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Trimethyl orthoacetate

Trimethyl orthoacetate structure

CAS No:
1445-45-0
Formula:
C5H12O3
Chemical Name:
Trimethyl orthoacetate
Synonyms:
Ethane,1,1,1-trimethoxy-;Orthoacetic acid,trimethyl ester;1,1,1-Trimethoxyethane;Trimethyl orthoacetate;Methyl orthoacetate
Categories:
Agrochemicals > Pesticide Intermediates

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Description

CLEAR COLOURLESS TO SLIGHTLY BROWN LIQUID

Liquid

Trimethyl orthoacetate Basic Attributes

Molecular Weight：

120.15

Exact Mass：

120.15

BRN：

1098338

EC Number：

215-892-9

UNII：

04H7A3FK37

DSSTox ID：

DTXSID8027400

HScode：

29159080

Characteristics

PSA：

27.7

XLogP3：

0.2

Appearance：

Clear colorless to slightly brown Liquid

Density：

0.944 g/mL at 25 °C(lit.)

Melting Point：

-58ºC

Boiling Point：

108 °C

Flash Point：

62 °F

Refractive Index：

n 20/D 1.388(lit.)

Water Solubility：

HYDROLYSIS

Storage Conditions：

Flammables area

Vapor Pressure：

20 hPa (20 °C)

Toxicity：

LD50 orally in Rabbit: > 2000 mg/kg

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 3272 3/PG 2

wgk germany：

hazard class code：

11-43-38-36/37/38

safety instructions：

16-37/39-24-33-26-7/9

Marks：

F,Xi

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P261, P264, P272, P280, P302+P352, P303+P361+P353, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P370+P378, P403+P235, P501

Hazard Statements：

H225

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P272, P280, P302+P352, P303+P361+P353, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P370+P378, P403+P235, and P501|Aggregated GHS information provided by 96 companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Trimethyl orthoacetate Use and Manufacturing

Methods of Manufacturing

The preparation method is to add anhydrous acetonitrile, methanol and solvent carbon tetrachloride to the reaction pot, cool to -10°C, pass in a metered amount of dry HCl gas under stirring, and slowly raise the temperature to 0 after passing the HCl. ～5℃, continue to stir at this temperature for 12h to obtain a reaction mixture of crude imino ether hydrochloride. The reaction mixture is neutralized with 28% sodium methoxide methanol solution to pH=6.5, and then pre-cooled methanol is added. Alcoholysis, the temperature is controlled at 5℃, then the temperature is raised to 35～40℃, the reaction is continued to stir for 10h, then cooled to 0～5℃, ammonium chloride is removed by suction filtration, the filtrate is neutralized with 28% sodium methoxide methanol solution to adjust the pH =8, then filter and then distill, first remove the solvent carbon tetrachloride, and then collect the distillate at 107～110℃ to be trimethyl orthoacetate, the yield can reach 90%.

Uses

It is an intermediate used in the production of medicines and pesticides, as well as the main raw material for the production of food additives, coatings, paints, etc. It is used as an organic synthesis reagent.

Paint additives and coating additives not described by other categories

Non-TSCA use

Production

500,000 - 1,000,000 lb

Manufacturing Info：

Paint and coating manufacturing|Ethane, 1,1,1-trimethoxy-: ACTIVE

Computed Properties

Molecular Weight:120.15
XLogP3:0.2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:3
Exact Mass:120.078644241
Monoisotopic Mass:120.078644241
Topological Polar Surface Area:27.7
Heavy Atom Count:8
Complexity:50.4
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

Sucralose

4-Pentenoic acid, 3,3-dimethyl-, methyl ester

Recommended Suppliers of Trimethyl orthoacetate

Shaanxi Dideu Medichem Co. Ltd Contact Supplier

CN
4 YRS

Business licensed Certified factory

Manufactory Supplier of Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst,Chemical Materials,Chem&Pharm Intermediates,Organic Intermediates,Feed Additive

Trimethyl orthoacetate1KG

Unit Price: $2500 /Unit EXW

CAS No.: 1445-45-0

Grade: Industrial Grade

Inquiry
Shandong Airuike Chemical Co., Ltd. Contact Supplier

CN
2 YRS

Business licensed

Trader Supplier of api,Intermediates,Organic Chemistry,Inorganic Chemistry,Daily Chemicals,Cosmetic Raw Materals,CATALYST AND AUXILIARY,FLAVORS AND FRAGRANCES,Chemical Pesticides,ADDITIVE

Trimethyl orthoacetate

Unit Price: $1 /KG EXW

CAS No.: 1445-45-0

Grade: pharmaceutical grade

Content: 99%

Inquiry