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L-Methionine

Name: L-Methionine
Brand: MM

for synthesis

Synonym(s):

L-Methionine, Met

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About This Item

Empirical Formula (Hill Notation):

C₅H₁₁NO₂S

CAS Number:

63-68-3

Molecular Weight:

149.21

UNSPSC Code:

12352209

EC Index Number:

200-562-9

NACRES:

NA.22

MDL number:

MFCD00063097

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Properties

Quality Segment

200

potency

36000 mg/kg LD₅₀, oral (Rat)

pH

5-7 (20 °C, 10 g/L in H₂O)

mp

280-282 °C

solubility

48 g/L

density

1.34 g/cm³

bulk density

550 kg/m³

storage temp.

2-30°C

SMILES string

S(CCC(N)C(=O)[O-])C.[H+]

InChI

1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)

InChI key

FFEARJCKVFRZRR-UHFFFAOYSA-N

Description

Analysis Note

Assay (HClO₄): ≥ 99.0 %
Spec. rotation [α²0/D (c=2 in HCl 6 mol/l): +22.5 - +24.0 °
Identity (IR): passes test

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1 of 1

This Item	1.05707	4500-M	137250
Sigma-Aldrich 8.16010 L-Methionine	Millipore 1.05707 L-Methionine	Millipore 4500-M L-Methionine	SAFC 137250 L-Methionine
Quality Level 200	Quality Level 100	Quality Level 100	Quality Level 500
solubility 48 g/L	solubility 48 g/L	solubility water: 1 mg/mL	solubility water: 50 mg/mL
density 1.34 g/cm³	density 1.34 g/cm³	density -	density -
storage temp. 2-30°C	storage temp. 2-30°C	storage temp. 10-30°C	storage temp. 2-30°C
mp 280-282 °C	mp 280-282 °C	mp -	mp 284 °C (dec.) (lit.), 284 °C (dec.) (lit.)
bulk density 550 kg/m³	bulk density 550 kg/m³	bulk density -	bulk density -

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Storage Class

11 - Combustible Solids

wgk

WGK 1

Certificates of Analysis (COA)

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