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
516813
Hydrogen peroxide solution
50 wt. % in H2O, stabilized
About This Item
Recommended Products
Agency
suitable for EPA 200.7
Quality Level
vapor pressure
23.3 mmHg ( 30 °C)
Assay
48-52% H2O2 basis (by KMnO4, titration)
form
liquid
reaction suitability
reaction type: C-H Activation
reagent type: catalyst
reagent type: oxidant
concentration
50 wt. % in H2O
mp
−40 °C
density
1.197 g/mL at 20 °C
storage temp.
2-8°C
SMILES string
OO
InChI
1S/H2O2/c1-2/h1-2H
InChI key
MHAJPDPJQMAIIY-UHFFFAOYSA-N
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General description
Application
Other Notes
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Ox. Liq. 2 - Skin Corr. 1B - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
5.1B - Oxidizing hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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What is the refractive index of Product 516813 from the SIGALD brand?
What is the refractive index of Product 516813 from the SIGALD brand?
1 answer-
The refractive index of the product in question has not been determined. For more information, you may find a publication helpful. Please refer to page 3, Table 2 of the following publication: https://www.tsijournals.com/articles/refractometric-determination-for-hydrogen-peroxide-in-aqueous-solutiona-green-alternate-to-iodometric-method.pdf
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How stable is a 50% solution? What sort of shelf life will it have? Surely it'll fall to 40% after a while, and will pressure build up in the container?
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The stabilizer present allows the hydrogen peroxide to remain stable, even after opening. The long-term stability is dependent upon several factors, such as handling, frequency of use, contamination, etc. This product is not assigned an expiration or retest date. Assuming proper handling and storage this material will be stable at least through the warranty period of 1 year from the date of shipment.
Please note the storage instructions on the Safety Data Sheet to achieve maximum shelf life and stability. The bottle contains a vented cap that prevents liquids from passing through, yet safely allows free passage of gas, so pressure will not build up in the bottle.
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What is the refractive index of this product?
1 answer-
The refractive index of this product is not determined. See the link below - page 3, Table 2 - to review a publication that may be helpful:
https://www.tsijournals.com/articles/refractometric-determination-for-hydrogen-peroxide-in-aqueous-solutiona-green-alternate-to-iodometric-method.pdfHelpful?
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Why is Hydrogen peroxide solution, Product 516813, packed in plastic bottles?
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This product is packaged in opaque white HDPE bottles because it is light sensitive and per the chemicals encyclopedia published by the Royal Society of Chemistry, has the tendency to degrade in the presence of metal or rough surfaces.
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What is the molarity of the 50% Hydrogen peroxide solution, Product 516813?
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This product is a 50% (w/w) solution. We can calculate the molarity by using the density (1.197g/mL) and the molecular weight (34.01g/mol). The molarity can be calculated by the following equation: [(50g H2O2)*(1.197g solution)*(1mol H2O2)*(1000mL)] / [(100g solution)*(1mL solution)*(34.01g H2O2)*(1L) = 17.6M.
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Does Hydrogen peroxide solution, Product 516813, contain a stabilizer?
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Yes; the exact identity of the stabilizer is considered proprietary. However, it contains tin compounds (stannates) and chelating agents.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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