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Thermo Scientific Chemicals L-Cysteine hydrochloride, anhydrous, 98%
Código de producto. 11332466
missing translation for 'mfr': Thermo Scientific Chemicals L06328.14
Descripción
L-Cysteine hydrochloride, anhydrous is widely used as additive in food production. It is used as an antioxidant to promote fermentation and keep the flavor. It is also used in cosmetics and animal feed.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
General Description
- L-cysteine hydrochloride is a non-essential proteinogenic amino acid commonly used in chemical reactions, for instance, the thiol side chain in cysteine often participates in enzymatic reactions as a nucleophile.
Application
- L-cysteine hydrochloride plays an important role as a histidine ammonia-lyase inhibitor with the ability to interfere with the action of histidine ammonia-lyase.
- In chemical reactions, L-cysteine hydrochloride is used as a raw material for the production of S-carboxymethyl-L-cysteine, L-cysteine base, and N-acetyl-L-cysteine.
- This compound also has antioxidant activity.
- It has been used in laboratory protocols to separate dorsal root ganglion neurons.
- This compound is applied to study the inhibitory effect of L-cysteine hydrochloride hydrate in preventing enzymatic browning in apples.
Especificaciones
Especificaciones
| Melting Point | ∽180°C (decomposition) |
| pH | 0.8 to 1.2 |
| Beilstein | 3560277 |
| Merck Index | 14,2781 |
| Solubility Information | Soluble in water. (580g/L at 20°C), |
| Quantity | 25 g |
| Odor | Irritating |
| Formula Weight | 157.62 |
| Optical Rotation | +6.4° (c=5 in 5N HCl) |
| Sensitivity | Air sensitive; Hygroscopic |
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Seguridad y manipulación
- L-Cysteine hydrochloride, anhydrous
- Warning
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- MIXTURE LIST-Contains : L-Cysteine, hydrochloride
RUO – Research Use Only
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