L-Cysteine
(15386031 | 52-90-4)

CAS: 52-90-4
Molecular Formula: C3H7NO2S
Molecular Weight: 121.16
Availablility: In Stock
Downloads: Product Specification
L-Cysteine Chemical Structure

Prepack Pricing ( GBP ‐ £ )
15386031-100g 100g £24.90
15386031-1kg 1kg £118.90
Bulk Order
Specification
Certificate of Analysis

Product Detail
Product Code 15386031
Product Name L-Cysteine
Categories Amino Acids
CAS 52-90-4
Molecular Formula C3H7NO2S
Molecular Weight 121.16
Storage Details 2 to 8 °C
Harmonised Tariff Code 29309013

Product Specification
Specific rotation +8.3°~ +9.5°
pH 4.5 ~ 5.5
SO4 0.03% max
Fe 10ppm max
Loss on Drying 0.5% max
Assay 98.0% - 101.0%
Residue on Ignition 0.1% max
NH4 0.02% max
AS2O3 1ppm max
Cl ≤0.2%
Appearance White crystalline powder
Heavy metals (as Pb) 10ppm max
State of Solution 95.0% min

Safety Information
Pictograms
Exclamation Mark
Signal word warning
Hazard statements
  • H302: Harmful if swallowed
Precautionary statements
  • P270: Do not eat, drink or smoke when using this product

  • P280: Wear protective gloves/protective clothing/eye protection/face protection

  • P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

  • P308+313: IF exposed or concerned: Get medical advice/attention