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Ethylmercurithiosalicylic acid, sodium salt, Pharmpur®, Ph Eur, USP

- Synonyms: Thimerosal, Thiomersal, Merthiolate, 2-(Ethylmercury)thiobenzoic acid sodium salt
- C9H9HgNaO2S
- M = 404,81 g/mol
- CAS [54-64-8]
- EINECS-No.: 200-210-4
- Solub. in water: (20 ºC): soluble
- Melting point: 232 - 233 ºC (decomposes)
- LD 50 (oral, rat): 75 mg/kg
- EC-Index-No.: 080-004-00-7
- ADR: 6.1 T5 II UN 2025
- IMDG: 6.1 II UN 2025
- IATA/ICAO: 6.1 II UN 2025
- GHS-signal word: Danger
- GHS-H sentences: H300 - H310 - H330 - H373 - H400 - H410
- GHS-P sentences: P260 - P284 - P301+P310 - P320 - P405 - P501a
- Tariff number: 2852 10 00 00
- Applications: synthesis of organic products, for pharmaceutical use.

SPECIFICATIONS
assay (titrimetric, on dried sample): 97,0-101,0 %
assay (chromatography, on dried substance): 97,0-101,0 %
melting point: 103 - 115 ºC
Identification IR: passes test
Identification sulfates: passes test
Identification B (USP): passes test
Identification C (USP): passes test
appearance of solution: passes test
pH (0,8 %, H2O): 6,0 - 8,0
inorganic mercury compounds: max. 0,7 %

thiosalicylic acid: max. 0,5 %
thimerosal related compound A: max. 0,5 %
any other individual unspecified impurity: max. 0,5 %
total impurities: max. 1,0 %
loss on drying : max. 0,5 %