DL-Cysteine
Synonym(s):(±)-2-Amino-3-mercaptopropionic acid
- CAS NO.：3374-22-9
- Empirical Formula: C3H7NO2S
- Molecular Weight: 121.16
- MDL number: MFCD00004881
- EINECS: 222-160-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is DL-Cysteine?
Chemical properties
white solid
The Uses of DL-Cysteine
DL-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. Cysteine is commonly used as a precursor in the food and pharmaceutical industries. Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.
The Uses of DL-Cysteine
DL-Cysteine is a NMDA agonist at quisqualate receptors at high concentration.
What are the applications of Application
DL-Cysteine is a NMDA agonist that is an agonist at quisqualate receptors at high concentration
Definition
ChEBI: A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.
Biochem/physiol Actions
NMDA agonist that is an agonist at quisqualate receptors at high concentration.
Properties of DL-Cysteine
| Melting point: | 225 °C (dec.) (lit.) |
| Boiling point: | 293.9±35.0 °C(Predicted) |
| Density | 1.197 (estimate) |
| refractive index | 1.5130 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Aqueous Acid (Sparingly), DMSO (Sightly), Water (Slightly) |
| form | Powder |
| pka | 2.07±0.10(Predicted) |
| color | White to off-white |
| Water Solubility | Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone. |
| BRN | 1721406 |
| Stability: | Stable. Incompatible with strong oxidizing agents, |
| CAS DataBase Reference | 3374-22-9(CAS DataBase Reference) |
| NIST Chemistry Reference | DL-Cysteine(3374-22-9) |
Safety information for DL-Cysteine
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for DL-Cysteine
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