Guanidine Dihydrochloride -- CAS No: 50-1-1
| CAS Registry Number |
50-1-1 |
| Name |
Guanidine Dihydrochloride |
| Synonyms |
|
| Molecular Formula |
CH5N3HCL |
| Molecular Weight |
95.53 |
| Molecular Structure |
|
| Test |
G5707, 6N Solution |
G5708, 8N Solution |
| Appearance |
Clear and colorless |
Clear and colorless |
| Assay (by titration, on dried basis) |
-- |
-- |
| Molarity |
5.8 – 6.2 |
7.8 – 8.3 |
| Solubility (6M solution in H2O |
-- |
-- |
| Identification (by IR) |
Conforms to structure |
Conforms to structure |
| Melting Point |
-- |
-- |
| Water (110°C for 3 hours) |
-- |
-- |
| Water (KF) |
-- |
-- |
| pH (1:10 dilution) |
4.5 – 6.5 |
4.5 – 6.5 |
| pKa (@ 25ºC) |
-- |
-- |
| UV Absorption (1M @290nm) |
≤ 0.05% |
≤ 0.05% |
| UV Absorption (1M @280nm) |
≤ 0.05% |
≤ 0.05% |
| UV Absorption (1M @260nm) |
≤ 0.10% |
≤ 0.10% |
| Insoluble Matter |
Passes filter test |
Passes filter test |
| Biological Impurity Testing |
| Test |
C7123, Ultra Pure |
C7125, Ultra BioPur |
| Endotoxin (0.1% solution in H2O) |
≤ 0.1 EU/mL |
≤ 0.1 EU/mL |
| Bioburden |
≤ 100 CFU/g |
≤ 100 CFU/g |
| RNase, DNase, Nickase, Protease |
None detected |
None detected |
| Cell culture test |
Pass |
Pass |
| Trace Impurity Testing |
| Test |
C7123, Ultra Pure |
C7125, Ultra BioPur |
| Copper (Cu) |
≤ 1 ppm |
≤ 1 ppm |
| Cyanide (Cn) |
Pass |
Pass |
| Iron (Fe) |
≤ 1 ppm |
≤ 1 ppm |
| Lead (Pb) |
≤ 1 ppm |
≤ 1 ppm |
| Zinc (Zn) |
≤ 1 ppm |
≤ 1 ppm |
| Specification Sheet |
| Specification Sheet |
 |
|
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