Melting point :-37 °C
Boiling point :120-122 °C(lit.)
Density :0.87 g/mL at 25 °C(lit.)
vapor density :2.6 (vs air)
vapor pressure :14 mm Hg ( 20 °C)
refractive index :n20/D 1.446
Flash point :92 °F
storage temp. :Flammables area
solubility :H2O: very soluble
pka :9.82(at 25℃)
form :clear liquid
color :Colorless to Almost colorless
PH :12 (100g/l, H2O, 20℃)
explosive limit :2.2-11.1%(V)
Water Solubility :SOLUBLE
Sensitive :Air Sensitive & Hygroscopic
Merck :14,7852
BRN :605274
Henry's Law Constant :1.4×10³ mol/(m³Pa) at 25℃, Nguyen (2013)
Dielectric constant :10.2（Ambient）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides.
InChI :1S/C3H10N2/c1-3(5)2-4/h3H,2,4-5H2,1H3
InChIKey :AOHJOMMDDJHIJH-UHFFFAOYSA-N
SMILES :CC(N)CN
LogP :-1.2 at 20℃
Surface tension :33.8mN/m at 293.15K
CAS DataBase Reference :78-90-0(CAS DataBase Reference)
NIST Chemistry Reference :1,2-Propanediamine(78-90-0)
EPA Substance Registry System :1,2-Diaminopropane (78-90-0)

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 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 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. 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. 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. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…