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Butane-1-thiol

Organosulfur compound (C4H9SH)

Organosulfur compound (C4H9SH)

n-Butyl mercaptan Thiobutyl alcohol Mercaptobutane n-Butanethiol 1-Mercaptobutane | NFPA-H = 2 | NFPA-F = 3 | NFPA-R = 0 | NFPA-S = 2500 ppm (mouse, 4 hr) 770 ppm (dog, 30 min)

Butane-1-thiol, also known as butyl mercaptan, is an organosulfur compound with the formula . It is classified as a thiol. It is a volatile, colorless liquid with a fetid (extremely foul-smelling) odor, commonly described as "skunk" odor. In fact, 1-butanethiol is structurally similar to several constituents of a skunk's defensive spray but is not present in the spray. The scent of 1-butanethiol is so strong that the human nose can easily detect it in the air at concentrations as low as 10 parts per billion. The threshold level for 1-butanethiol is reported as 1.4 ppb

Uses

Butane-1-thiol is used as an industrial solvent, and as an intermediate for cotton defoliants. It is sometimes placed in "stink bombs" and "stink perfumes" for pranksters.

Safety

Inhalation may cause weakness, confusion, cough, dizziness, drowsiness, headache, nausea, vomiting, and shortness of breath. The substance irritates the eyes, the skin, and the respiratory tract. It may cause effects on the thyroid and the nervous system and could cause lowering of consciousness.

Notes

References

References

  1. ''Merck Index'', 12th Edition, '''1611'''.
  2. {{PGCH. 0083
  3. {{IDLH. 109795. n-Butyl mercaptan
  4. Andersen K. K., Bernstein D. T.. (1978). "1-Butanethiol and the Striped Skunk". Journal of Chemical Education.
  5. Devos, M. (1990). "Standardized Human Olfactory Thresholds". IRL Press.
  6. National Library of Medicine HSDB Database. "Merphos". National Library of Medicine.
  7. "n-BUTYL MERCAPTAN". National Institute for Occupational Safety and Health.
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alkanethiols foul-smelling-chemicals butylthio-compounds
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