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MOPS

Name: MOPS
Brand: MM

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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Properties

Product Name

3-Morpholinopropane sulfonic acid, buffer substance MPS

Quality Segment

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

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

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

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This Item	475922	475898	69947
Millipore 1.06129 3-Morpholinopropane sulfonic acid	Millipore 475922 MOPS, Free Acid, Molecular Biology Grade	Millipore 475898 MOPS	Sigma-Aldrich 69947 MOPS
description buffer substance MPS	description CAS 1132-61-2 is a zwitterionic buffer useful in the pH range of 6.5-7.9. Has a pKa of 7.20 at 25°C.	description ULTROL^® Grade, ≥99% (titration), zwitterionic buffer useful in pH range 6.5-7.9	description BioUltra, Molecular Biology, ≥99.5% (titration)
Quality Level 100	Quality Level 100	Quality Level 100	Quality Level 200
form solid	form crystalline solid	form solid	form powder or crystals
storage temp. 15-25°C	storage temp. 15-25°C	storage temp. 15-25°C	storage temp. -
solubility 1440 g/L	solubility water: soluble	solubility water: 1 M	solubility H₂O: 1 M at 20 °C, clear, colorless
pH 3-5 (20 °C, 111 g/L in H₂O)	pH -	pH -	pH 2.5-4.0 (25 °C, 1 M in H₂O)
mp 277-281 °C (decomposition)	mp -	mp -	mp -

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

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