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Technical Data Sheet
Eastman™ TBAA

Chemical Synonym
  • T-Butyl-Acetoacetate
  • Adhesives/sealants-B&C
  • Architectural coatings
  • Intermediates
  • Kitchen & bath
  • Paints & coatings
  • Pharmaceutical chemicals
Key Attributes
  • Improved adhesion to metal substrates
  • Low glass transition temperature for improved coating flexibility
  • Reaction with conventional crosslinkers
  • Resin viscosity reduction for lower VOC emissions
  • Room temperature cure, isocyanate-free crosslinking

Product Description

IUPAC: 1,1-dimethylethyl-3-oxobutanoate

Eastman™ TBAA is a reagent used to acetoacetylate hydroxyl-bearing coatings resins, such as polyesters, acrylics, cellulosics, and epoxies. It has also found use as an acetoacetylating reagent in pharmaceutical, agrichemical, and pigment applications. Eastman™TBAA acetoacetylates alcohols and amines in high yields.

Additional Eastman™ Acetoacetate Products:

  • AAEM (Acetoacetoxyethyl Methacrylate)
  • MAA (Methyl Acetoacetate)
  • EAA (Ethyl Acetoacetate)
  • AAA (Acetoacetanilide)
  • DMAA (N,N-Dimethylacetoacetamide)
  • BKB (Acetoacetamide)

Typical Properties

PropertyTest MethodTypical Value, Units
Molecular Weight 158.20
Empirical Formula C8H14O3
Form Liquid
Assay 98.8 wt %
     Pt-Co Scale 10
ViscosityASTM D 4462.23 cP (mPa·s)
Specific Gravity 
     @ 20°C/20°C 0.954
Wt/Vol 0.95 kg/L (7.93 lb/gal)
     in Water, @ 20°C Slight
     in Xylene, @ 20°C Soluble
Boiling Pointa 190 °C (374 °F)
Vapor Pressure 
     @ 25°C 57 Pa
Flash Point 
     Tag Closed Cup 66 °C (151 °F)
Chemical Inventory Listings TSCA, EINECS, MITI

aExtrapolated under vacuum.

Note: t-BAA must be stored in a cool, dry place at temperatures below 50°C (122°F).

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

4/4/2018 4:55:24 PM