation.Light sensitive.Air sensitive.Cancer suspect agent.
Potential Health Effects
Eye:
Causes severe eye irritation. Contact produces irritation, tearing, and burning pain. May cause conjunctivitis. Lachrymator (substance which increases the flow of tears). Causes redness and pain.
Skin:
Causes moderate skin irritation. May cause dermatitis. Causes redness and pain.
Ingestion:
May cause central nervous system depression, kidney damage, and liver damage. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
Harmful if inhaled. Causes respiratory tract irritation. May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema.
May cause narcotic effects in high concentration.
Chronic:
May cause liver and kidney damage. Prolonged exposure may produce a narcotic effect. Prolonged or repeated exposure may cause nausea, dizziness, and headache. Repeated exposure may cause central nervous system damage.

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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. 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. Vapors may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. Will burn if involved in a fire. Water may be ineffective. Material is lighter than water and a fire may be spread by the use of water. Forms peroxides of unknown stability. Flammable liquid and vapor.
Extinguishing Media:
Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide. Water may be ineffective.

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.
Use a spark-proof tool.

Section 7 - HANDLING and STORAGE
Handling:
Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Storage:
Keep away from sources of ignition. Do not store in direct sunlight.
Store in a tightly closed container. Store in a dry area.
Refrigerator/flammables. Store under an inert atmosphere.

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# 100-42-5: United Kingdom, WEL - TWA: 100 ppm TWA; 430 mg/m3 TWA United Kingdom, WEL - STEL: 250 ppm STEL; 1080 mg/m3 STEL United States OSHA: 100 ppm TWA; 200 ppm Ceiling Belgium - TWA: 50 ppm VLE; 216 mg/m3 VLE Belgium - STEL: 100 ppm VLE; 432 mg/m3 VLE France - VME: 50 ppm VME; 215 mg/m3 VME Germany: 20 ppm TWA; 86 mg/m3 TWA Japan: 20 ppm OEL; 85 mg/m3 OEL Malaysia: 20 ppm TWA; 85.2 mg/m3 TWA Netherlands: 25 ppm MAC; 107 mg/m3 MAC Russia: 30 mg/m3 TWA Russia: 10 mg/m3 STEL Spain: 20 ppm VLA-ED; 86 mg/m3 VLA-ED Spain: 40 ppm VLA-EC; 172 mg/m3 VLA-EC CAS# 19361-62-7: Personal Protective Equipment Eyes: Not available.
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: Clear liquid
Color: colorless
Odor: characteristic odor - penetrating odor - pungent odo
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 50 - 51 deg C @ 25.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 32 deg C ( 89.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .9790g/cm3
Molecular Formula: C6D5CD=CD2
Molecular Weight: 112.22

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Prolonged exposure to air and sunlight may form unstable peroxides.
Conditions to Avoid:
High temperatures, incompatible materials, light, ignition sources, exposure to air, exposure to moist air or water, temperatures above 40C.
Incompatibilities with Other Materials:
Oxidizing materials, sulfuric acid, chlorosulfonic acid, oleum, dibenzoyl peroxide.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 100-42-5: WL3675000 CAS# 19361-62-7 unlisted.
LD50/LC50:
CAS# 100-42-5: Draize test, rabbit, eye: 100 mg Severe; Draize test, rabbit, eye: 100 mg/24H Moderate; Draize test, rabbit, skin: 100% Moderate; Inhalation, mouse: LC50 = 21000 mg/m3/2H; Inhalation, mouse: LC50 = 9500 mg/m3/4H; Inhalation, rat: LC50 = 11800 mg/m3/4H; Oral, mouse: LD50 = 316 mg/kg; Oral, rat: LD50 = 2650 mg/kg; Oral, rat: LD50 = 5000 mg/kg.
CAS# 19361-62-7.
Carcinogenicity:
Styrene - IARC: Group 2B carcinogen Styrene-d8 - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
Ecotoxicity:
CAS# 100-42-5: Fish toxicity: LC50 (96 hr) sheepshead minnow, bluegill sunfish 9.1, 25 mg/l, respectively (Heitmuller, P.T. et al Bull.Environ.Contam.Toxicol. 1981, 27, 596-604; Pickering,Q.H. et al J.Water Pollut.Control Fed. 1966, 38, 1419-1429).
LC50 (24 hr) goldfish 26 mg/l (Bridie,A.L. et al Water Res. 1979, 13, 623).
Invertebrate toxicity: Cell multiplication inhibition test Pseudomonas putida, Scenedesmus quadricauda and Entosiphon sulcatum 72, >200 and >256 mg/l, respectively (Bringmann,G. et al Water Res.
1980, 14, 231-241) For further information see DOSE.

Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: STYRENE MONOMER, INHIBITED
Hazard Class: 3
UN Number: 2055
Packing Group: III
IMO
Shipping Name: STYRENE MONOMER, INHIBITED
Hazard Class: 3.3
UN Number: 2055
Packing Group: III
RID/ADR
Shipping Name: STYRENE MONOMER, INHIBITED
Hazard Class: 3
UN Number: 2055
Packing group: III
USA RQ: CAS# 100-42-5: 1000 lb final RQ; 454 kg final RQ

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 10 Flammable.
R 20 Harmful by inhalation.
R 36/38 Irritating to eyes and skin.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
WGK (Water Danger/Protection)
CAS# 100-42-5: 2
CAS# 19361-62-7: No information available.
Canada
CAS# 100-42-5 is listed on Canadas DSL List.
CAS# 19361-62-7 is listed on Canadas NDSL List.
CAS# 100-42-5 is listed on Canadas Ingredient Disclosure List.
CAS# 19361-62-7 is not listed on Canadas Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 100-42-5 is listed on the TSCA inventory.
CAS# 19361-62-7 is listed on the TSCA inventory.