1.06129

MOPS

solid, buffer substance MPS

• Synonym(s): 3-Morpholinopropane sulfonic acid, 3-(N-Morpholino)propanesulfonic acid, 4-Morpholinepropanesulfonic acid, MOPS
• CAS Number: 1132-61-2
• Molecular Weight: 209.26
• MDL number: MFCD00006183
• UNSPSC Code: 12161703
• EC Index Number: 214-478-5
• NACRES: NA.21

Properties

• product name: 3-Morpholinopropane sulfonic acid, buffer substance MPS
• Quality Level: 100
• 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
• 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

Description

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

Safety Information

• 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