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1 Kilogram |
FOB Price:USD 120.0000 -130.0000 |
119904-90-4 Anesthetic Agents pharmaceutical use
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Product name
Ribonucleic acid CAS:63231-63-0
Packaging, Storage &Shelf Life
Package
1kg/bag,25kg/ drum
Storage
Stored in original packaging for two years at a temperature not exceeding 40°C.
Shelf life
2 years if sealed and stored properly.
Specification
Characteristics |
White or Brown powder |
Identification |
Positive reaction |
Melting point |
About 190 |
pH |
2.1-2.6 |
Clarity of solution |
Clear |
Color of solution |
≤BY7 |
Copper |
≤5ppm |
Heavy metals |
≤10ppm |
lead |
≤2ppm |
Iron |
≤2ppm |
Arsenic |
≤3ppm |
Oxalic acid |
≤0.2% |
Sulphate ash(Residue on ignition) |
≤0.1% |
Specific optical rotation |
+20.5~+21.5o |
Assay |
99.0%~100.5% |
Organic volatile impurities |
Pass |
Residual solvents |
Methanol: NMT 3000pp |
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