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179981

Sigma-Aldrich

Luperox® A98, Benzoyl peroxide

reagent grade, ≥98%

Synonym(s):

Benzoyl peroxide, Dibenzoyl peroxide

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About This Item

Linear Formula:
(C6H5CO)2O2
CAS Number:
94-36-0
Molecular Weight:
242.23
Beilstein:
984320
EC Number:
202-327-6
MDL number:
MFCD00003071
UNSPSC Code:
12352100
PubChem Substance ID:
57647701
NACRES:
NA.21

grade

reagent grade

Quality Level

200

Assay

≥98%

form

solid

autoignition temp.

176 °F

reaction suitability

reagent type: oxidant

mp

105 °C (lit.)

SMILES string

O=C(OOC(=O)c1ccccc1)c2ccccc2

InChI

1S/C14H10O4/c15-13(11-7-3-1-4-8-11)17-18-14(16)12-9-5-2-6-10-12/h1-10H

InChI key

OMPJBNCRMGITSC-UHFFFAOYSA-N

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General description

Benzoyl peroxide participates in the covalent insitu functionalization of carbon nanotubes. On heating, it undergoes decomposition to afford phenyl free radicals and CO2 gas.
Luperox® A98, Benzoyl peroxide, an anhydrous benzoyl peroxide powder, is a mainly used as a thermal free radical initiator in polymerization reactions.

Application

Benzoyl peroxide has been used as an initiator in the preparation of the following:
  • Thermal cross-linking of multiwalled carbon nanotubes (MWCNTs) via radical-initiated reaction
  • 3-D crosslinked carbon scaffolds
  • poly(lactic-co-glycolic) acid (PLGA), MWCNT and singlewalled carbon nanotubes (SWCNT) scaffolds
Widely used initiator, curing agent, and cross-linking agent in polymerization processes.

Legal Information

Product of Arkema Inc.
Luperox is a registered trademark of Arkema Inc.

Signal Word

Danger

Hazard Statements

H241,H317,H319,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Org. Perox. B - Skin Sens. 1A

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 5: Self-reactive substances
Organic peroxides
Hazardous rank I
1st self-reactive materials

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

179981-50G:
179981-BULK:
179981-500G:
179981-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS1251
MKCS1229
MKCS1228
MKCS1250
MKCS1252

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Gaurav Lalwani et al.
Carbon, 53, 90-100 (2013-02-26)
We report a simple method to fabricate macroscopic, 3-D, free standing, all-carbon scaffolds (porous structures) using multiwalled carbon nanotubes (MWCNTs) as the starting materials. The scaffolds prepared by radical initiated thermal crosslinking, and annealing of MWCNTs possess macroscale interconnected pores
Adam J Friedman et al.
The Journal of investigative dermatology, 133(5), 1231-1239 (2012-11-30)
Advances in nanotechnology have demonstrated potential application of nanoparticles (NPs) for effective and targeted drug delivery. Here we investigated the antimicrobial and immunological properties and the feasibility of using NPs to deliver antimicrobial agents to treat a cutaneous pathogen. NPs
Suzanne M Jervis et al.
Journal of food science, 78(2), R129-R137 (2013-01-22)
Whey is a value-added product that is utilized in many food and beverage applications for its nutritional and functional properties. Whey and whey products are generally utilized in dried ingredient applications. One of the primary sources of whey is from
E J Kang et al.
Journal of food science, 77(7), C818-C823 (2012-07-05)
Residual annatto colorant (norbixin) in fluid Cheddar cheese whey can be bleached. The 2 approved chemical bleaching agents for whey, hydrogen peroxide (HP) and benzoyl peroxide (BP), negatively impact the flavor of dried whey protein. The objective of this study
A L Kraus et al.
Regulatory toxicology and pharmacology : RTP, 21(1), 87-107 (1995-02-01)
Topical benzoyl peroxide has been used in the treatment of acne for over 30 years, with no reports of adverse effects that could be related to skin carcinogenesis. Two case-control epidemiological studies have found a lack of association between the
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