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100264  Formic acid 98-100%
for analysis EMSURE® ACS,Reag. Ph Eur

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24 April 2014

Product number Packaging Qty/Pk
1002640100  Glass bottle  100 ml 
1002641000  Glass bottle  1 l 
1002641011  Plastic bottle  1 l 
1002642500  Glass bottle  2.5 l 
1002642510  Safebreak btl.  2.5 l 
1002642511  Plastic bottle  2.5 l 
1002649026  Plastic container  25 l 
Product information
Grade ACS,Reag. Ph Eur
Synonyms Methanoic acid, Formylic acid
Hill Formula CH2O2
Chemical formula HCOOH
HS Code 2915 11 00
EC number 200-579-1
Molar mass 46.03 g/mol
Storage Store at +15°C to +25°C.
EC index number 607-001-00-0
CAS number 64-18-6
Chemical and physical data
Ignition temperature 480 °C
Solubility (20 °C) soluble
Melting point 4 °C
Molar mass 46.03 g/mol
Density 1.22 g/cm3 (20 °C)
pH value 2.2 (10 g/l, H2O, 20 °C)
Boiling point 101 °C (1013 hPa)
Vapor pressure 42 hPa (20 °C)
Explosion limit 12 - 38 %(V)
Flash point 48 °C
Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
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.
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
Hazard Pictogram(s)
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
R Phrase R 10-35
Flammable.Causes severe burns.
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).
Categories of danger flammable, corrosive
Hazard Symbol
Transport information
Declaration (railroad and road) ADR, RID UN 1779 Ameisensäure, 8 (3), II
Declaration (transport by sea) IMDG-Code UN 1779 FORMIC ACID MORE THAN 85%, 8 (3), II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 1779 FORMIC ACID, 8 (3), II
Toxicological data
LD 50 oral LD50 rat 730 mg/kg
Formic acid 98-100%, molecular structure

© Merck KGaA, Darmstadt, Germany, 2014


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