Product Information
CAS number	64-18-6
EC index number	607-001-00-0
EC number	200-579-1
Grade	ACS,Reag. Ph Eur
Hill Formula	CH₂O₂
Chemical formula	HCOOH
Molar Mass	46.03 g/mol
HS Code	2915 11 00
Structure formula Image

Applications
Application	Formic acid 98-100% for analysis EMSURE® ACS,Reag. Ph Eur. CAS 64-18-6, EC Number 200-579-1, chemical formula HCOOH.

Physicochemical Information
Boiling point	101 °C (1013 hPa)
Density	1.22 g/cm3 (20 °C)
Explosion limit	12 - 38 %(V)
Flash point	49.5 °C
Melting Point	4 °C
pH value	2.2 (10 g/l, H₂O, 20 °C)
Vapor pressure	42 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H226: Flammable liquid and vapour. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. H331: Toxic if inhaled. EUH071: Corrosive to the respiratory tract.
Precautionary Statement(s)	P210: Keep away from heat. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. 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.
RTECS	LQ4900000
Storage class	3 Flammable liquids
WGK	WGK 1 slightly water endangering
Disposal	4 Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).

Safety Information
Hazard Symbols	Corrosive
Categories of danger	flammable, corrosive
R Phrase	R 10-35-20/22 Flammable.Causes severe burns.Harmful by inhalation and if swallowed.
S Phrase	S 23-26-45 Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1779 , 8 (3), II
Declaration (transport by air) IATA-DGR	UN 1779 , 8 (3), II
Declaration (transport by sea) IMDG-Code	UN 1779 , 8 (3), II, Segregation Group: 1 (Acids)

Specifications
Assay (alkalimetric)	≥ 98.0 %
Colour	≤ 10 Hazen
Acetic acid (CH₃COOH)	≤ 500 ppm
Chloride (Cl)	≤ 5 ppm
Sulphate (SO₄)	≤ 5 ppm
Sulfite (SO₃)	≤ 10 ppm
Heavy metals (as Pb)	≤ 10 ppm
Ag (Silver)	≤ 0.020 ppm
Al (Aluminium)	≤ 0.050 ppm
Ba (Barium)	≤ 0.050 ppm
Be (Beryllium)	≤ 0.020 ppm
Bi (Bismuth)	≤ 0.10 ppm
Ca (Calcium)	≤ 0.20 ppm
Cd (Cadmium)	≤ 0.050 ppm
Co (Cobalt)	≤ 0.020 ppm
Cr (Chromium)	≤ 0.050 ppm
Cu (Copper)	≤ 0.020 ppm
Fe (Iron)	≤ 2.0 ppm
Ge (Germanium)	≤ 0.050 ppm
K (Potassium)	≤ 0.10 ppm
Li (Lithium)	≤ 0.020 ppm
Mg (Magnesium)	≤ 0.50 ppm
Mn (Manganese)	≤ 0.050 ppm
Mo (Molybdenum)	≤ 0.020 ppm
NH₄ (Ammonium)	≤ 10 ppm
Na (Sodium)	≤ 0.50 ppm
Ni (Nickel)	≤ 0.050 ppm
Pb (Lead)	≤ 0.020 ppm
Sr (Strontium)	≤ 0.020 ppm
Ti (Titanium)	≤ 0.10 ppm
Tl (Thallium)	≤ 0.050 ppm
V (Vanadium)	≤ 0.050 ppm
Zn (Zinc)	≤ 0.050 ppm
Zr (Zirconium)	≤ 0.10 ppm
Evaporation residue	≤ 10 ppm
Dilution test	passes test
ACS, Ph Eur-Reagent Expiry date : see product label

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MERCK 100264 Formic acid 98-100% for analysis EMSURE® ACS,Reag. Ph Eur. CAS 64-18-6, EC Number 200-579-1, chemical formula HCOOH

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