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D-Methionine cas no:348-67-4

Synonyms: Methionine,D- (8CI);(R)-Methionine;D-2-Amino-4-(methylthio)butyric acid;(R)-2-Amino-4-(methylmercapto)butyric acid;

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Identification
Chemical Properties
Safety Data
Toxicity

Identification

NameD-Methionine
CAS348-67-4
SynonymsMethionine,D- (8CI);(R)-Methionine;D-2-Amino-4-(methylthio)butyric acid;(R)-2-Amino-4-(methylmercapto)butyric acid;
EINECS(EC#)206-483-6
Molecular FormulaC₅H₁₁NO₂S
Molecular Weight149.21

Chemical Properties

Appearancewhite powder
alpha-24 o (C=8, 6N HCL)
refractive index1.53
storage temp0-6°C

Safety Data

Hazard Xi
Risk R33
Safety

Safety Information of D-Methionine (CAS NO.348-67-4):
Hazard Codes: Xi?
Risk Statements: 33-36/37/38
33: Danger of cumulative effects?
36/37/38: Irritating to eyes, respiratory system and skin??
Safety Statements: 22-24/25-36-26
22: Do not breathe dust
24/25: Avoid contact with skin and eyes???
36: Wear suitable protective clothing?
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice?
WGK Germany: 3
RTECS: PD0455000
Mildly toxic by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NO_x and SO_x. See also METHIONINE HYDANTOIN; METHIONINE PLATINUM DICHLORIDE; METHIONINE SULFOXIMINE.

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	intraperitoneal	5223mg/kg (5223mg/kg)	BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Archives of Biochemistry and Biophysics. Vol. 64, Pg. 319, 1956.

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