Sudan Black B

Sudan Black B

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Sudan Black B (C26H24N4O) is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. It has the appearance of a dark brown to black powder with maximum absorption at 596-605 nm and melting point 120-124 °C. It stains blue-black.

Sudan Black B is one of the dyes used for Sudan staining.Similar dyes include Oil Red O, Sudan III, and Sudan IV.

Sudan Black B can be used to stain some other materials than the other Sudan dyes, as it is not so specific to lipids.

A use of Sudan Black B is in fingerprint enhancement. It is useful for detecting fats that are contaminated with oil and grease.

Its other names are Sudan Black, Fat Black HB, Solvent Black 3, and C.I. 26150.

External links

* [ Stains File] entry

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Look at other dictionaries:

  • sudan black B — sudan black B. См. судан черный В. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Sudan black B — A diazo dye, used as a stain for fats …   Medical dictionary

  • Sudan black B fat stain — a stain used to demonstrate Legionella and fat vacuoles in bacterial cells. A heat fixed smear is treated with Sudan black B, cleared with xylol, and counterstained with safranin. Fat vacuoles stain blue black; bacterial cells stain pink …   Medical dictionary

  • Sudan IV — Other names Sudan R, C.I. Solvent Red 24, C.I. 26105, Lipid Crimson, Oil Red, Oil Red BB, Fat Red B, Oil Red IV, Scarlet Red, Scarlet Red N.F, Scarlet Red Scharlach …   Wikipedia

  • Sudan (disambiguation) — Sudan is a country in Northern Africa.Sudan may also refer to the following places:*Sudan (region), geographic region running across Africa (including the country of Sudan) just south of the Sahel *Sudan, Texas, United States *Dallas, Texas,… …   Wikipedia

  • Sudan stain — Sudan staining is the use of Sudan dyes to stain sudanophilic substances, usually lipids. Sudan lysochromes (Sudan II, Sudan III, Sudan IV, Oil Red O, and Sudan Black B) are used.Sudan dyes have high affinity to fats, therefore they are used to… …   Wikipedia

  • Sudan III — Chembox new Name = Sudan III ImageFile = Sudan III.png ImageSize = 200px ImageName = Sudan III IUPACName = 1 ((4 (phenyldiazenyl)phenyl)diazenyl)naphthalen 2 ol Section1 = Chembox Identifiers CASNo = 85 83 9 SMILES =… …   Wikipedia

  • Sudan stains — a group of azo compounds used for staining fats. The group includes Sudan I, Sudan II, Sudan III, Sudan IV, and Sudan black …   Medical dictionary

  • Sudan stains — a group of azo compounds used for staining fats. The group includes Sudan I, Sudan II, Sudan III, Sudan IV, and Sudan black …   The new mediacal dictionary

  • Sudan–United States relations — Sudan United States relations are bilateral relations between Sudan and the United States. History The United States and Sudan shared warm friendly relations between January 1, 1956 and June 29, 1989, but currently relations between the two… …   Wikipedia

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