Knowde Enhanced TDS
Identification & Functionality
- Chemical Name
- INCI Name
- Ingredient Name
- Ingredient Origin
- Protein Type
- Cosmetic Ingredients Functions
- Pharma & Nutraceuticals Functions
- CAS No.
- 52-90-4
- Ingredients
- L-cysteine HCL Monohydrate
- Molecular formula
- C₃H₇NO₂S
- EC No.
- 200-158-2
- Product Families
- Chemical Structure
Features & Benefits
- Benefit Claims
- Benefit Claims (Health)
Applications & Uses
- Applications
- Application Format
- Hair Care Applications
- Applications
- Hair-Perm Formulations
- Pharma
- Application Details
- Excipient for API synthesis, e.g. expectorants
- Process aid in insulin fermentation
- Essential ingredient in cell culture media
Properties
- Typical Properties
- Composition
- Specifications
- Properties
- Prouced from L-Cystine obtained from vegetarian fermentation
- White powder
- BSE/TSE-free
- Free base
Value | Units | Test Method / Conditions | |
Molecular Weight | 121.16 | — | — |
pH (at 2.5 g/l) | 4.5 - 6 | — | PH. EUR. (2.2.3) |
Solubility in Water (at 20°C) | 280 | g/l | — |
Value | Units | Test Method / Conditions | |
Active Content | min. (98.5 -101.0) | % | — |
Value | Units | Test Method / Conditions | |
Ammonium | max. 300 | ppm | PH. EUR. (2.4.1/B) |
Appearance of Solution | Colorless clear liquid | — | PH. EUR. (2.2.1) |
Assay | 98.0 - 101.0 | % | Specific Method |
Chloride Content | max. 0.04 | % | PH. EUR. (2.4.4) |
Heavy Metals | max. 10 | ppm | PH. EUR. (2.4.8) |
Iron Content | max. 10 | ppm | Specific method |
Loss on Drying | max. 0.5 | % | PH. EUR. (2.2.32) |
Ninhydrin Positie Substances (each) | max. 0.50 | % | PH. EUR. (2.2.27) |
Residue on Ignition | max. 0.1 | % | PH. EUR. (2.4.14) |
Specific Rotation ([α]/D20) | 8.0 - 9.5 | Degree | PH. EUR. (2.2.7) |
Sulfate Content | max. 0.030 | % | PH. EUR. (2.4.13) |
Regulatory & Compliance
- Certifications & Compliance
- Grade
Packaging & Availability
- Country Availability
- Regional Availability
- Packaging Information
Units of 25 kg.
Storage & Handling
- Shelf Life
- 24 Months
- Storage Information
L-CYSTEINE FREE BASE Pharma has a shelf life of at least 24 months when stored in unbroken original packaging in dry storage areas.