Molekula
Cisteína (TF)
L-Cysteine (TF)
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
L-Cysteine (TF) is a semi-synthetic, thiol-containing amino acid widely used in pharmaceuticals, cosmetics, and food processing as a reducing agent, hair straightening treatment, and flavor enhancer. It is also employed in the synthesis of other chemicals and as a nutrient supplement. This product has a CAS number of 52-90-4, molecular formula HSCH2CH(NH2)CO2H, and a molecular weight of 121.16 g/mol. It should be stored between 2 to 8°C and carries a signal word of "Warning" for safety classification. Molekula supplies L-Cysteine (TF) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
L-Cysteine (TF) is a semi-synthetic, thiol-containing amino acid widely used in pharmaceuticals, cosmetics, and food processing as a reducing agent, hair straightening treatment, and flavor enhancer. It is also employed in the synthesis of other chemicals and as a nutrient supplement. This product has a CAS number of 52-90-4, molecular formula HSCH2CH(NH2)CO2H, and a molecular weight of 121.16 g/mol. It should be stored between 2 to 8°C and carries a signal word of "Warning" for safety classification. Molekula supplies L-Cysteine (TF) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | White Crystalline Powder |
| Grade | Conforms to USP 42 |
| Specific rotation | +8.3°~ +9.5° |
| pH | 4.5 - 5.5 |
| SO4 | <0.03% |
| Loss on Drying | <0.5% |
| Chloride (Cl-) | <0.2% |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | <0.1% |
| NH4 | <0.02% |
| Bioburden | <50CFU/g |
| Endotoxin | <0.02EU/mg |
| Heavy Metals (Pb) | <10ppm |
| Iron (Fe) | <10ppm |
| Arsenic (As) | <1ppm |
| State of Solution | >98% |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | 2 to 8 °C |
| Acidez | Neutral |
Identificación
| Property | Value |
|---|---|
| SKU | 90030874 |
| Número CAS | 52-90-4 |
| Fórmula molecular | HSCH2CH(NH2)CO2H |
| Peso molecular | 121.16 |
| SMILES | C([C@@H](C(=O)O)N)S |
| Código REACH | Y110 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 29309092 |
| Código arancelario | 2930901300 |
Seguridad y GHS
-
Health Hazard
GHS07
Declaraciones de peligro
- H302 Nocivo en caso de ingestión.
Declaraciones de precaución
- P264 Lavarse concienzudamente tras la manipulación.
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P301+312 EN CASO DE INGESTIÓN: Llamar a un CENTRO DE TOXICOLOGÍA/médico/... si la persona se encuentra mal.
- P305+351+338 EN CASO DE CONTACTO CON LOS OJOS: Aclarar cuidadosamente con agua durante varios minutos. Quitar las lentes de contacto, si lleva y resulta fácil. Seguir aclarando.
Documentos
Certificado de Análisis (CoA) por lote
Introduzca un número de lote o partida para recuperar el informe de análisis (CoA) correspondiente a esa partida específica. Podemos generar uno a partir de los datos de especificación si no hay ningún PDF disponible.
Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is L-Cysteine (TF) commonly used for?
L-Cysteine (TF) is primarily used in pharmaceuticals, cosmetics, and as a reducing agent in hair treatments, as well as in food and feed supplements for its sulfur-containing amino acid properties.
What is the chemical formula and molecular weight of L-Cysteine (TF)?
The chemical formula is **HSCH₂CH(NH₂)CO₂H**, and the molecular weight is **121.16 g/mol**.
How should L-Cysteine (TF) be stored?
Store L-Cysteine (TF) refrigerated at **2 to 8°C** in a dry, well-ventilated area, away from heat and direct sunlight.
What grade of L-Cysteine (TF) does Molekula supply?
Molekula supplies **Technical Grade (TF) L-Cysteine**, suitable for industrial and pharmaceutical applications requiring high purity.
Can Molekula supply L-Cysteine (TF) in bulk quantities?
Yes, Molekula can supply L-Cysteine (TF) in bulk, with flexible packaging options including drums, bags, or custom solutions based on your requirements.
What documentation comes with an order of L-Cysteine (TF)?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** to ensure compliance and quality assurance.
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