Irritant L(+)-Cysteine hydrochloride
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:52-89-1
:
Formula:HSCH₂CH(NH₂)COOH·HCl
MDL Number:MFCD00064553
:157.62 g/mol
Merck Index:13,02810
Melting Pt:175 °C
EINECS:200-157-7
:GHS07
Storage Temperature:Ambient
Specification Test Results
- Appearance:White to off-white Crystalline powder or crystals
- Infrared spectrum:Conforms
- Titration Iodimetric:98.5 to 101.0 % (on dried substance)
- Loss on drying:8.0 % to 12.0 % (1g, vacuum 0.7 kPA, 24 h)
- Sulfated ash:≤0.1 %
- Specific optical rotation:+5.5° to +7.0° (20°C, 589 nm) (c=8, 6 N HCl) (on dried substance)
- Sulfate (SO4):≤300 ppm
- Ammonium (NH4):≤200 ppm
- Iron (Fe):≤20 ppm
- Heavy metals (as Pb):≤10 ppm
Specification Test Results
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