Technical Information
TI/ED 1988 e
June 2007
Acrylic Monomers
and Superabsorbents
Page 1 of 3
Supersedes edition dated April 2006
N-Vinylformamide
VFA, a multifunctional molecule for manufacturing polymers and for
use as a feedstock for syntheses.
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CAS-Nr.: 13162-05-5
EINECS-Nr.: 236-102-9
C3H4ON Molar mass: 71.1 kg/kmol
Product specification
Assay (HPLC)
min. 98.5 %
pH value (DIN 19268)
min. 4.5, max 8.5
Formamide (HPLC)
max. 0.5 %
Standard stabilization 25 – 55 ppm Tempo/Tempol
he aforementioned data shall constitute the agreed contractual quality of
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the product at the time of passing of risk. The data are controlled at regular
intervals as part of our quality assurance program. Neither these data nor
the properties of product specimens shall imply any legally binding guarantee of certain properties or of fitness for a specific purpose. No liability of
ours can be derived therefrom.
Other properties
Labelling according
to Directives
see MSDS
Appearance
Physical form
Odour
Density at 20 °C Boiling point
Viscosity at 0 °C Flash point
Ignition temperature
Vapour pressure at 20 °C Solubility in water at 20 °C Freezing point
colourless – slightly yellow
liquid
low, product specific
1.017 g/cm3
70 °C/5 hPa
6.5 mPa · s
103 – 105 °C
305 – 315 °C
0.2 mbar
perfectly miscible
– 8.9 °C
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TI/ED 1988 e June 2007
Page of 3
N-Vinylformamide
Applications
-Vinylformamide (VFA) is a raw material for homopolymers or copolymers
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with acrylamide, acrylonitrile, acrylates or acrylic acid. The polymers are
water-soluble and have applications in a number of fields. VFA can be used
as a building block to make larger monomers and other compounds.
ajor applications are dry and wet strength for paper manufacturing. Other
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areas of potential interest are
• Reactive Diluent for Radiation Curing
• Water treatment
• Cosmetics
• Specialty chemicals
• Surface modification
• Superabsorbents
• Construction and adhesives
• Absorption of pollutants
• Petroleum recovery from oil wells
Polymers of VFA can be hydrolyzed to form polymers with primary amine
functionality.
Safety
Material Safety Data Sheet has been compiled for Vinylformamide that
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contains up-to-date information on all questions relevant to safety.
Storage & Handling
Suitable materials for storage and piping to avoid corrosion.
Suitable conditions of storage.
Protect VFA from temperatures of 5 °C and above to prevent exo-thermic
reactions.
Protect VFA from moisture (e. g. atmospheric moisture) and avoid any
contact with acids or bases because of the strongly exothermic hydrolysis.
Hydrolysis of VFA monomer leads to increased levels of acetaldehyde.
The maximum storage time is 6 month at 4 °C. If VFA is consumed within
one month, low temperature storage is not necessary. The maximum
­temperature must be observed.
reathing of the storage tank or for Intermediate Bulk Containers (IBCs)
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­during partial emptying should be handled using a padding regulator (e. g.
+ 20 mbar) and a gas (e. g. nitrogen) dried to a condensation point of less
than – 30 °C.
In general, the lower the storage temperature the higher the product quality
will be.
dequate inhibition is necessary to avoid polymerization in a properly stored
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VFA. The standard level of inhibitor in commercially available VFA is 25 to
55 ppm Tempo/Tempol. The standard inhibitor protects against free-radical
polymerization. It has no protective effect against hydrolysis caused by acids
or bases.
Stainless Steel, material numbers: 1.4541, 1.4571 or 1.4139.
N-Vinylformamide
TI/ED 1988 e June 2007
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In addition to the Tempo/Tempol, the presence of dissolved oxygen in the
VFA liquid enhances the stabilization. Dissolved oxygen converts carbon
centered radicals to oxygen centered radicals, which the Tempo/Tempol can
trap to stabilize VFA thereby enhancing the stability margin. The yellowish
colour intensifies during this process. An inert atmosphere is preferred in
most cases due to the potential intensification of the yellowish colour.
Regulation about storage.
Water hazard class 1 (in Germany).
Recommendation of the supplier: Keep in a cool, well-ventilated place. Protect against temperatures of above 25 °C. Do not store together with acids,
bases, ammonia and amines.
ADR Transport classification.
Not classified as hazardous under transport regulations.
Note
The data contained in this publication are based on our current knowledge and experience. In view of the many factors that may affect processing and application of our product, these data do not relieve processors from carrying out their own investigations and tests; neither do these data imply any guarantee of certain properties, nor the suitability of the product for a specific purpose. Any descriptions, drawings, photographs, data, pro-
portions, weights etc. given herein may change without prior information and do not constitute the agreed contractual quality of the product. It is the responsibility of the recipient of our products to ensure that any proprietary rights and existing laws and legislation are observed.
June 2007
BASF Group
GBU Acrylic Monomers and
Superabsorbents, G-EDG
67056 Ludwigshafen, Germany
www.acrylicmonomers.net