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L-Cysteine
L-2-Amino-3-mercaptopropanoic Acid
C3H7NO2S
F.W. 121.16
CAS: 52-90-4
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MSDS for L-Cysteine
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Ratings
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Health:
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2
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Flammability:
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1
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Reactivity:
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0
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Available Quantities/Sizes
† Limited Quantity
* Subject to Hazardous Material Fee
General Chemical Specifications:
| Assay (C3H7NO2S) | 98.0-102.0% | | Specific Rotation, [a]D20 (C equals 8; 1N HCl) | +7.0° to +9.0° | | Transmittance | Min. 95% | | MAXIMUM LIMITS | | Ammonium | 0.02% | | Arsenic (as As2O3) | 0.0002% | | Chloride (Cl) | 0.05% | | Heavy Metals (as Pb) | 0.001% | | Iron (Fe) | 0.003% | | Loss on Drying | 0.5% | | Residue on Ignition | 0.2% | | Sulfate (SO4) | 0.03% |
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Storage Information:
LIGHT SENSITIVE, AIR SENSITIVE, HYGROSCOPIC: Keep tightly closed in light-resistant containers.
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