Melting point :-27 °C (lit.)
Boiling point :214 °C/760 mmHg (lit.)
Density :1.053 g/mL at 25 °C (lit.)
vapor pressure :0.8 mm Hg ( 20 °C)
refractive index :n20/D 1.440(lit.)
FEMA :4753 | 1,3-PROPANEDIOL
Flash point :>230 °F
storage temp. :Store below +30°C.
solubility :H₂O: soluble
pka :14.46±0.10(Predicted)
form :Oily Liquid
color :Clear
PH :4.5-7.0 (100g/l, H2O, 20℃)
explosive limit :2.5%(V)
Water Solubility :100 g/L
Merck :14,9714
BRN :969155
Henry's Law Constant :1.6×10⁴ mol/(m³Pa) at 25℃, Burkholder et al. (2019)
Dielectric constant :35.0（20℃）
Cosmetics Ingredients Functions :SOLVENT
VISCOSITY CONTROLLING InChI :1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2
InChIKey :YPFDHNVEDLHUCE-UHFFFAOYSA-N
SMILES :OCCCO[H]
LogP :-0.71 at 20℃
CAS DataBase Reference :504-63-2(CAS DataBase Reference)
NIST Chemistry Reference :1,3-Propanediol(504-63-2)
EPA Substance Registry System :1,3-Propanediol (504-63-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P501 Dispose of contents/container to..…