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Safety Information

B0154

Sigma-Aldrich

Butvar® B-98

Synonym(s):

Polyvinyl butyral

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About This Item

CAS Number:
63148-65-2
MDL number:
MFCD00084458
UNSPSC Code:
12171500

General description

Butvar® B-98 is a polyvinyl butyral resin for thin film support. It is stronger and stickier than Formvar. Butvar® B-98 is used in electron microscopy as a support film. The film is mechanically stable, electron transparent and has minimum intrinsic structure.

Application

Butvar® B-98 has been used for the coating of the nickel grids, used in transmission electron microscopy for mounting the samples.

Legal Information

Butvar is a registered trademark of Solutia, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

B0154-VAR:
B0154-BULK:
B0154-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
SLBN7992V
SLBL1929V
SLBH2178V
SLBC5793V
091M1465V

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Cell-specific expression of homospermidine synthase, the entry enzyme of the pyrrolizidine alkaloid pathway in Senecio vernalis, in comparison with its ancestor, deoxyhypusine synthase.
Moll S, et al.
Plant Physiology, 130, 47-47 (2002)
Dykstra MJ and Reuss LE
Biological Electron Microscopy: Theory, Techniques, and Troubleshooting (2003)
D A Handley et al.
Ultramicroscopy, 4(4), 479-480 (1979-01-01)
Support films prepared from butvar B-98 resin are mechanically stable, electron transparent, and possess minimum intrinsic structure. A simple procedure for routine preparation of support films using this resin is provided.
Luna LG
Histopathologic Methods and Color Atlas of Special Stains and Tissue Artifacts (1992)
J K Stoops et al.
Journal of electron microscopy technique, 18(2), 157-166 (1991-06-01)
The structure of ornithine decarboxylase (Mr approximately 1.04 x 10(6] from Lactobacillus 30a was investigated by electron microscopy and x-ray crystallography. Electron micrographs showed the structure to be well preserved in methylamine tungstate stain. The molecules interacted little with the
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