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CAS No.: | 1187-84-4 |
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Name: | S-Methyl-L-cysteine |
Article Data: | 39 |
Molecular Structure: | |
Formula: | C4H9NO2S |
Molecular Weight: | 135.187 |
Synonyms: | Alanine,3-(methylthio)-, L- (8CI);(-)-S-Methyl-L-cysteine;3-(Methylthio)alanine;L-S-Methylcysteine;NSC 15387;S-Methyl-(R)-cysteine;S-Methylcysteine;H-Cys(Me)-OH; |
EINECS: | 214-701-6 |
Density: | 1.26 g/cm3 |
Melting Point: | ~240 °C (dec.) |
Boiling Point: | 300.3 °C at 760 mmHg |
Flash Point: | 135.4 °C |
Appearance: | white to light beige fine crystalline powder |
Hazard Symbols: | Xn |
Risk Codes: | 22 |
Safety: | 26-36/37/39 |
PSA: | 88.62000 |
LogP: | 0.46160 |
Molecular Structure:
Molecular Formula: C4H9NO2S
Molecular Weight: 135.1848
IUPAC Name: 2-Amino-3-methylsulfanylpropanoic acid
Synonyms of S-Methyl-L-Cysteine (CAS NO.1187-84-4): CCRIS 1972 ; EINECS 214-701-6 ; NSC 15387 ; S-Methylcysteine ; Alanine, 3-(methylthio)-, L- (8CI) ; L-Cysteine, S-methyl- (9CI)
CAS NO: 1187-84-4
Classification Code: Amino Acids Derivatives ; Cysteine [Cys, C] ; Amino Acids and Derivatives ; Amino Acid Derivatives
Melting point: ~240 °C
Index of Refraction: 1.539
Molar Refractivity: 33.63 cm3
Molar Volume: 107.2 cm3
Surface Tension: 53.6 dyne/cm
Density: 1.26 g/cm3
Flash Point: 135.4 °C
Enthalpy of Vaporization: 59.43 kJ/mol
Boiling Point: 300.3 °C at 760 mmHg
Vapour Pressure: 0.000267 mmHg at 25°C
Hazard Codes of S-Methyl-L-Cysteine (CAS NO.1187-84-4): Xn
Risk Statements: 22
R22: Harmful if swallowed.
Safety Statements: 22-24/25-36/37/39-26
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
Storage of S-Methyl-L-Cysteine (CAS NO.1187-84-4): Keep container closed when not in use. Store in a cool, dry place.