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1.00573

ortho-Phosphoric acid

greener alternative

85%, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(e):

Phosphorsäure, Orthophosphorsäure

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Lineare Formel:
H3PO4
CAS-Nummer:
Molekulargewicht:
98.00
NACRES:
NA.21
UNSPSC Code:
12352301
MDL number:
Beilstein/REAXYS Number:
1921286
eCl@ss:
38070202
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Produktname

ortho-Phosphorsäure 85 %, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

grade

ACS reagent

Quality Segment

agency

reag. ISO, reag. Ph. Eur.

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

product line

EMSURE®

form

liquid

greener alternative product characteristics

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

sustainability

Greener Alternative Product

concentration

85% phosphoric acid

impurities

≤0.5 ppm As (Arsenic), ≤0.5 ppm Cd (Cadmium), ≤0.5 ppm Co (Cobalt), ≤0.5 ppm Cu (Copper), ≤0.5 ppm Mn (Manganese), ≤0.5 ppm Pb (Lead), ≤1 ppm Fluoride (F), ≤1.0 ppm Ni (Nickel), ≤10 ppm Fe (Iron), ≤10 ppm Heavy metals (as Pb), ≤10 ppm Insoluble matter, ≤10 ppm Substances reducing potassium permanganate (as O), ≤10 ppm Volatile acids (as Acetic acid), ≤2 ppm Chloride (Cl), ≤2 ppm Zn (Zinc), ≤20 ppm Ca (Calcium), ≤20 ppm Phosphite and Hypophosphite (as H3PO3), ≤20 ppm Sulfate (SO4), ≤200 ppm Na (Sodium), ≤3 ppm Nitrate (NO3), ≤5 ppm K (Potassium), ≤5 ppm Mg (Magnesium), ≤5 ppm Sb (Antimony)

color

APHA: ≤10

pH

<0.5 (20 °C, 100 g/L in H2O)

kinematic viscosity

30.5 cSt(20 °C)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

greener alternative category

SMILES string

OP(O)(O)=O

storage temp.

no temp limit

InChI

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

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

General description

zur Analyse EMSURE® ACS,ISO,Reag. Ph Eur
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.

Application

ortho-Phosphoric acid can be used as a:
  • Reactant in the synthesis of polyurethane ionomer films through etherification with polyoxypropylene glycol in the presence of tertiary amines.
  • Catalyst in pinacolic rearrangement reactions when it is supported on silica.
  • Phosphorus source in the synthesis of diaryl phosphates.

Analysis Note

Gehalt (alkalimetrisch)≥ 85,0 %IdentitätentsprichtAussehen der LösungentsprichtFarbe≤ 10 HazenChlorid (Cl)≤ 2 ppmFluorid (F)≤ 1 ppmNitrat (NO₃)≤ 3 ppmPhosphit und Hypophosphit (als H₃PO₃)≤ 20 ppmHypophosphit, PhosphitentsprichtSchwermetalle (als Pb)≤ 10 ppmSulfat (SO₄)≤ 20 ppmAs (Arsen)≤ 0,5 ppmCa (Calcium)≤ 20 ppmCd (Cadmium)≤ 0,5 ppmCo (Cobalt)≤ 0,5 ppmCu (Kupfer)≤ 0,5 ppmFe (Eisen)≤ 10 ppmK (Kalium)≤ 5 ppmMg (Magnesium)≤ 5 ppmMn (Mangan)≤ 0,5 ppmNa (Natrium)≤ 200 ppmNi (Nickel)≤ 1,0 ppmPb (Blei)≤ 0,5 ppmSb (Antimon)≤ 5 ppmZn (Zink)≤ 2 ppmDurch Ammoniak gefällte AnteileentsprichtFlüchtige Säuren (als Essigsäure)≤ 10 ppmKaliumpermanganat reduzierende Substanzen (als O)≤ 10 ppmUnlösliche Anteile≤ 10 ppm

Other Notes

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

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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Dieser Artikel
4.809511.005521.00563
grade

ACS reagent

grade

-

grade

-

grade

-

concentration

85% phosphoric acid

concentration

-

concentration

-

concentration

85%

product line

EMSURE®

product line

EMPROVE® EXPERT

product line

-

product line

EMPROVE® EXPERT

Quality Level

300

Quality Level

500

Quality Level

100

Quality Level

500

form

liquid

form

liquid

form

liquid

form

liquid

pH

<0.5 (20 °C, 100 g/L in H2O)

pH

-

pH

<0.5 (20 °C, 100 g/L in H2O)

pH

<0.5 (20 °C, 100 g/L in H2O)


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Danger

Hazard Classifications

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

flash_point_f

does not flash

flash_point_c

does not flash

Lagerklasse

8B - Non-combustible corrosive hazardous materials



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Questions

1–3 of 3 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

      Helpful?

  3. acido fosforico 85% (solo per TOC-L CS H) quale scelgo?

    1 answer
    1. This product is supplied in several different pack sizes that are packaged in either glass or plastic.

      For more assistance on which may be the best for your application, we kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Product Technical Inquires" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.

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