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27001 Sigma-Aldrich

Formic acid

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

  • CAS Number 64-18-6

  • Linear Formula HCOOH

  • Molecular Weight 46.03

  •  Beilstein/REAXYS Number 1209246

  •  EC Number 200-579-1

  •  MDL number MFCD00003297

  •  PubChem Substance ID 329752893

  •  NACRES NA.21

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Organic Acids, Synthetic Reagents More...
Quality Level   200
vapor density   1.6 (vs air)
vapor pressure   44.8 mmHg ( 20 °C)
InChI Key   BDAGIHXWWSANSR-UHFFFAOYSA-N
grade   puriss.
assay   98.0-100%
autoignition temp.   1004 °F
quality   meets analytical specifications of DAC, FCC
expl. lim.   57 %
impurities   ≤0.001% heavy metals (as Pb)
  ≤0.005% non-volatile matter
  ≤0.05% acetic acid (GC)
refractive index   n20/D 1.370 (lit.)
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
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Corrosive to the respiratory tract.
RIDADR 
UN 1779 3(8) / PGII
WGK Germany 
1
RTECS 
LQ4900000
Flash Point(F) 
118.4 °F
Flash Point(C) 
48 °C
Protocols & Articles

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Peer-Reviewed Papers
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