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466271

Sigma-Aldrich

Calcium peroxide

75%, −200 mesh

Synonyme(s) :

Calcium dioxide

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250 G
75.60 CHF
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About This Item

Formule empirique (notation de Hill) :
CaO2
Numéro CAS:
78403-22-2
Poids moléculaire :
72.08
Numéro CE :
215-139-4
Numéro MDL:
MFCD00015988
Code UNSPSC :
12352303
ID de substance PubChem :
24870335
Nomenclature NACRES :
NA.23

75.60 CHF

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Niveau de qualité

100

Essai

75%

Forme

powder

Pertinence de la réaction

reagent type: oxidant

Taille des particules

−200 mesh

Pf

>365 °C

Chaîne SMILES 

[Ca++].[O-][O-]

InChI

1S/Ca.O2/c;1-2/q+2;-2

Clé InChI

LHJQIRIGXXHNLA-UHFFFAOYSA-N

Catégories apparentées

Description générale

Calcium peroxide (CP) is a peroxide compound that releases oxygen and hydrogen peroxide. It is a safe inorganic peroxy compound in a solid form of oxygen. It can be used in the remediation of contaminated sites. It has the ability to construct a permeable reactive barrier system by acting as oxygen releasing material (OSM).[1][2][3]

Application

CP can be used as an amendment that facilitates the supplying of oxygen for agriculture, horticulture and biotechnology applications.[3]

Autres remarques

Remainder calcium hydroxide

Pictogrammes

Flame over circleCorrosionExclamation mark
GHS03,GHS05,GHS07

Mention d'avertissement

Danger

Mentions de danger

H272,H315,H318,H335

Classification des risques

Eye Dam. 1 - Ox. Sol. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

5.1B - Oxidizing hazardous materials

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
MKCX4003
MKCW0648
MKCT8805
MKCQ8725
MKCN9697

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Rijuta Ganesh Saratale et al.
Bioresource technology, 258, 26-32 (2018-03-09)
This study focuses on development of calcium peroxide (CaO2) pretreatment that removes major part of lignin but retaining most of sugar components of kenaf core powder (KCP) biomass. In chemical pretreatment, usually higher loss of biomass occurs which was less
Venu Shanmugavel et al.
Food chemistry, 311, 125964-125964 (2019-12-23)
Potassium bromate, is an oxidizing agent and one of the best and cheapest dough improvers in the baking industry. Due to its positive effects it plays a major role in the bread-making industry. Potassium bromate has significant effect on food
Tian-Jiao Zhou et al.
Journal of controlled release : official journal of the Controlled Release Society, 309, 82-93 (2019-07-26)
Hypoxia is a potent tumor microenvironmental (TME) factor promoting immunosuppression and metastatic progression. For current anticancer therapeutic strategies, the combination of hypoxia alleviation and photodynamic therapy (PDT) might be a useful approach to further improve anticancer efficacy. In this study
Seonhee Kim et al.
The Science of the total environment, 762, 143124-143124 (2020-11-01)
Arsenic (As) is uptaken more readily by rice over wheat and barley. The exposure of As to humans being in the rice-consuming regions is a serious issue. Thus, an effective practice to reduce the translocation of As from soil to
Oxygen release kinetics from solid phase oxygen in Arctic Alaska
Schmidtke T, et al.
Journal of Hazardous Materials, 64(2), 157-165 (1999)
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Questions

1–2 of 2 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/449/386/product-dating-information-mk.pdf

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  2. 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

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