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405655

Sigma-Aldrich

2-Hydroxy-2-methylpropiophenone

97%

Synonym(s):

1-Hydroxy-1-methylethyl phenyl ketone, 1-Phenyl-2-methyl-2-hydroxypropanone, 2-Hydroxy-2-methyl-1-phenyl-1-propanone, 2-Methyl-3-phenyl-3-oxopropan-2-ol

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About This Item

Linear Formula:
C6H5COC(CH3)2OH
CAS Number:
7473-98-5
Molecular Weight:
164.20
EC Number:
231-272-0
MDL number:
MFCD00040710
UNSPSC Code:
12162002
PubChem Substance ID:
24865322
NACRES:
NA.23

Quality Level

200

Assay

97%

form

liquid

refractive index

n20/D 1.533 (lit.)

bp

102-103 °C/4 mmHg (lit.)

density

1.077 g/mL at 25 °C (lit.)

SMILES string

CC(C)(O)C(=O)c1ccccc1

InChI

1S/C10H12O2/c1-10(2,12)9(11)8-6-4-3-5-7-8/h3-7,12H,1-2H3

InChI key

XMLYCEVDHLAQEL-UHFFFAOYSA-N

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General description

2-Hydroxy-2-methylpropiophenone is a radical photoinitiator (PI) molecule that can be used in the crosslinking of polymers by the exposure of UV radiation. It can be used in the development of UV curable resins for exterior coating applications.

Application

  • Photochemical Thiol-Ene “Click” Chemistry: The study utilized 2-hydroxy-2-methylpropiophenone for the synthesis of highly functional polyols by photochemical thiol-ene “click” chemistry (M Ionescu, A Garcia-Comer, T Spidel, 2023).
  • Development of Water-Soluble Type I Photoinitiators: This study focused on the development of new water-soluble type I photoinitiators for hydrogel synthesis using 2-hydroxy-2-methylpropiophenone, enhancing the understanding of photopolymerization processes (B Aubry, F Dumur, M Lansalot, E Bourgeat-Lami, 2022).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

251.6 °F - closed cup

Flash Point(C)

122 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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