Diethyl malonate(CAS#105-53-3)

Molecular Formula	C7H12O4
Molar Mass	160.17
Density	1.055 g/mL at 25 °C (lit.)
Melting Point	-51–50 °C (lit.)
Boling Point	199 °C (lit.)
Flash Point	212°F
JECFA Number	614
Water Solubility	Miscible with ethyl alcohol, ether, chloroform and benzene. Slightly miscible with water.
Solubility	20.8g/l (External MSDS)
Vapor Presure	1 mm Hg ( 40 °C)
Vapor Density	5.52 (vs air)
Appearance	Colorless liquid
Color	colourless liquid
Odor	Sweet ester odor
Merck	14,3823
BRN	774687
pKa	13.5(at 25℃)
Storage Condition	Store below +30°C.
Stability	Stable. Combustible. Incompatible with strong oxidizing agents,
Sensitive	Sensitive to humidity
Explosive Limit	0.8-12.8%(V)
Refractive Index	n20/D 1.413(lit.)
MDL	MFCD00009195
Physical and Chemical Properties	Character colorless liquid, with a sweet ether odor. melting point -50 ℃ boiling point 199.3 ℃ relative density 1.0551 refractive index 1.4135 flash point 100 ℃ solubility miscible with alcohols and ethers, soluble in chloroform, benzene and other organic solvents. Slightly soluble in water. The solubility in water is 2.08g/100ml at 20 °c.
Use	It is used as an intermediate of sulfanilamide and barbiturate in medicine, and is also an intermediate of perfume and dye.

Product Detail

Hazard Symbols	Xi – Irritant
Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin. R36 – Irritating to the eyes
Safety Description	S24/25 – Avoid contact with skin and eyes. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	1
RTECS	OO0700000
TSCA	Yes
HS Code	29171910
Hazard Note	Irritant
Toxicity	LD50 orally in Rabbit: 15720 mg/kg LD50 dermal Rabbit > 16000 mg/kg