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Merck

185124

Dimethyl terephthalate

ReagentPlus®, ≥99%

Synonym(s):

DMT, Dimethyl 1,4-benzenedicarboxylate, Dimethyl p-benzenedicarboxylate, Dimethyl p-phthalate, Methyl 4-(carbomethoxy)benzoate

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500 G

$61.20

3 KG

$291.00

$61.20


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About This Item

Linear Formula:
C6H4-1,4-(CO2CH3)2
CAS Number:
Molecular Weight:
194.18
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
39024601
UNSPSC Code:
12352100
EC Number:
204-411-8
MDL number:
Beilstein/REAXYS Number:
1107185

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Product Name

Dimethyl terephthalate, ReagentPlus®, ≥99%

InChI key

WOZVHXUHUFLZGK-UHFFFAOYSA-N

InChI

1S/C10H10O4/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H3

SMILES string

COC(=O)c1ccc(cc1)C(=O)OC

vapor density

1.04 (vs air)

vapor pressure

1.15 mmHg ( 93 °C)

product line

ReagentPlus®

assay

≥99%

form

(Powder or Crystals or Chunk(s))

autoignition temp.

1058 °F

mp

139-141 °C (lit.)

solubility

water: slightly soluble 0.0493 g/L at 20 °C

functional group

ester

Quality Level

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1 of 4

This Item
07038864408.08177
assay

≥99%

assay

-

assay

≥99.0% (GC)

assay

≥99.0% (GC)

Quality Level

200

Quality Level

200, 300

Quality Level

100

Quality Level

200

solubility

water: slightly soluble 0.0493 g/L at 20 °C

solubility

-

solubility

-

solubility

-

form

(Powder or Crystals or Chunk(s))

form

-

form

powder, crystals or chunks

form

solid

mp

139-141 °C (lit.)

mp

139-141 °C (lit.)

mp

139-141 °C (lit.), 140-142 °C

mp

139-141 °C

vapor density

1.04 (vs air)

vapor density

1.04 (vs air)

vapor density

1.04 (vs air)

vapor density

-

Application

Dimethyl terephthalate was used to synthesize silicone aromatic polyesters by the transesterification reaction with α,ω-bis(hydroxyalkyl)-terminated poly(dimethylsiloxane) in toluene[1]. It was used in the synthesis of multiblock copolymers consisting of polyiso-butylene, dimethyl terephthalate and 1,4-butanediol[2].

General description

Dimethyl terephthalate undergoes enzymatic polycondensation with 1,8-diaminooctane to yield oligo(octamethylene terephthalamide)[3].

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

309.2 °F - (External MSDS)

flash_point_c

154 °C - (External MSDS)

ppe

Eyeshields, Gloves, type N95 (US)


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Tristan A Geervliet et al.
Chemistry, an Asian journal, 14(6), 877-883 (2018-12-15)
This study reports for the first time the use of bio-based alternatives for PMMA as host matrix for luminescent solar concentrators (LSCs). Notably, two types of renewable polyesters were synthesized in varying molar ratios via a two-step melt-polycondensation reaction with
Copolyesters containing polyisobutylene soft segments and polybutylene terephthalate as the crystalline segments.
Deak G and Kennedy JP.
Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 33(S7-8), 439-449 (1996)
Yadagiri Poojari et al.
Chemical communications (Cambridge, England), (44)(44), 6834-6835 (2009-11-04)
Immobilized Candida antarctica lipase B (CALB) was successfully employed as a catalyst to synthesize silicone aromatic polyesters by the transesterification of dimethyl terephthalate with alpha,omega-bis(hydroxyalkyl)-terminated poly(dimethylsiloxane) in toluene under mild reaction conditions.
E Stavila et al.
Biomacromolecules, 14(5), 1600-1606 (2013-04-03)
Enzymatically catalyzed polycondensation of p-xylylenediamine and diethyl sebacate resulted in oligo(p-xylylene sebacamide) with high melting temperatures (223-230 °C) and the enzymatic polycondensation of dimethyl terephthalate and 1,8-diaminooctane leads to oligo(octamethylene terephthalamide) with two melting temperatures at 186 and 218 °C.
[The basophil degranulation reaction as a method for detecting allergy and autoallergy to common chemical compounds].
G I Vinogradov et al.
Laboratornoe delo, (6)(6), 339-341 (1984-01-01)

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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