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Dimethyl terephthalate

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Origem: China

Cas No: 120-61-6

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 100 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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Descrição do produto

Quick Details

CAS No.:: 120-61-6

Other Names:: dimethyl terephthalate

MF:: /

EINECS No.:: /

Place of Origin:: China

Type:: Pharmaceutical Intermediates

Purity:: 99%, 99% min

Brand Name:: ASiChou

Model Number:: /

Application:: Medical

Appearance:: White powder

USA Warehouse:: delivery within 48hrs

Grade:: Pharmaceutcial Grade

Storage:: Cool Dry Place

Keyword:: Dimethyl terephthalate

Content:: Dimethyl terephthalate 120-61-6

Packing:: Foil packing

Certificate:: Available

MOQ:: 10g

Shelf life:: 2 Years

Packaging&Delivery

Port: Shenzhen/Shanghai/Guangzhou/Tianjin/Ningbo/

Lead Time:

Quantity(Kilograms)	1 - 10	11 - 100	101 - 200	>200
Est. Time(days)	3	5	7	To be negotiated

Products Description

Product Name	DIMETHYL TEREPHTHALATE
Assay	99%
Appearance	white powder
Packaging Description	Sealed export grade drum & double of sealed plastic bag
Storage	In a cool dry place and keep away from strong light and heat
Shelf life	2 years when properly stored

Property

CAS No.: 120-61-6 Formula: C10H10O4 Molecular Weight: 194.18400

Description

Dimethyl terephthalate (DMT) is an organic compound with the formula C6H4(CO2CH3)2. It is the diester formed from terephthalic acid and methanol. It is a white solid that melts to give a distillable colourless liquid.

Basic Info

Chemical Name	Dimethyl terephthalate
Synonyms	1,4-Benzenedicarboxylic acid, dimethyl ester; Terephthalic Acid Dimethyl Ester; DiMethyl Terephthalate; dimethyl benzene-1,4-dicarboxylate;
CAS No.	120-61-6
Molecular Formula	C10H10O4
Molecular Weight	194.18400
PSA	52.60000
LogP	1.25980

Properties

Appearance & Physical State	white chunks
Density	1.29
Boiling Point	288ºC
Melting Point	140-143ºC
Flash Point	154ºC
Refractive Index	1.4752
Stability	Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
Vapor Density	1.04 (vs air)
Vapor Pressure	1.15 mm Hg ( 93 °C)

Safety Info

RTECS	WZ1225000
Safety Statements	S24/25
WGK Germany	1
RIDADR	3256
Risk Statements	R36/37/38

Synthesis Route

Methanol+4-Ethylacetophenone→Dimethyl terephthalate+methyl 4-ethylbenzoate
Methanol+METHYL 4-CHLOROBENZOATE→methyl benzoate+Dimethyl terephthalate
carbon monoxide+Methyl 4-iodobenzoate→Dimethyl terephthalate+methyl p-anisate

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	Ultra-1	125.	1461.	isothermal
Capillary	Ultra-1	150.	1470.	isothermal
Capillary	Ultra-1	175.	1480.	isothermal
Capillary	Ultra-1	200.	1492.	isothermal
Packed	OV-1	150.	1468.	isothermal

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Administration into the eye	Standard Draize test	Rodent - rabbit	500 mg/24H	-
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	>3200 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LD50 - Lethal dose, 50 percent kill	Rodent - rat	3900 mg/kg	1.Behavioral-muscle weakness

Precursor

terephthalic acid
Dimethyl 1,4-cyclohexanedione-2,5-dicarboxylate
METHYL 4-CHLOROBENZOATE
1,4-dichlorobenzene

Downstream Product

dimethyl 1-(2-chloroethyl)cyclohexane-1,4-dicarboxylate
methyl 4-methylcyclohexane-1-carboxylate
1,4-Cyclohexanedimethanol
4-Methyl-1-cyclohexanemethanol (cis- and trans- mixture)

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