Product Information
CAS number	7664-93-9
EC index number	016-020-00-8
EC number	231-639-5
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	H₂O₄S
Chemical formula	H₂SO₄
Molar Mass	98.08 g/mol
HS Code	2807 00 00

Applications
Application	Sulfuric acid 95-97% for analysis (max. 0.005 ppm Hg) EMSURE® ACS,ISO,Reag. Ph Eur. CAS 7664-93-9, EC Number 231-639-5, chemical formula H₂SO₄.

Physicochemical Information
Density	1.84 g/cm3 (20 °C)
Melting Point	-20 °C
pH value	0.3 (49 g/l, H₂O, 25 °C)
Vapor pressure	0.0001 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
RTECS	WS5600000
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly water endangering
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
Hazard Symbols	Corrosive
Categories of danger	corrosive
R Phrase	R 35 Causes severe burns.
S Phrase	S 26-30-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Never add water to this product.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Storage temperature: no restrictions.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1830 , 8, II
Declaration (transport by air) IATA-DGR	UN 1830 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1830 , 8, II, Segregation Group: 1 (Acids)

Specifications
Assay (alkalimetric)	95.0 - 97.0 %
Colour	≤ 10 Hazen
Appearance	passes test
Density (d 20/20)	1.834 - 1.837
Chloride (Cl)	≤ 0.1 ppm
Nitrate (NO₃)	≤ 0.2 ppm
Phosphate (PO₄)	≤ 0.5 ppm
Heavy metals (as Pb)	≤ 1 ppm
Ag (Silver)	≤ 0.02 ppm
Al (Aluminium)	≤ 0.05 ppm
As (Arsenic)	≤ 0.01 ppm
Ba (Barium)	≤ 0.05 ppm
Be (Beryllium)	≤ 0.01 ppm
Bi (Bismuth)	≤ 0.1
Ca (Calcium)	≤ 0.2 ppm
Cd (Cadmium)	≤ 0.02 ppm
Co (Cobalt)	≤ 0.01 ppm
Cr (Chromium)	≤ 0.05 ppm
Cu (Copper)	≤ 0.01 ppm
Fe (Iron)	≤ 0.1
Ge (Germanium)	≤ 0.05 ppm
Hg (Mercury)	≤ 0.005 ppm
K (Potassium)	≤ 0.1
Li (Lithium)	≤ 0.01 ppm
Mg (Magnesium)	≤ 0.05 ppm
Mn (Manganese)	≤ 0.01 ppm
Mo (Molybdenum)	≤ 0.05 ppm
NH₄ (Ammonium)	≤ 2 ppm
Na (Sodium)	≤ 0.5 ppm
Ni (Nickel)	≤ 0.02 ppm
Pb (Lead)	≤ 0.02 ppm
Sr (Strontium)	≤ 0.02 ppm
Ti (Titanium)	≤ 0.1
Tl (Thallium)	≤ 0.05 ppm
V (Vanadium)	≤ 0.01 ppm
Zn (Zinc)	≤ 0.05 ppm
Zr (Zirconium)	≤ 0.1
Substances reducing potassium permanganate (as SO₂)	≤ 2 ppm
Residue on ignition	≤ 5 ppm
Date of expiry: see product label

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MERCK 100732.2500 Sulfuric acid 95-97% for analysis EMSURE® CAS 7664-93-9

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