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Contact SuppliersCAS NO.142-47-2
CAS NO.142-47-2
Monosodium Glutamate is a sodium salt of glutamic acid. Is an odorless colorless crystals,
melting at 232 ℃ when the disintegration. Good water-soluble sodium glutamate, dissolved in
100 ml of water to 74 grams of sodium glutamate.
Item |
Specification |
Appearance |
White or colorless crystal |
Assay |
98.0% |
State of solution (transmittance) |
Clear and colorless not less than 98.0% |
Chloride (Cl) |
Not more than 0.039% |
Ammonium(NH4) |
Not more than0.02% |
Sulfate(so4) |
Not more than 0.026% |
Iron (Fe) |
Not more than 5PPM |
Heavy metals (pb) |
Not more than 10PPM |
Arsenic (ASO3) |
Not more than 0.5PPM |
Zn |
Not more than 0.5PPM |
Pb |
Not more than 1PPM |
Pyrrolidone Carboxylic acid |
Not more than 0.2% |
Total Plate Count |
Not more than 1000cfu/g |
Other amino acids |
Conforms |
Loss on drying |
Not more than 0.50% |
Specific rotation (a)20 |
+24.7 ~+25.2 |
PH |
6.7~7.2 |