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1.06129

Millipore

3-Morpholinopropane sulfonic acid

buffer substance MPS

Synonym(s):
3-Morpholinopropane sulfonic acid, MOPS
CAS Number:
Molecular Weight:
209.26
MDL number:
EC Index Number:
214-478-5

Quality Level

potency

>2000 mg/kg LD50, oral (Rat)

pH

3-5 (20 °C, 111 g/L in H2O)

mp

277-281 °C (decomposition)

solubility

1440 g/L

bulk density

350 kg/m3

storage temp.

15-25°C

InChI

1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11)

InChI key

DVLFYONBTKHTER-UHFFFAOYSA-N

General description

buffer substance MPS

Application

3-Morpholinopropane sulfonic acid buffer substance MPS. CAS 1132-61-2, pH 3 - 5 (111 g/l, H₂O, 20 °C).

Analysis Note

Assay (alkalimetric)≥ 99.0 %Identity (IR-spectrum)passes testUV-Absorption (250 nm, 50 g/l, 1 cm, water)≤ 0.05Chloride (Cl)≤ 0.005 %Sulfate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Na (Sodium)≤ 0.01 %Loss on Drying (105 °C)≤ 0.2 %Biological buffer, pKa at 20 °C7.20

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Certificate of Analysis

Certificate of Origin

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