Merck
All Photos(3)

1.00264

Supelco

Formic acid 98-100%

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):
Methanoic acid, Formylic acid, Formic acid
Linear Formula:
HCOOH
CAS Number:
Molecular Weight:
46.03
Beilstein:
1209246
MDL number:
EC Index Number:
200-579-1

Quality Level

grade

ACS reagent

Agency

reag. Ph. Eur.

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

product line

EMSURE®

assay

≥98% (alkalimetric)

form

liquid

autoignition temp.

1004 °F

expl. lim.

12-38 % (v/v)
57 %

technique(s)

HPLC: suitable

impurities

≤500 ppm Acetic acid (CH3COOH)

evapn. residue

≤10 ppm

color

APHA: ≤10

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C, 10 g/L in H2O)

bp

100-101 °C (lit.)
101 °C/1013 hPa

mp

8.2-8.4 °C (lit.)

transition temp

flash point 49.5 °C

density

1.22 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm
sulfate (SO42-): ≤5 ppm
sulfite (SO32-): ≤10 ppm

cation traces

Ag: ≤0.020 ppm
Al: ≤0.050 ppm
Ba: ≤0.050 ppm
Be: ≤0.020 ppm
Bi: ≤0.10 ppm
Ca: ≤0.20 ppm
Cd: ≤0.050 ppm
Co: ≤0.020 ppm
Cr: ≤0.050 ppm
Cu: ≤0.020 ppm
Fe: ≤2.0 ppm
Ge: ≤0.050 ppm
K: ≤0.10 ppm
Li: ≤0.020 ppm
Mg: ≤0.50 ppm
Mn: ≤0.050 ppm
Mo: ≤0.020 ppm
NH4+: ≤10 ppm
Na: ≤0.50 ppm
Ni: ≤0.050 ppm
Pb: ≤0.020 ppm
Sr: ≤0.020 ppm
Ti: ≤0.10 ppm
Tl: ≤0.050 ppm
V: ≤0.050 ppm
Zn: ≤0.050 ppm
Zr: ≤0.10 ppm
heavy metals (as Pb): ≤10 ppm

SMILES string

OC=O

storage temp.

15-25°C

InChI

1S/CH2O2/c2-1-3/h1H,(H,2,3)

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N

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General description

for analysis EMSURE® ACS,Reag. Ph Eur

Analysis Note

Assay (alkalimetric)≥ 98.0 %Color≤ 10 HazenAcetic acid (CH₃COOH)≤ 500 ppmChloride (Cl)≤ 5 ppmSulfate (SO₄)≤ 5 ppmSulfite (SO₃)≤ 10 ppmHeavy metals (as Pb)≤ 10 ppmAg (Silver)≤ 0.020 ppmAl (Aluminium)≤ 0.050 ppmBa (Barium)≤ 0.050 ppmBe (Beryllium)≤ 0.020 ppmBi (Bismuth)≤ 0.10 ppmCa (Calcium)≤ 0.20 ppmCd (Cadmium)≤ 0.050 ppmCo (Cobalt)≤ 0.020 ppmCr (Chromium)≤ 0.050 ppmCu (Copper)≤ 0.020 ppmFe (Iron)≤ 2.0 ppmGe (Germanium)≤ 0.050 ppmK (Potassium)≤ 0.10 ppmLi (Lithium)≤ 0.020 ppmMg (Magnesium)≤ 0.50 ppmMn (Manganese)≤ 0.050 ppmMo (Molybdenum)≤ 0.020 ppmNH₄ (Ammonium)≤ 10 ppmNa (Sodium)≤ 0.50 ppmNi (Nickel)≤ 0.050 ppmPb (Lead)≤ 0.020 ppmSr (Strontium)≤ 0.020 ppmTi (Titanium)≤ 0.10 ppmTl (Thallium)≤ 0.050 ppmV (Vanadium)≤ 0.050 ppmZn (Zinc)≤ 0.050 ppmZr (Zirconium)≤ 0.10 ppmEvaporation residue≤ 10 ppmDilution testpasses testACS, Ph Eur-Reagent
Expiry date : see product label

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

121.1 °F - closed cup

Flash Point(C)

49.5 °C - closed cup

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