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
345245
Ácido fosfórico
85 wt. % in H2O, 99.99% trace metals basis
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Nombre del producto
Ácido fosfórico, 85 wt. % in H2O, 99.99% trace metals basis
InChI
1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
SMILES string
OP(O)(O)=O
InChI key
NBIIXXVUZAFLBC-UHFFFAOYSA-N
vapor density
3.4 (vs air)
vapor pressure
2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)
assay
99.99% trace metals basis
form
liquid
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
concentration
85 wt. % in H2O
bp
158 °C (lit.)
mp
~40 °C (lit.)
density
1.685 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
greener alternative category
Quality Level
Gene Information
human ... SRC(6714)
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Este artículo | 452289 | 466123 | 79622 |
|---|---|---|---|
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| assay 99.99% trace metals basis | assay ≥99.999% trace metals basis | assay ≥99.999% trace metals basis | assay ≥99.0% (T) |
| form liquid | form liquid | form crystalline | form powder or crystals |
| application(s) battery manufacturing | application(s) battery manufacturing | application(s) - | application(s) - |
| bp 158 °C (lit.) | bp 158 °C (lit.) | bp 158 °C (lit.) | bp 158 °C (lit.) |
| mp ~40 °C (lit.) | mp ~40 °C (lit.) | mp ~40 °C (lit.), 41-44 °C | mp ~40 °C (lit.) |
Application
- medio para inhibición de la corrosión en el acero dulce[1]
- activador en la preparación del carbono activado[2]
- en la intensificación del rendimiento electroquímico de dispositivos energéticos[3]
- en el desarrollo de membranas poliméricas para células de combustible basadas en membranas de intercambio de protones[4][5][6]
General description
Other Notes
Packaging
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Clase de almacenamiento
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Artículos
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Contenido relacionado
Las baterías, las pilas de combustible y los supercondensadores dependen de la producción de energía electroquímica. Comprender su funcionamiento y la separación del transporte de electrones e iones.
Batteries, fuel cells, and supercapacitors rely on electrochemical energy production. Understand their operation and electron/ion transport separation.
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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How to dilute 85% phosphoric acid?
1 answer-
This product is an 85% solution in water. Further dilutions may also be made in water.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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?
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Does "wt. %" mean weight/volume or weight/weight? I.e. in 100mL of 85% "wt. %" phosphoric acid with a density of 1.685 g/mL (168.5 g), are there 85 grams of phosphoric acid or 143.225 grams of phosphoric acid?
1 answer-
"wt%" means weight/weight %. In 100 mL of 85 wt% phosphoric acid with a density of 1.685 g/mL, there are 1.685 x 100 x 0.85 = 143.225 g of phosphoric acid.
Helpful?
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What are the molarity and normality of an 85% w/w solution of phosphoric acid?
1 answer-
The molarity of an 85% w/w solution of phosphoric acid is 14.615 M. Each mole of H3PO4 yields 3 moles of H+ ions, so the normality can be calculated by multiplying the molarity by the n-factor. Thus, the normality is 43.85 N.
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