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27500

Sigma-Aldrich

Triethyl citrate

greener alternative

≥98.0% (GC)

Synonym(s):

Ethyl citrate

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About This Item

Linear Formula:
HOC(COOC2H5)(CH2COOC2H5)2
CAS Number:
77-93-0
Molecular Weight:
276.28
Beilstein:
1801199
EC Number:
201-070-7
MDL number:
MFCD00009201
UNSPSC Code:
12352100
PubChem Substance ID:
57648253
NACRES:
NA.22
Pricing and availability is not currently available.

vapor density

9.7 (vs air)

Quality Level

100

vapor pressure

1 mmHg ( 107 °C)

Assay

≥98.0% (GC)

form

liquid

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

refractive index

n20/D 1.442 (lit.)

bp

235 °C/150 mmHg (lit.)

density

1.14 g/mL at 25 °C (lit.)

functional group

ester
hydroxyl

greener alternative category

, Aligned

SMILES string

CCOC(=O)CC(O)(CC(=O)OCC)C(=O)OCC

InChI

1S/C12H20O7/c1-4-17-9(13)7-12(16,11(15)19-6-3)8-10(14)18-5-2/h16H,4-8H2,1-3H3

InChI key

DOOTYTYQINUNNV-UHFFFAOYSA-N

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General description

Triethyl citrate is a safe direct food additive[1].
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. This product can replace highly toxic diluents in membrane preparation and thus aligns with "Less Hazardous Chemical Syntheses". Click here for more information.

Application

Triethyl citrate was used as a plasticizer in the study of the feasibility of near-infrared (NIR) spectroscopy in determining the influence of plasticizer levels and sintering temperature on the breaking force of extended-release matrix tablets prepared by roller-compaction[2].

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

311.0 °F - closed cup

Flash Point(C)

155 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ5043
BCBN8745V
BCBH5668V
BCBK7618V
BCBF7327V

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Monice M Fiume et al.
International journal of toxicology, 33(2 suppl), 16S-46S (2014-05-28)
The CIR Expert Panel (Panel) assessed the safety of citric acid, 12 inorganic citrate salts, and 20 alkyl citrate esters as used in cosmetics, concluding that these ingredients are safe in the present practices of use and concentration. Citric acid
Shital M Maru et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 44(4), 471-478 (2011-09-20)
The influence of antiretroviral drugs and plasticizers on the rheological and thermal characteristics of ethyl cellulose formulations intended for hot melt extrusion has been investigated. Antiretroviral drugs used were zidovudine and lamivudine, whilst plasticizers included triethylcitrate (TEC) and polyethylene glycol
H M Fadda et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 76(3), 493-497 (2010-08-31)
Glass transition temperature (T(g)) measurements of polymers are conventionally conducted in the dry state with little attention to the environment they are designed to work in. Our aim was to develop the novel use of dynamic mechanical analysis (DMA) to
Claire Gendre et al.
International journal of pharmaceutics, 421(2), 237-243 (2011-10-11)
The aim of this work was to carry out real-time near infrared (NIR) predictions of drug release from sustained release coated tablets and to determine end point of coating operation. In-line measurements were ensured by implementation of a NIR probe
T Quinten et al.
AAPS PharmSciTech, 13(4), 1197-1211 (2012-09-12)
Sustained-release matrix tablets based on Eudragit RL and RS were manufactured by injection moulding. The influence of process temperature; matrix composition; drug load, plasticizer level; and salt form of metoprolol: tartrate (MPT), fumarate (MPF) and succinate (MPS) on ease of
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Questions

1–2 of 2 Questions  

  1. 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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  2. 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/449/386/product-dating-information-mk.pdf

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