Propionic acid

Melting point :−24-−23 °C(lit.)
Boiling point :141 °C(lit.)
Density :0.993 g/mL at 25 °C(lit.)
vapor density :2.55 (vs air)
vapor pressure :2.4 mm Hg ( 20 °C)
refractive index :n20/D 1.386(lit.)
FEMA :2924 | PROPIONIC ACID
Flash point :125 °F
storage temp. :Store below +30°C.
solubility :organic solvents: soluble(lit.)
pka :4.86(at 25℃)
form :Liquid
Specific Gravity :0.996 (20/4℃)
color :≤10, APHA:
PH :3.96(1 mM solution);3.44(10 mM solution);2.94(100 mM solution);
Odor :at 0.10 % in propylene glycol. pungent acidic cheesy vinegar
Odor Type :acidic
biological source :synthetic
Odor Threshold :0.0057ppm
explosive limit :2.1-12%(V)
Water Solubility :37 g/100 mL
Thermal Conductivity :0.142 W/(m·K) at 25 ℃
Specific Heat Capacity :Cp(liquid): 2.06 J/(g·K), at 25℃
JECFA Number :84
Merck :14,7825
BRN :506071
Henry's Law Constant :7.1×10¹ mol/(m³Pa) at 25℃, Kim and Kim (2016)
Exposure limits :PC-TWA:30 mg/m3
Dielectric constant :3.2(Ambient)
Stability :Stable. Incompatible with strong oxidizing agents. Flammable.
Cosmetics Ingredients Functions :ANTIMICROBIAL
FRAGRANCE
PRESERVATIVE
pH ADJUSTERS InChI :1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
InChIKey :XBDQKXXYIPTUBI-UHFFFAOYSA-N
SMILES :CCC(O)=O
LogP :0.33 at 25℃
Surface tension :24.07mN/m at 298.15K
CAS DataBase Reference :79-09-4(CAS DataBase Reference)
NIST Chemistry Reference :Propanoic acid(79-09-4)
EPA Substance Registry System :Propionic acid (79-09-4)

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 H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, 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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
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. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. 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. P312 Call a POISON CENTER or doctor/physician if you feel unwell. 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..…