Pyrvinium

Analysis Note In addition to the emission maximum at 375 nm, there are lower maxima at 395, 385, 380, 415 and 445 nm.

Pyrene belongs to polycyclic aromatic hydrocarbon group. These are organic compounds which have two or more fused benzene rings in linear, angular and cluster arrangements.

Analysis Note Assay (GC, area%): &#8805 96.0 % (a/a) Melting range (lower value): &#8805 147 &#176C Melting range (upper value): &#8804 150 &#176C Identity (IR): passes test

Pyrene-4，5-dione.

Pyrene-4，5-dione.

Pyrene-4，5-dione.

Pyrethrum extract is an extract of pyrethrum flowers in petroleum oil with a definite pyrethrin content. It instantly brings about a knock down action in insects, thereby acting as an effective insecticide.

Analysis Note ~25% pyrethrine I and pyrethrine II

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the

Recommended for use as animal jars or for other purposes where resistance to hot air and steam sterilization is of importance. These jars are blown with walls approximately 4.

Particularly adapted to analytical work where precipitates are dried to constant weight at 110°C. Also suitable for higher temperatures, in which case is advisable to heat in an electric furnace.

Particularly adapted to analytical work where precipitates are dried to constant weight at 110°C. Also suitable for higher temperatures, in which case is advisable to heat in an electric furnace.