Melting point :-60 °C
Boiling point :90 °C (lit.)
Density :0.803 g/mL at 25 °C (lit.)
vapor density :2.96 (vs air)
vapor pressure :30 mm Hg ( 20 °C)
refractive index :n20/D 1.388(lit.)
FEMA :2692 | 3-METHYLBUTYRALDEHYDE
Flash point :29 °F
storage temp. :2-8°C
solubility :alcohol: miscible, soluble in Propylene glycol and oils.
form :Liquid
color :Clear colorless to light yellow
Specific Gravity :0.80
Odor :at 0.10 % in dipropylene glycol. ethereal aldehydic chocolate peach fatty
Odor Type :aldehydic
explosive limit :1.7-6.8%(V)
Odor Threshold :0.0001ppm
Water Solubility :15 g/L (20 ºC)
Merck :14,5229
JECFA Number :258
BRN :773692
Stability :Stable, but light and air sensitive. Highly flammable. Readily forms explosive mixtures with air. Incompatible with strong oxidizing agents, bases, reducing agents, air.
InChIKey :YGHRJJRRZDOVPD-UHFFFAOYSA-N
LogP :1.5 at 25℃ and pH7
CAS DataBase Reference :590-86-3(CAS DataBase Reference)
NIST Chemistry Reference :Butanal, 3-methyl-(590-86-3)
EPA Substance Registry System :Isovaleraldehyde (590-86-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.