4,4-Dimethoxy-2-butanone , 95% , 5436-21-5

Synonym(s):
3-Ketobutyraldehyde dimethyl acetal;3-Oxobutyraldehyde dimethylacetal;4,4-Dimethoxy-2-butanone;Acetylacetaldehyde dimethylacetal

CAS NO.：5436-21-5

Empirical Formula: C6H12O3

Molecular Weight: 132.16

MDL number: MFCD00008789

EINECS: 226-605-1

PRODUCT Properties

• Melting point: -82 °C
• Boiling point: 70-73 °C/20 mmHg (lit.)
• Density: 0.996 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.414(lit.)
• FEMA: 3381 | 3-OXOBUTANAL DIMETHYL ACETAL
• Flash point: 121 °F
• storage temp.: Inert atmosphere,Room Temperature
• solubility: soluble in Chloroform, Ethyl Acetate
• form: Liquid
• color: Clear colorless to yellow
• Odor: at 0.10 % in dipropylene glycol. ethereal musty nutty alcoholic bitter
• Odor Type: ethereal
• Water Solubility: decomposes
• JECFA Number: 593
• BRN: 1702372
• InChIKey: PJCCSZUMZMCWSX-UHFFFAOYSA-N
• LogP: 0.33
• CAS DataBase Reference: 5436-21-5(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Butanone, 4,4-dimethoxy-(5436-21-5)
• EPA Substance Registry System: 2-Butanone, 4,4-dimethoxy- (5436-21-5)

Description and Uses

4,4-Dimethoxy-2-butanone (β-ketobutyracetal) may be used in the preparation of:

• (R)-4,4-dimethoxy-2-butanol
• pyrazoles and pyrimidines
• [7,16-dihydro- 6,15( 17)-dimetbyldibenzo[b,i]-[1,4,8,11]tetrilazacyclotetradecinato-N⁵,N⁹,N¹⁴,N¹⁸]nickel{II)

Safety

• Symbol(GHS): GHS02
• Signal word: Warning
• Hazard statements: H226
• Precautionary statements: P210-P233-P240-P241-P242-P243
• Hazard Codes: F
• Risk Statements: 10
• Safety Statements: 16
• RIDADR: UN 1989 3/PG 3
• WGK Germany: 2
• RTECS: EL7592500
• TSCA: Yes
• HazardClass: 3
• PackingGroup: III
• HS Code: 29145000
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)