8.22254

Formic acid

for synthesis

• Synonym(s): Methanoic acid, Formylic acid
• Linear Formula: HCOOH
• CAS Number: 64-18-6
• Molecular Weight: 46.03
• Beilstein/REAXYS Number: 1209246
• MDL number: MFCD00003297
• UNSPSC Code: 12352106
• EC Index Number: 200-579-1
• NACRES: NA.22

Properties

• vapor density: 1.6 (vs air)
• Quality Level: 200
• vapor pressure: 44.8 mmHg ( 20 °C)
• assay: ≥99% (acidimetric)
• form: liquid
• autoignition temp.: 1004 °F
• expl. lim.: 12-38 % (v/v); 57 %
• reaction suitability: reagent type: reductant
• technique(s): electrophoresis: suitable
• 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.)
• storage temp.: 2-30°C
• SMILES string: OC=O
• InChI: 1S/CH2O2/c2-1-3/h1H,(H,2,3)
• InChI key: BDAGIHXWWSANSR-UHFFFAOYSA-N

Description

Application

• Atmospheric Implications: Provides insights into the large and ubiquitous source of atmospheric formic acid, affecting precipitation chemistry and acidity (Millet et al., 2015).
• Sustainable Production: Covers the sustainability aspects of formic acid production and its role in bridging power and chemical industries (Bulushev & Ross, 2018).
• Hydrogen Energy Carrier: Explores formic acid as a potential hydrogen storage medium, focusing on its applications in low-carbon energy systems (Singh et al., 2016).

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Density (d 20 °C/ 4 °C): 1.218 - 1.221
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• pictograms: GHS02,GHS06,GHS05
• signalword: Danger
• hcodes: H226,H302,H314,H331
• pcodes: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• supp_hazards: EUH071
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 121.1 °F - closed cup
• flash_point_c: 49.5 °C - closed cup