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525073

Sigma-Aldrich

Triacetin

greener alternative

99%

Synonym(s):

1,2,3-Triacetoxypropane, 1,2,3-Triacetylglycerol, Glyceryl triacetate

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1 L
€70.60
4 L
€152.00
20 L
€518.00

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1 L
€70.60
4 L
€152.00
20 L
€518.00

About This Item

Linear Formula:
(CH3COOCH2)2CHOCOCH3
CAS Number:
Molecular Weight:
218.20
Beilstein:
1792353
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

€70.60


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vapor density

7.52 (vs air)

Quality Level

Assay

99%

autoignition temp.

809 °F

expl. lim.

1.05 %, 189 °F
7.73 %, 215 °F

greener alternative product characteristics

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

sustainability

Greener Alternative Product

refractive index

n25/D 1.429-1.431 (lit.)

bp

258 °C (lit.)

mp

3 °C (lit.)

density

1.16 g/mL at 25 °C (lit.)

functional group

ester

greener alternative category

SMILES string

CC(=O)OCC(COC(C)=O)OC(C)=O

InChI

1S/C9H14O6/c1-6(10)13-4-9(15-8(3)12)5-14-7(2)11/h9H,4-5H2,1-3H3

InChI key

URAYPUMNDPQOKB-UHFFFAOYSA-N

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General description

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

Triacetin can be used as:
  • An additive in the preparation of flax fiber-polylactic acid (PLA) composites due to its compatibility with the polymer and ability to increase the elongation of the plastic.[1]
  • A reactant in the transesterification reaction with methanol using various catalysts.[2][3]

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

298.4 °F - closed cup

Flash Point(C)

148 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Customers Also Viewed

Slide 1 of 2

1 of 2

Transesterification of triacetin with methanol on solid acid and base catalysts
Lopez DE, et al.
Applied Catalysis A: General, 295(2), 97-105 (2005)
Natural fibres as reinforcement in polylactic acid (PLA) composites
Oksman K, et al.
Composites Science and Technology, 63(9), 1317-1324 (2003)
Transesterification of triacetin with methanol on Nafion
Lopez DE, et al.
J. Catal., 245(2), 381-391 (2007)
Hui Liu et al.
Journal of pharmaceutical sciences, 101(5), 1783-1793 (2012-02-10)
Although injectable depot-forming solutions have been commercialized, the factors that influence the overall release kinetics from such systems are still not fully understood. In this work, we address the effect of cosolvent on the issue of excessive burst release of
Huayin Pu et al.
Journal of agricultural and food chemistry, 59(10), 5738-5745 (2011-04-26)
An oral colon-targeting controlled release system based on resistant starch acetate (RSA) as a film-coating material was developed. The RSA was successfully synthesized, and its digestion resistibility could be improved by increasing the degree of substitution (DS), which was favorable

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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