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466123

Phosphoric acid

greener alternative

crystalline, ≥99.999% trace metals basis

Synonym(s):

Orthophosphoric acid

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25 g

Available to ship TODAYfromMILWAUKEE

$61.00
$51.85
100 g

Available to ship TODAYfromMILWAUKEE

$152.00
$129.20

About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
UNSPSC Code:
12352300
NACRES:
NA.23
PubChem Substance ID:
EC Number:
231-633-2
Beilstein/REAXYS Number:
1921286
MDL number:
eCl@ss:
38070202
Assay:
≥99.999% trace metals basis
Form:
crystalline

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vapor density

3.4 (vs air)

Quality Segment

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

SMILES string

OP(O)(O)=O

InChI

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

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Gene Information

human ... SRC(6714)

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.

Application

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

Packaging

Packaged in poly bottles

Other Notes

Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

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This Item
43808145228930417
assay

≥99.999% trace metals basis

assay

≥85% (with NaOH, titration)

assay

≥99.999% trace metals basis

assay

≥85%

form

crystalline

form

liquid

form

liquid

form

liquid

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

bp

158 °C (lit.)

bp

158 °C (lit.)

bp

158 °C (lit.)

bp

158 °C (lit.)

mp

~40 °C (lit.), 41-44 °C

mp

~40 °C (lit.)

mp

~40 °C (lit.)

mp

~40 °C (lit.)

density

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

density

1.685 g/mL at 25 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

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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Questions

1–3 of 3 Questions  
  1. Is this product food grade or just industrial grade? If not food grade, would you have a version of this that is food grade?

    1 answer
    1. This Phosphoric acid product is not food grade. Please see the links below to review suitable product options that may of interest:
      https://www.sigmaaldrich.com/product/aldrich/w290017
      https://www.sigmaaldrich.com//product/mm/100563
      https://www.sigmaaldrich.com/product/mm/100573

      Helpful?

  2. 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?

  3. 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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