27001

Sigma-Aldrich

Formic acid

puriss., meets analytical specifications of DAC, FCC, 98.0-100%

Linear Formula:
HCOOH
CAS Number:
Molecular Weight:
46.03
Beilstein/REAXYS Number:
1209246
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

grade

puriss.

assay

98.0-100%

form

liquid

autoignition temp.

1004 °F

quality

meets analytical specifications of DAC, FCC

expl. lim.

57 %

application(s)

HPLC: suitable

impurities

≤0.001% heavy metals (as Pb)
≤0.005% non-volatile matter
≤0.05% acetic acid (GC)

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C, 2.2  g/L)

bp

100-101 °C (lit.)

mp

8.2-8.4 °C (lit.)

density

1.22 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤40 mg/kg
sulfite (SO32-): ≤50 mg/kg

cation traces

Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%

SMILES string

OC=O

InChI

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

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N

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Other Notes

The article number 27001-4X2.5L-M will be discontinued. Please order the single bottle 27001-2.5L-M which is physically identical with the same exact specifications.
The article number 27001-4X2.5L-R will be discontinued. Please order the single bottle 27001-2.5L-R which is physically identical with the same exact specifications.
The article number 27001-6X1L-R will be discontinued. Please order the single bottle 27001-1L-R which is physically identical with the same exact specifications.

Signal Word

Danger

Hazard Statements

Supp Hazards

EUH071

RIDADR

UN 1779 3(8) / PGII

WGK Germany

WGK 1

Flash Point(F)

118.4 °F - closed cup

Flash Point(C)

48 °C - closed cup

Certificate of Analysis

Certificate of Origin

Oxidation of formic acid in acid solution on Pt single-crystal electrodes.
Kita H and Lei H-W.
Journal of Electroanalytical Chemistry, 388(1), 167-177 (1997)
Elastic electron scattering from formic acid (HCOOH): absolute differential cross-sections.
Vizcaino V, et al.
New Journal of Physics, 8(6), 85-85 (2006)
Crossover of formic acid through Nafion membranes.
Rhee Y-W, et al.
Journal of Power Sources, 117(1), 35-38 (2003)
Heng Lu et al.
Cell communication insights, 5, 1-7 (2014-05-20)
Protein-protein interactions play a pivotal role in both inter- and intra-cellular signaling. Identification of signaling protein complexes can thus shed important new insights into cell communications. We developed a parallel affinity precipitation protocol to overcome the disadvantages of the tandem...
J Liesivuori et al.
Pharmacology & toxicology, 69(3), 157-163 (1991-09-01)
Metabolism of methanol, methyl ethers, esters and amides give rise to formic acid. This acid is an inhibitor of the mitochondrial cytochrome oxidase causing histotoxic hypoxia. Formic acid is a weaker inhibitor than cyanide and hydrosulphide anions. The body burden...

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