2-Methoxyacetaldehyde dimethyl acetal

Name	methoxyacetaldehyde dimethyl acetal
Synonyms	Trimethoxyethane 1,1,2-TRIMETHOXYETHANE 1,1,2-Trimethoxyethane Ethane, 1,1,2-trimethoxy- methoxyacetaldehyde dimethyl acetal METHOXYACETALDEHYDE DIMETHYL ACETAL METHOXYACETALDEHYDE DIMETHYL ACEETAL 2-Methoxyacetaldehyde dimethyl acetal
CAS	24332-20-5
EINECS	246-175-9
InChI	InChI=1/C5H12O3/c1-6-4-5(7-2)8-3/h5H,4H2,1-3H3

Molecular Formula	C5H12O3
Molar Mass	120.15
Density	0.932g/mLat 25°C(lit.)
Boling Point	56-59°C56mm Hg(lit.)
Flash Point	74°F
Appearance	clear liquid
Specific Gravity	0.96
Color	Colorless to Almost colorless
BRN	741876
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	n20/D 1.392(lit.)
MDL	MFCD00008486
Physical and Chemical Properties	The boiling point of 125-127 ℃,56-59 ℃(7.47kPa) relative density of 0.932, refractive index of 1.3921, flash point of 23 ℃.

Hazard Symbols	Xi - Irritant
Risk Codes	R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
UN IDs	UN 3271 3/PG 3
WGK Germany	3
HS Code	29110000
Hazard Class	3.2
Packing Group	III

update date:	2022/11/12 10:05:38
NIST chemical information	Information provided by: webbook.nist.gov (external link)
Use	Used as an intermediate in organic synthesis.
production method	is obtained by condensation, chlorination and etherification of acetaldehyde. Slowly add acetaldehyde to methanol, and apply chlorine at 38-40 ℃. Then react at 40-43 ℃ for 3h. Cool to room temperature and use lime to neutralize to a pH value of 7, stand and delaminate, and the upper layer is chloroacetaldehyde dimethanol with a content of about 80%. It was added into 40% sodium methoxide and reacted at 100 ℃ for 6 hours at a pressure of about 0.2MPa. Evaporate methoxyacetaldehyde dimethanol, and then rectify the distilled liquid to obtain the finished product with a yield of more than 50%.

Last Update：2024-04-09 20:52:54

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2-Methoxyacetaldehyde dimethyl acetal

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