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You are here:Home » Biochemicals » Biochem-Molecular Biology » Tegosept (Drosophila anti-fungal agent) (p-Hydroxybenzoic acid methyl ester, Methyl 4-hydroxybenzoate, Nipagine)

Tegosept (Drosophila anti-fungal agent) (p-Hydroxybenzoic acid methyl ester, Methyl
4-hydroxybenzoate, Nipagine)


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Drosophila anti-fungal agent or mold inhibitor used in conjunction with Drosophila Insect Diet (Caltech). Used as a fly food preservative. Odorless, tasteless and non-toxic (sanctioned for food use), Tegosept is active at low concentrations against a broad spectrum of microorganisms
Catalog #T2300
Melting Point125-128°C
Loss on Drying 0.5
Residue on Ignition 0.5%
Sulfated Ash 0.5%
Heavy Metals 0.001%
Drosophila Diet Medium1. Dissolve 226.53 grams Drosophila Diet Medium (Powder) D9600-07 per liter of distilled/ deionized water, heating to boiling with stirring until completely solubilized.
2. Allow to cool to 80°C.
3. Add in while stirring antifungal agents: Tegosept (0.07-2%/L) or Propionic Acid Mix (11.7ml/L).
Note: both can be added for additional fungal protection or to eliminate sporadic mold problems.
4. Dispense into appropriate containers, store at 2-8ºC in the dark.
CAS Number99-76-3
Molecular FormulaC8H8O3
Molecular Weight152.1
FormWhite crystalline powder
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesp-hydroxybenzoic acid, methyl ester; methyl paraben; nipagen; Lexgard M

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