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L-Histidine Monohydrochloride Monohydrate
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A monohydrochloride monohydrate salt of L-histidine. L-Histidine is an essential amino acid. It is widely used as an ingredient in infusion.
Cas.No
5934-29-2
Assay
99.0-101.0%
Specification
White crystals or crystalline powder, odorless, slightly bitter acid taste
Applications
Infusion, Cell culture media, Biotech
Packaging
25kg&50kg
Pharmacopeia
EP,FCC
STORAGE
Controlled room temperature in tight container
SPECIFICATION AND PROCEDURE
· * The endotoxin-certified grade will be supplied on request.
State of solution
(Transmittance)
Not Less Than 98.0%
pH
3.5~4.5
Specific rotation[α]20D
+8.9~+9.5°
Ammonium (NH4)
Not More Than 0.020%
Chloride content (Cl)
16.6~17.1%
Sulfate (SO4)
Not More Than 0.020%
Iron (Fe)
Not More Than 10 ppm
Heavy metals (Pb)**
Not More Than 10 ppm
Arsenic (As2O3)
Not More Than 1 ppm
WATER
7.2 to 10.0%
Residue on ignition
Not More Than 0.10%
Related substances
Not More Than 0.2%
Endotoxin*
Less Than 6.0 EU/g
Assay (dry basis)
99.0~101.0%
· ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.