Physicochemical Information
Boiling point	158 °C (1013 mbar)
Density	1.71 g/cm3 (20 °C)
Melting Point	21 °C
pH value	<0.5 (100 g/l, H₂O, 20 °C)
Vapor pressure	2 hPa (20 °C)
Viscosity kinematic	30.5 mm2/s (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P234: Keep only in original packaging. P270: Do not eat, drink or smoke when using this product. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	12 Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container D.

Safety Information
Categories of danger	corrosive

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1805 , 8, III
Declaration (transport by air) IATA-DGR	UN 1805 , 8, III
Declaration (transport by sea) IMDG-Code	UN 1805 , 8, III, Segregation Group: 1 (Acids)

Specifications
Assay (alkalimetric)	85.0 - 85.7 %
Identity	passes test
Specific density (d 20/4)	≥ 1.69
Appearance of solution	passes test
Alkali phosphates, phosphate(JPE)	passes test
Volatile acids (as Acetic acid)	≤ 0.001
Chloride (Cl)	≤ 0.0005 %
Fluoride (F)	≤ 0.001
Nitrate (NO₃)	≤ 0.0003 %
Nitrate (NF-meth.)	passes test
Phosphite and Hypophosphite (as H₃PO₃)	≤ 0.02 %
Hypophosphorous and phosphorous acid	passes test
Sulfate (SO₄)	≤ 0.005 %
Heavy metals (as Pb)	≤ 0.0005 %
As (Arsenic)	≤ 0.000019 %
Cd (Cadmium)	≤ 0.0001 %
Cu (Copper)	≤ 0.002 %
Fe (Iron)	≤ 0.0050 %
Hg (Mercury)	≤ 0.0001 %
K (Potassium)	≤ 0.005 %
Na (Sodium)	≤ 0.03 %
Pb (Lead)	≤ 0.0001 %
Zn (Zinc)	≤ 0.002 %
Residual solvents (ICH Q3C)	...excluded by production process
Matter precipitated by ammonia	passes test
Substances reducing permanganate (JPE)	passes test
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur, BP, JPE, NF, E338 Conforms to the purity criteria on food additives according to the current European Commission Regulation.

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