Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

226408

Sigma-Aldrich

o-Methyl-N,N′-diisopropylisourea

97%

Synonym(s):

N,N′-Diisopropyl-O-methylisourea

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(CH3)2CHNHC(OCH3)=NCH(CH3)2
CAS Number:
54648-79-2
Molecular Weight:
158.24
Beilstein/REAXYS Number:
1753052
EC Number:
259-275-2
MDL number:
MFCD00008866
UNSPSC Code:
12352100
PubChem Substance ID:
24853565
NACRES:
NA.22

assay

97%

refractive index

n20/D 1.436 (lit.)

bp

50-52 °C/0.1 mmHg (lit.)

density

0.871 g/mL at 25 °C (lit.)

functional group

amine

storage temp.

2-8°C

SMILES string

CO\C(NC(C)C)=N/C(C)C

InChI

1S/C8H18N2O/c1-6(2)9-8(11-5)10-7(3)4/h6-7H,1-5H3,(H,9,10)

InChI key

PUVRRPLSJKDMKH-UHFFFAOYSA-N

Application

o-Methyl-N,N′-diisopropylisourea was used in the synthesis of proline betaine (stahydrine) and 4-hydroxyproline betaine (betoncine).

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

95.0 °F - closed cup

flash_point_c

35 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
1451597V
BCBL5218V
1451596V
1451596
1451594V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Betaines derived from amino and hydrazino acids as phase transfer catalysts.
Tetrahedron, 46(6), 1911-1922 (1990)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service