Identification
HCOOH
M = 46,03 g/mol
CAS [64-18-6]
EC number: 200-579-1
Taric code: 2915 11 00
Synonyms
Methanoic acid, Formylic acid
Applications
analytical chemistry, synthesis of organic products, in the rubber industry, acidifying agent, cosmetics.
Specifications
assay (acidimetric)………… min. 98 %
colour (Hazen)…………………. max. 10
density (20º/20º)………… 1,217 – 1.223
acetic acid (CH3COOH)…………………… max. 0,05 %
dilution test………………….. passes test
chlorides (Cl)…………… max. 0,0005 %
sulfates (SO4)………….. max. 0,0005 %
sulfites (SO3)………………… passes test
aluminium (Al)………. max. 0,05 ppm
ammonium (NH4)……. max. 0,001 %
barium (Ba)……………. max. 0,05 ppm
beryllium (Be)……….. max. 0,02 ppm
bismuth (Bi)…………….. max. 0,1 ppm
cadmium (Cd)………… max. 0,05 ppm
calcium (Ca)…………….. max. 0,2 ppm
chromium (Cr)……….. max. 0,05 ppm
cobalt (Co)………………. max. 0,02 ppm
copper (Cu)…………….. max. 0,02 ppm
germanium (Ge)…….. max. 0,05 ppm
heavy metals (as Pb)… max. 0,001 %
iron (Fe)……………………… max. 2 ppm
lead (Pb)………………… max. 0,02 ppm
lithium (Li)……………… max. 0,02 ppm
magnesium (Mg)…….. max. 0,5 ppm
manganese (Mn)……. max. 0,05 ppm
molybdenum (Mo)…. max. 0,02 ppm
nickel (Ni)………………. max. 0,05 ppm
potassium (K)………….. max. 0,1 ppm
silver (Ag)……………… max. 0,02 ppm
sodium (Na)……………… max. 0,5 ppm
strontium (Sr)……….. max. 0,02 ppm
thallium (Tl)…………… max. 0,05 ppm
titanium (Ti)…………….. max. 0,1 ppm
vanadium (V)……….. max. 0,05 ppm
zinc (Zn)………………….. max. 0,05 ppm
zirconium (Zr)………… max. 0,1 ppm
residue on evaporation………………….. max. 0,001 %
Packaging
- 2.5 L
Physical data
- Density: 1,22 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: ~ 8 ºC
- Boiling point: 101 ºC
- Flash point: 48 ºC
- Ignition temperature: 480 ºC
- Vapour pressure: (20 ºC) 42 hPa
- Refraction index: (n 20 ºC/D) 1,3714
- Dielectric const.: (16 ºC) 58,5
- Evap. heat: (101 ºC) 900 KJ/kg
- Saturation conc.: (20 ºC) 80 g/m3
- Expl. limit (upper): 38 Vol%
- Expl. limit (lower): 12 Vol%
- pH(10 g/l H2O, 20 ºC) 2,2