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2-Morpholinoethanesulfonic acid monohydrate

buffer substance MES

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Synonym(s):
2-Morpholinoethanesulfonic acid monohydrate, MES
CAS Number:
145224-94-8
Molecular Weight:
213.25
MDL number:
MFCD00149409
EC Index Number:
224-632-3

Quality Level

100

form

powder

pH

3.6 (20 °C, 10 g/L in H2O)

mp

>300 °C

solubility

80 g/L

bulk density

570 kg/m3

storage temp.

2-30°C

InChI

1S/C6H13NO4S/c8-12(9,10)6-3-7-1-4-11-5-2-7/h1-6H2,(H,8,9,10)

InChI key

SXGZJKUKBWWHRA-UHFFFAOYSA-N

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This Item
69889RES0113M-A769892
2-Morpholinoethanesulfonic acid monohydrate buffer substance MES

Millipore

1.06126

2-Morpholinoethanesulfonic acid monohydrate

MES monohydrate BioUltra, for molecular biology, ≥99.5% (T)

Sigma-Aldrich

69889

MES monohydrate

MES monohydrate

SAFC

RES0113M-A7

MES monohydrate

MES monohydrate BioXtra, ≥99.0% (T)

Sigma-Aldrich

69892

MES monohydrate

pH

3.6 (20 °C, 10 g/L in H2O)

pH

2.5-4.0 (25 °C, 0.5 M in H2O)

pH

-

pH

-

mp

>300 °C

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

solubility

80 g/L

solubility

H2O: 0.5 M at 20 °C, clear, colorless

solubility

-

solubility

H2O: 0.5 M at 20 °C, clear

storage temp.

2-30°C

storage temp.

-

storage temp.

-

storage temp.

-

Quality Level

100

Quality Level

200

Quality Level

-

Quality Level

-

General description

buffer substance MES

Application

2-Morpholinoethanesulfonic acid monohydrate buffer substance MES. CAS 145224-94-8, pH 3.6 (10 g/l, H₂O, 20 °C).

Analysis Note

Assay (alcalimetric, calculated on anhydrous substance)≥ 99 %Identity (IR-spectrum)passes testUV-Absorption (250 nm, 50 g/l, 1 cm, water)≤ 0.05Chloride (Cl)≤ 0.005 %Sulphate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Na (Sodium)≤ 0.005 %Water (according to Karl Fischer)7.0 - 9.0 %Biological buffer, pKa at 20 °C6.15

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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T1503
Product Number
-
25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

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  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

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