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8.01641

Benzoyl peroxide

(with 25% H2O) for synthesis

Synonym(e):

Benzoyl peroxide, Dibenzoyl peroxide

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10 g
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€ 24,10
100 g
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€ 30,50
250 g
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1 kg
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26.7 kg
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Über diesen Artikel

Empirische Formel (Hill-System):
C14H10O4
CAS-Nummer:
Molekulargewicht:
242.23
UNSPSC Code:
12352120
EC Index Number:
202-327-6
NACRES:
NA.22
MDL number:
Form:
crystals

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vapor pressure

<1 hPa ( 20 °C)

Quality Segment

form

crystals

autoignition temp.

>380 °C

potency

7710 mg/kg LD50, oral (Rat)

reaction suitability

reagent type: oxidant

mp

100-105 °C (decomposition)

density

1.33 g/cm3 at 25 °C

bulk density

500‑600 kg/m3

functional group

peroxide

storage temp.

15-25°C

SMILES string

O(OC(=O)c2ccccc2)C(=O)c1ccccc1

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

General description

Benzoyl peroxide is an organic peroxide commonly used to initiate free radical polymerizations and to form copolymers through grafting reactions. It is also used as an oxidizer during chemical reactions.

Application

Benzoyl peroxide is used:

  • In the direct N–O bond synthesis from 1,2-diamines.
  • As an initiator in the synthesis of the cross-linked unsaturated copolymer by cross-linking methyl methacrylate with Poly (2-butene maleate) polyester.

Analysis Note

Assay (iodometric): 72,0 - 77,0 %(m)
Melting range (after drying): 102 - 105 °C
Identity (IR): conforms

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Dieser Artikel
51347451790904078
reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

density

1.33 g/cm3 at 25 °C

density

-

density

-

density

-

mp

100-105 °C (decomposition)

mp

103 °C (lit.)

mp

105 °C (lit.)

mp

85-90 °C (dec.), 90-93 °C (lit.)

form

crystals

form

powder

form

-

form

powder

storage temp.

15-25°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-


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Danger

Hazard Classifications

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

Lagerklasse

4.1A - Other explosive hazardous materials



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Analysenzertifikate (COA)

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Questions

1–4 of 4 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. Can this be used for beauty products for topical use? I understand that the dosage is higher than the allowed market amount. But if diluted, is it ok for skin use? For topical use. 

    1 answer
    1. This product is intended for research use only. It is not suitable for any other purpose, which includes, but is not limited to, unauthorized commercial use, in vitro diagnostic use, or therapeutic use in humans or animals. Currently, there is not product option available that would be suitable for this application.

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  4. CAN YOU MENTION PURITY OF THIS BENZOIL PEROXIDE ?

    1 answer
    1. As mentioned in the 'DESCRIPTION' section, the purity is between 72.0 - 77.0 %. The exact purity of this product will be listed on the lot specific Certificate of Analysis. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a Certificate: https://www.sigmaaldrich.com/product/sial/801641#product-documentation

      Helpful?

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