ORTHOPHOSPHORIC ACID

ORTHOPHOSPHORIC ACID Extra Pure

Confirming to IP, BP
Phosphoric Acid

Article No.

00232

Grade

Extra Pure

Purity

85%

CAS No.

7664-38-2

Molecular Formula

H₃PO₄

Molecular Weight

98.00

H.S. Code

2809.2010

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

Physical state at 20 °C

Liquid

Colour

Clear colourless

Odour

Odourless

pH value

1.5

Melting point/ Freezing point [°C]

21°C

Boiling point [°C]

158 °C

Vapour pressure [20°C]

2 hPa

Vapour pressure mm/Hg

0.03 mm Hg at 20°C

Vapour density

3.4

Density [g/cm3]

1.685

Solubility in water [% weight]

Completely miscible

Packings

500 ml (00500)
2500 ml (02500)
5000 ml (05000)
25 Liters (0025K)
200 Liters (0200K)

Specifications

Appearance	Clear colorless viscous liquid
Assay (acidimetric)	84 - 90%
Solubility	To comply the test
Relative density	about 1.7
Identification	To comply the test
Appearance of solution	To comply the test
Substance precipitated by NH3	To comply the test
Hypophosphorous acid and phosphorous acid	To comply the test
Alkali phosphate	To comply the test
Aluminium and calcium (Al, Ca)	To comply the test
Chloride (Cl)	Max 0.005%
Sulphate (SO4)	Max 0.01%
Arsenic (As)	Max 0.0002%
Iron (Fe)	Max 0.005%
Heavy metal (as Pb)	Max 0.001%

Safety Information and Hazard Symbols

Symbol: GHS05
Signal Word: Danger
UN No.: 1805
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H314
Precaution Statement: P280-P305 + P351 + P338-P310

Revision Date : 03-Jun-2017

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