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Merck

1.06129

MOPS

solid, buffer substance MPS

Synonym(s):

3-Morpholinopropane sulfonic acid, 3-(N-Morpholino)propanesulfonic acid, 4-Morpholinepropanesulfonic acid, MOPS

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About This Item

CAS Number:
1132-61-2
Molecular Weight:
209.26
UNSPSC Code:
12161703
EC Index Number:
214-478-5
NACRES:
NA.21
MDL number:
MFCD00006183

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Product Name

3-Morpholinopropane sulfonic acid, buffer substance MPS

SMILES string

[S](=O)(=O)([O-])CCC[N+H]1CCOCC1

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

form

solid

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

Quality Level

100

General description

buffer substance MPS

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

Application

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
1.06129.002504022536073125
1.06129.901004022536692777
1.06129.025004022536073132

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