D-Methionine

Synonym(s):(R)-2-Amino-4-(methylmercapto)butyric acid;D-2-Amino-4-(methylthio)butanoic acid

White crystalline powder

D-Methionine is used to rescue noise-induced hearing loss. It is used to improve the nutritive value of animal feed.

ChEBI: An optically active form of methionine having D-configuration.

D-methionine has been shown to rescue noise-induced hearing loss.

Not Available

Melting point:	273-275 °C
Boiling point:	306.9±37.0 °C(Predicted)
alpha	-24 º (c=8, 6N HCl)
Density	1.113 (estimate)
refractive index	1.5216 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	53 g/L (20°C)
form	Powder
pka	2.23±0.10(Predicted)
color	White to off-white
Water Solubility	53 g/L (20 ºC)
Merck	14,5975
BRN	1722293
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	348-67-4(CAS DataBase Reference)
NIST Chemistry Reference	D-(l)-Methionine(348-67-4)
EPA Substance Registry System	D-Methionine (348-67-4)

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.