Melting point :-68°C
Boiling point :165-166 °C(lit.)
Density :1.043 g/mL at 25 °C(lit.)
vapor density :>1 (vs air)
vapor pressure :760 mm Hg ( 165 °C)
refractive index :n20/D 1.483(lit.)
FEMA :2747 | 3-(METHYLTHIO)PROPIONALDEHYDE
Flash point :142 °F
storage temp. :2-8°C
solubility :<=75g/l
form :liquid
Odor :at 0.10 % in propylene glycol. musty potato tomato earthy vegetable creamy
Odor Type :vegetable
explosive limit :1.3-26.1%(V)
Water Solubility :It is readily soluble in alcohol solvents such as ethanol, propylene and glycol oil. It is insoluble in water.
Sensitive :Air Sensitive
JECFA Number :466
BRN :1739289
InChIKey :CLUWOWRTHNNBBU-UHFFFAOYSA-N
LogP :0.34 at 20℃
CAS DataBase Reference :3268-49-3(CAS DataBase Reference)
NIST Chemistry Reference :Propanal, 3-(methylthio)-(3268-49-3)
EPA Substance Registry System :3-(Methylthio)propanal (3268-49-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P273 Avoid release to the environment. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.