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-formic-acid(37 products available)
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Formic acid

  • CAS:64-18-6
  • MF:CH2O2
  • MW:46.03
  • EINECS:200-579-1
Melting point::
8.2-8.4 °C (lit.)
Boiling point::
100-101 °C (lit.)
Density :
1.22 g/mL at 25 °C (lit.)
vapor density :
1.03 (vs air)
vapor pressure :
52 mm Hg ( 37 °C)
refractive index :
n20/D 1.377
FEMA :
2487 | FORMIC ACID
Flash point::
133 °F
storage temp. :
2-8°C
solubility :
H2O: soluble1g/10 mL, clear, colorless
form :
Liquid
appearance:
colorless liquid
pka:
3.75(at 20℃)
Specific Gravity:
1.216 (20℃/20℃)
color :
APHA: ≤15
Odor:
at 0.10 % in water. pungent vinegar formyl
PH:
3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution);
explosive limit:
12-38%(V)
Water Solubility :
MISCIBLE
Sensitive :
Hygroscopic
λmax:
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.01
Merck :
14,4241
JECFA Number:
79
BRN :
1209246
Henry's Law Constant:
At 25 °C: 95.2, 75.1, 39.3, 10.7, and 3.17 at pH values of 1.35, 3.09, 4.05, 4.99, and 6.21, respectively (Hakuta et al., 1977)
Dielectric constant:
58.0(16℃)
Exposure limits:
TLV-TWA 5 ppm (~9 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 100 ppm (180 mg/m3) (NIOSH).
Stability::
Stable. Substances to be avoided include strong bases, strong oxidizing agents and powdered metals, furfuryl alcohol. Combustible. Hygroscopic. Pressure may build up in tightly closed bottles, so bottles should be opened carefully and vented periodically.
InChIKey:
BDAGIHXWWSANSR-UHFFFAOYSA-N
Symbol(GHS) 

GHS05,GHS06
Signal word 
Danger
Hazard statements 
H302-H314-H331
Precautionary statements 
P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
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Formic acid   64-18-6

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