Formic acid

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)
FEMA :2487 | FORMIC ACID
refractive index :n20/D 1.377
Flash point :133 °F
storage temp. :2-8°C
solubility :H2O: soluble1g/10 mL, clear, colorless
pka :3.75(at 20℃)
form :Liquid
Specific Gravity :1.216 (20℃/20℃)
color :APHA: ≤15
PH :3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution);
Odor :at 0.10 % in water. pungent vinegar formyl
Odor Type :acetic
biological source :synthetic
explosive limit :12-38%(V)
Water Solubility :MISCIBLE
Thermal Conductivity :0.265 W/(m·K) at 25 ℃
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)
Exposure limits :TLV-TWA 5 ppm (～9 mg/m³) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 100 ppm (180 mg/m³) (NIOSH).
Dielectric constant :58.0（16℃）
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.
Major Application :sample preparation
Cosmetics Ingredients Functions :PRESERVATIVE
pH ADJUSTERS
FRAGRANCE Cosmetic Ingredient Review (CIR) :Formic acid (64-18-6)
InChI :1S/CH2O2/c2-1-3/h1H,(H,2,3)
InChIKey :BDAGIHXWWSANSR-UHFFFAOYSA-N
SMILES :OC=O
LogP :-0.540
CAS DataBase Reference :64-18-6(CAS DataBase Reference)
NIST Chemistry Reference :Formic acid(64-18-6)
EPA Substance Registry System :Formic acid (64-18-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P234 Keep only in original container. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P363 Wash contaminated clothing before reuse. P370+P378 In case of fire: Use … for extinction. P390 Absorb spillage to prevent material damage. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P406 Store in corrosive resistant/… container with a resistant inner liner. P501 Dispose of contents/container to..…