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Merck
CN

PX0995

Supelco

o-Phosphoric Acid

greener alternative

85% W/W, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Phosphoric acid, Orthophosphoric Acid, Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
Beilstein:
1921286
MDL number:
UNSPSC Code:
12352301
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Product Name

o-Phosphoric Acid 85% W/W, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

grade

ACS reagent

Quality Level

Agency

meets USP/NF

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

form

liquid

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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concentration

85% phosphoric acid

impurities

≤0.001% Heavy metals (as Pb)
≤0.001% Insoluble matter
≤0.001% Volatile acids (as acetic acid)
≤0.002% Antimony (Sb)
≤0.002% Calcium (Ca)
≤0.002% Magnesium (Mg)
≤0.003% Iron (Fe)
≤0.003% Sulfate (SO4)
≤0.005% Potassium (K)
≤0.025% Sodium (Na)
≤0.5 ppm Manganese (Mn)
≤1 ppm Arsenic (As)
≤3 ppm Chloride (Cl)
≤5 ppm Nitrate (NO3)

color

APHA: ≤10

pH

<0.5 (20 °C, 100 g/L in H2O)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

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shipped in

ambient

storage temp.

room temp

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

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General description

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Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
PX0995P-5 and PX0995P-1 are packaged in poly coated glass bottles
Click here for printer friendly instructions for adapting a hand pump to the 20L HDPE drum.

Analysis Note

Antimony (Sb): 0.002% max
Arsenic (As): 1ppm max
Assay: 85.0% min
Calcium (Ca): 0.002% max
Chloride (Cl): 3ppm max
Color (APHA): 10 max
Form: Clear liquid
Heavy metals (as Pb): 0.001% max
Insoluble matter: 0.001% max
Iron (Fe): 0.003% max
Magnesium (Mg): 0.002% max
Manganese (Mn): 0.5ppm max
Nitrate (NO3): 5ppm max
Potassium (K): 0.005% max
Reducing substances: To pass test
Sodium (Na): 0.025% max
Sulfate (SO4): 0.003% max
Volatile acids (as acetic acid): 0.001% max

Other Notes

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

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

does not flash

Flash Point(C)

does not flash

Regulatory Information

新产品
This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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