8.17043 EMD Millipore


Thimerosal Ph Eur,BP,USP. CAS 54-64-8, pH 6.7 (10 g/l, H₂O, 20 °C)., Ph Eur,BP

  • CAS Number 54-64-8

  • Linear Formula C₉H₉HgNaO₂S

  • Molecular Weight 404.8 g/mol

  •  EC Number 200-210-4



Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfur Compounds
grade   Ph Eur,BP
packaging   1 kg in Metal can (8170431000)
  100 g in Glass bottle (8170430100)
solubility   1000 g/l
flash point   250 °C
mp   232 - 233 °C (decomposition)
pH   6.7 (10 g/l, H₂O, 20 °C)
bulk density   450 kg/m3
LD 50 oral   LD50 Rat 75 mg/kg
shipped in   ambient
storage temp.   Store at +15°C to +25°C.
specifications   Assay (Ph Eur, calculated on dried substance): 97.0 - 101.0 %
  Identity: passes test
  Clarity of solution: passes test
  pH-value: 6.0 - 8.0
  Ether-soluble substances: ≤ 0.8 %
  Free mercury ions: ≤ 0.70 %
  Diethyl ether: ≤ 5000 ppm
  Ethanol: ≤ 5000 ppm
  Other residual solvents (ICH Q3C): excluded by the production process
  Loss on drying: ≤ 0.5 %
  Readily carbonisable substance: passes test
  Corresponds to Ph Eur, BP

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Safety & Documentation

Safety Information

HS Code 
2852 10 00
Hazard Statement(s) 
H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled
H373: May cause damage to organs through prolonged or repeated exposure.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3 highly water endangering
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Very toxic  Very toxic
Declaration (railroad and road) ADR, RID 
UN 2025 , 6.1, II
Declaration (transport by air) IATA-DGR 
UN 2025 , 6.1, II
Declaration (transport by sea) IMDG-Code 
UN 2025 , 6.1, II, Marine Pollutant: P, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds))11 (Mercury and mercury compounds)
Categories of danger 
very toxic, dangerous for the environment
R Phrase 
R 26/27/28-33-50/53
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.
S Phrase 
S 13-28-36-45-60-61
Keep away from food, drink and animal feedingstuffs.After contact with skin, wash immediately with plenty of soap and water.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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