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Merck

466123

Phosphorsäure

greener alternative

crystalline, ≥99.999% trace metals basis

Synonym(e):

Orthophosphorsäure

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25 G

€ 66,70

100 G

€ 176,00

€ 66,70


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Über diesen Artikel

Lineare Formel:
H3PO4
CAS-Nummer:
Molekulargewicht:
98.00
UNSPSC Code:
12352300
NACRES:
NA.23
PubChem Substance ID:
EC Number:
231-633-2
Beilstein/REAXYS Number:
1921286
MDL number:

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Produktname

Phosphorsäure, crystalline, ≥99.999% trace metals basis

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

SMILES string

OP(O)(O)=O

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

assay

≥99.999% trace metals basis

form

crystalline

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

bp

158 °C (lit.)

mp

~40 °C (lit.)
41-44 °C

density

1.685 g/mL at 25 °C (lit.)
1.830 g/mL at 25 °C

greener alternative category

Quality Level

Gene Information

human ... SRC(6714)

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Dieser Artikel
30417-M452289612162
assay

≥99.999% trace metals basis

assay

≥85%

assay

≥99.999% trace metals basis

assay

83.5-86.5% (gravimetric)

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

200

form

crystalline

form

liquid

form

liquid

form

solution

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

vapor pressure

-

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

-

density

1.685 g/mL at 25 °C (lit.), 1.830 g/mL at 25 °C

density

1.685 g/mL at 25 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

density

1.481 g/cm3

Other Notes

Konzentrierte Phosphorsäure, ca. 85 % H3PO4 (wässrig).

Packaging

Packaged in poly bottles

Application

Industrially, phosphoric acid may be used in pharmaceuticals, water softeners.

General description

Anhydrous phosphoric acid is a white solid which melts at 42.35oC to form a viscous liquid. In aqueous solution phosphoric acid behaves as a triprotic acid, having three ionizable hydrogen atoms.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Phosphoric acid-doped polybenzimidazole (PBI) membranes offer a cleaner path to energy by enabling high-temperature fuel cells that efficiently convert hydrogen into electricity with low emissions. Their durability and proton conductivity make them ideal for sustainable power systems. Click here for more information.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Lagerklasse

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


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Analysenzertifikate (COA)

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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Li Yan Chan et al.
The Journal of organic chemistry, 78(17), 8826-8832 (2013-08-07)
A simple and efficient method is developed for Pd-catalyzed ortho-acetoxylation using organophosphates, namely, benzylic phosphonic and aryl phosphoric monoacids, as the directing group.
Alessio Ciulli et al.
Journal of medicinal chemistry, 49(16), 4992-5000 (2006-08-04)
Mapping interactions at protein-ligand binding sites is an important aspect of understanding many biological reactions and a key part of drug design. In this paper, we have used a fragment-based approach to probe "hot spots" at the cofactor-binding site of
Amit Kumar Sinha et al.
PloS one, 9(4), e95319-e95319 (2014-04-18)
Oxidative stress and the antioxidant response induced by high environmental ammonia (HEA) were investigated in the liver and gills of three freshwater teleosts differing in their sensitivities to ammonia. The highly ammonia-sensitive salmonid Oncorhynchus mykiss (rainbow trout), the less ammonia
W M Fennis et al.
Journal of dental research, 93(1), 36-41 (2013-10-25)
The objective of this randomized control trial was to compare the five-year clinical performance of direct and indirect resin composite restorations replacing cusps. In 157 patients, 176 restorations were made to restore maxillary premolars with Class II cavities and one
Alex W Gregory et al.
Organic letters, 15(17), 4330-4333 (2013-08-30)
A highly enantioselective hydroamination/N-sulfonyliminium cyclization cascade is reported using a combination of gold(I) and chiral phosphoric acid catalysts. An initial 5-exo-dig hydroamination and a subsequent phosphoric acid catalyzed cyclization process provide access to complex sulfonamide scaffolds in excellent yield and

Verwandter Inhalt

Batteries, fuel cells, and supercapacitors rely on electrochemical energy production. Understand their operation and electron/ion transport separation.

Batterien, Brennstoffzellen und Superkondensatoren basieren auf dem Prinzip der elektrochemischen Energieerzeugung. Erfahren Sie mehr ihre Funktionsweise sowie die Trennung von Elektronen- und Ionentransport.

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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  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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