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重要文件

P8010

Sigma-Aldrich

焦磷酸钠 四元

≥95%

同義詞:

无水焦磷酸钠, 焦磷酸四钠

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About This Item

線性公式:
Na4P2O7
CAS號碼:
分子量::
265.90
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.23
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品質等級

化驗

≥95%

形狀

powder

密度

2.53 g/mL at 25 °C (lit.)

SMILES 字串

[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O

InChI

1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

InChI 密鑰

FQENQNTWSFEDLI-UHFFFAOYSA-J

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一般說明

焦磷酸四钠 (Na4P2O7) 是一种无毒的生物相容性化合物,可用作表面涂层剥落的电活性介质。它也可以用作食品工业中的添加剂。[1][2]

應用

Na4P2O7可用作无机添加剂,用于改善氧化还原液流电池的稳定性和电化学性能。[3][4]

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析證明 (COA)

Lot/Batch Number

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Effect of inorganic additive sodium pyrophosphate tetrabasic on positive electrolytes for a vanadium redox flow battery
Park S, et al.
Electrochimica Acta, 121(12), 321-327 (2014)
Effect of inorganic additive sodium pyrophosphate tetrabasic on positive electrolytes for a vanadium redox flow battery.
Park SK, et al.
Electrochimica Acta, 121, 321-327 (2014)
Electrochemical exfoliation of graphite for producing graphene using saccharin
MK PK, et al.
Royal Society of Chemistry Advances, 5(66), 53865-53869 (2015)
Mark Grossetete et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 28(4), 752-763 (2007-11-01)
Intracerebral hemorrhage (ICH) initiates an inflammatory response with secondary growth of hemorrhage and cell death. Matrix metalloproteinase (MMP) gelatinolytic activity is increased in ICH, and synthetic inhibitors to MMPs reduce edema and hemorrhage size. Recently, we found that tissue inhibitor
Wei Qiu et al.
Journal of lipid research, 50(9), 1814-1823 (2009-04-23)
Glucosamine impairs hepatic apolipoprotein B100 (apoB100) production by inducing endoplasmic reticulum (ER) stress and enhancing cotranslational and posttranslational apoB100 degradation (Qiu, W., R. K. Avramoglu, A. C. Rutledge, J. Tsai, and K. Adeli. Mechanisms of glucosamine-induced suppression of the hepatic

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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