L(+)-Cysteine hydrochloride monohydrate 98.5-101.0% (alkalimetric, calculated on anhydrous substance), EMPROVE® ESSENTIAL Ph. Eur., USP, SAFC®

: MilliporeSigma

L(+)-Cysteine hydrochloride monohydrate 98.5-101.0% (alkalimetric, calculated on anhydrous substance), EMPROVE® ESSENTIAL Ph. Eur., USP, SAFC®

: MilliporeSigma

:7048-04-6

:HSCH₂CH(NH₂)COOH·HCl·H₂O

:MFCD00065606

:175.64 g/mol

:13,02810

:168…170 °C

:1.54 g/cm³

:200-157-7

:GHS07

:Ambient

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Assay (Iodometric, calc. on Dried Substance):
98.5-101.0%
Ammonium (NH4):
Max. 0.02%
Appearance:
White Crystalline Powder or Colorless Crystals
Appearance of Solution (25 g/l, water):
Clear and no more Intense in Color than BY6
Heavy metals (as Pb):
Max 0.001%
Identity (IR-spectrum):
Passes test
Iron (Fe):
Max. 0.002%
Loss on Drying (Vacuum):
Max. 12.0%
Ninhydrin-Positive Substances (TLC):
Max. 0.5%
Organic Volatile Impurities (According to USP):
Conforms
Residual Solvents (Ph.Eur./ICH):
Excluded by Manufacturing Process
Specific Rotation [a]20/D; 80 g/l; HCl 250 g/l, Dried:
+5.5 - +7.0°
Specific rotation [a]25/D; 80g/l; HCl 6mol/l, Dried:
+5.7 - +6.8°
Sulfate (SO4):
Max. 0.03%
Sulfated ash (600 °C):
Max. 0.1%