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HOME -> PRODUCTS -> L-CYSTEINE HCL
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L-CYSTEINE HCL ANHYDROUS USP |
Specifications
|
ITEMS |
SPECIFICATIONS |
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Description |
White crystalline powder |
|
Identification (IR) |
Positive |
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Specific Rotation |
+5.6º to +8.9 º |
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State of |
NLT 98.0% |
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Chloride |
22.30 – 22.60% |
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Ammonium
(NH4) |
NMT 0.02% |
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Sulfate
(SO4) |
NMT 0.020% |
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Iron (Fe) |
NMT 10 ppm |
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Heavy Metals (Pb) |
NMT 10 ppm |
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Arsenic
(As2O3) |
NTM 1 ppm |
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Other Amino Acids |
Chromatographically not detected |
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Loss on Drying |
NMT 1.0% |
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Residue on Ignition |
NMT 0.1% |
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Assay |
98.0 – 102.0% |
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pH |
1.5 – 2.0 |
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Particle Size |
100% thru 100 mesh |
