thimerosal 54-64-8 MSDS
Name: Ethylmercurithiosalicylic acid sodium salt 97.0-101.0% Material Safety Data Sheet
Synonym: Thimerosal, Merthiolate sodiu
CAS: 54-64-8
Section 1 - Chemical Product   MSDS Name:Ethylmercurithiosalicylic acid sodium salt 97.0-101.0% Material Safety Data Sheet
Synonym:Thimerosal, Merthiolate sodiu

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
54-64-8 Ethylmercurithiosalicylic acid, sodium 97.0-101 200-210-4
Hazard Symbols: T+ N
Risk Phrases: 26/27/28 33 50/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Very toxic by inhalation, in contact with skin and if swallowed.
Danger of cumulative effects. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Light sensitive.
Potential Health Effects
Eye:
Causes mild eye irritation. May cause conjunctivitis.
Skin:
May be fatal if absorbed through the skin.
Ingestion:
May be fatal if swallowed.
Inhalation:
May be fatal if inhaled. The toxicological properties of this substance have not been fully investigated.
Chronic:
Not available.

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. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
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:
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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Section 7 - HANDLING and STORAGE
  Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Do not store in direct sunlight. Store in a tightly closed container. Hormones and antibiotics room.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 54-64-8: United States OSHA: 0.1 mg/m3 Ceiling (listed under Mercury, ary and inorganic compounds).
Belgium - TWA: (listed as mercury, aryl and inorganic compounds): mg/m3 VLE (as Hg) France - VME: (listed as mercury, aryl and inorganic compounds): mg/m3 VME (as Hg) Germany: (listed as mercury, aryl and inorganic compounds): 0.1 m VME (as Hg) Malaysia: (listed as mercury, aryl and inorganic compounds): 0.1 mg/m3 TWA (as Hg) Spain: (listed as mercury, aryl and inorganic compounds): 0.1 mg/ VLA-ED (as Hg) 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: Powder
Color: white - light cream
Odor: Not available.
pH: 6-8 @ 1% aq.sol.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 232 - 233 deg C (dec.)
Autoignition Temperature: Not available.
Flash Point: > 250 deg C (> 482.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Not available.
Specific Gravity/Density:
Molecular Formula: C9H9HgNaO2S
Molecular Weight: 404.80

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, light, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases, aluminum.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide, mercury/mercury oxides.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 54-64-8: OV8400000 LD50/LC50:
CAS# 54-64-8: Draize test, rabbit, eye: 8 ug Mild; Oral, mouse: LD50 = 91 mg/kg; Oral, rat: LD50 = 75 mg/kg.
Carcinogenicity:
Ethylmercurithiosalicylic acid, sodium salt - 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: MERCURY COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 2025
Packing Group: III
IMO
Shipping Name: MERCURY COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 2025
Packing Group: III
RID/ADR
Shipping Name: MERCURY COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 2025
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ N
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with
skin and if swallowed.
R 33 Danger of cumulative effects.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 13 Keep away from food, drink and animal feeding
stuffs.
S 28A After contact with skin, wash immediately with
plenty of water.
S 36 Wear suitable protective clothing.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 54-64-8: 3
Canada
CAS# 54-64-8 is listed on Canada's DSL List.
CAS# 54-64-8 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 54-64-8 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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