Melting point :-12 °C
Boiling point :140 °C(lit.)
Density :0.888 g/mL at 25 °C(lit.)
vapor pressure :<8 mm Hg ( 20 °C)
refractive index :n20/D 1.458(lit.)
Flash point :120 °F
storage temp. :Store below +30°C.
solubility :DMSO (Slightly), Methanol (Slightly)
form :Liquid
pka :10.94(at 10℃)
color :Clear
PH :>12 (100g/l, H2O, 20℃)
explosive limit :2.8-15.2%(V)
Water Solubility :SOLUBLE
Sensitive :Air Sensitive
BRN :605277
Dielectric constant :9.6（Ambient）
Stability :Stable. Hygroscopic. Flammable - readily forms explosive mixtures with air. Incompatible with acid anhydrides, acid chlorides, acids, strong oxidizing agents.
LogP :-1.05 at 25℃
CAS DataBase Reference :109-76-2(CAS DataBase Reference)
NIST Chemistry Reference :1,3-Propanediamine(109-76-2)
EPA Substance Registry System :1,3-Diaminopropane (109-76-2)

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 H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, 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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.