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Product Details
| Product Code |
TC470M |
| Molecular weight |
404.81 |
| Molecular formula |
C9H9HgNaO2S |
| CAS No. |
54-64-8 |
Quality Control
| Appearance (USP) |
White to light cream-colored, crystalline powder |
| Appearance (EP, BP) |
White or almost white, crystalline powder |
| Appearance (IP) |
White to light cream, crystalline powder |
| Solubility (USP) |
Freely soluble in water, soluble in alcohol, practically insoluble in ether |
| Solubility (EP, BP) |
Freely soluble in water, sparingly soluble or soluble in ethanol (96%), practically insoluble in methylene chloride |
| Solubility (IP) |
Freely soluble in water and in ethanol (95%), practically insoluble in ether |
| pH (0.8% in water) : (EP, BP) |
6.00 - 8.00 |
| pH (1% in water) : (IP) |
6.00 - 8.00 |
| pH (1% in water) : (USP) |
~6.70 |
| Appearance of solution (EP, BP) |
8% solution in water is not more opalescent than reference suspension II and not more intensely coloured than reference solution B6 |
| Identification A, melting range: (EP,BP) |
103 - 115°C |
| Identification A, FTIR : (USP) |
Matches with the standard pattern |
| Identification A : (IP) |
Pale yellow precipitate is produced |
| Identification B : (USP) |
A pale yellow precipitate is formed |
| Identification B, FTIR : (EP, BP) |
Matches with the standard pattern |
| Identification B : (IP) |
Passes |
| Identification C : (USP) |
The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay |
| Identification C : (EP, BP) |
Passes |
| Identification D : (EP, BP) |
8% solution in water gives reaction (a) of sodium |
| Mercury ions, UV : (USP) |
<= 0.70% |
| Ether-soluble matter : (IP) |
Weight of residue not more than 3 mg |
| Inorganic mercury compounds (EP, BP, IP) |
<= 0.70% |
| Loss on drying: (USP, IP, EP, BP) |
<= 0.50% (dry to constant weight under vacuum over phosphorus pentoxide, pressure not exceeding 0.7 kPa for 24 h) |
| Organic impurities, system suitability : resolution (USP) |
min. 3.5 between the thimerosal and thimerosal related compound A peaks |
| Organic impurities, system suitability : RSD (USP) |
<= 3.00% |
| Organic impurities, thiosalicylic acid : RSD (USP) |
<= 0.10% |
| Organic impurities, thimerosal related compound A : RSD (USP) |
<= 0.10% |
| Organic impurities, any other individual unspecified impurity : (USP) |
<= 0.10% |
| Organic impurities, total impurities : (USP) |
<= 1.00% |
| Assay, system suitability : resolution (USP) |
min. 3.5 between the thimerosal and thimerosal related compound A peaks |
| Assay, system suitability : RSD (USP) |
<= 0.73% |
| Assay (HPLC, on dried basis) : (USP) |
97.00 - 102.00% |
| Assay (NH4SCN Titration, on dried basis) : (IP, EP, BP) |
97.00 - 101.00% |
Storage and Shelf Life
| Storage Condition |
Store below 30°C away from bright light. |
| Shelf life |
48 months. |
CAS Number :
54-64-8
Molecular Formula :
C₉H₉HgNaO₂S
More Information
| Product Name |
Thimerosol |
| SKU |
TC470M |
| CAS No |
54-64-8 |
| EC No. |
200-210-4 |
| Molecular formula |
C₉H₉HgNaO₂S |