Isopropyl mercaptan: Difference between revisions
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'''Isopropyl mercaptan''' is |
'''Isopropyl mercaptan''' is a [[thiol]] with the formula C<sub>3</sub>H<sub>8</sub>S. It is a water-white{{Clarify|reason=What does "water-white" mean?|date=July 2024}} liquid with an extremely pungent odor resembling [[skunk spray]] or [[Hydrogen sulfide|rotten eggs]]. The pungent smell allows it to be used as an [[odorizer]].<ref>{{Cite journal |last1=Michanowicz |first1=Drew R. |last2=Leventhal |first2=Olivia M. |last3=Domen |first3=Jeremy K. |last4=Williams |first4=Samuel R. |last5=Lebel |first5=Eric D. |last6=Hill |first6=Lee Ann L. |last7=Buonocore |first7=Jonathan J. |last8=Nordgaard |first8=Curtis L. |last9=Bernstein |first9=Aaron S. |last10=Shonkoff |first10=Seth B.C. |date=2023-07-25 |title=Natural gas odorants: A scoping review of health effects |journal=Current Environmental Health Reports |language=en |volume=10 |issue=3 |pages=337–352 |doi=10.1007/s40572-023-00403-w |pmid=37491689 |pmc=10504204 |s2cid=260163457 |issn=2196-5412|doi-access=free }}</ref> The [[Food and Drug Administration|FDA]] has approved it for use as a [[food additive]] for its flavor.<ref>{{Cite web |last=PubChem |title=2-Propanethiol Flavor profile |url=https://pubchem.ncbi.nlm.nih.gov/compound/6364 |access-date=2023-09-15 |website=pubchem.ncbi.nlm.nih.gov |language=en}}</ref> Another use is as a rubber additive.<ref>{{Cite journal |last1=Li |first1=Zhiwei |last2=An |first2=Dong |last3=He |first3=Rizheng |last4=Sun |first4=Zhijian |last5=Li |first5=Jiaxiong |last6=Zhang |first6=Zhiyi |last7=Liu |first7=Yaqing |last8=Wong |first8=Chingping |date=April 2023 |title=The design of crosslinks in different vulcanized systems to improve crack growth resistance for carbon black/graphene oxide/natural rubber composites |url=https://link.springer.com/10.1007/s42114-023-00662-z |journal=Advanced Composites and Hybrid Materials |language=en |volume=6 |issue=2 |doi=10.1007/s42114-023-00662-z |s2cid=258137193 |issn=2522-0128}}</ref> |
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==Analysis and detection== |
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The usual method of analysis and detection is by gas chromatography.<ref>{{Cite journal |last=Tangerman |first=Albert |date=1986-01-01 |title=Determination of volatile sulphur compounds in air at the parts per trillion level by tenax trapping and gas chromatography |url=https://www.sciencedirect.com/science/article/pii/S0021967301934685 |journal=Journal of Chromatography A |volume=366 |pages=205–216 |doi=10.1016/S0021-9673(01)93468-5 |pmid=3782318 |issn=0021-9673}}</ref><ref>{{Cite journal |last1=Wang |first1=Xinguang |last2=Le |first2=Minh |last3=Stuetz |first3=Richard |date=January 2022 |title=Calibration methods for VSCs measured on AS-TD-GC-SCD |url=https://link.springer.com/10.1007/s10661-021-09690-y |journal=Environmental Monitoring and Assessment |language=en |volume=194 |issue=1 |page=25 |doi=10.1007/s10661-021-09690-y |pmid=34905118 |bibcode=2022EMnAs.194...25W |s2cid=245134350 |issn=0167-6369}}</ref> |
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==See also== |
==See also== |
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Latest revision as of 23:16, 2 July 2024
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| Names | |
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Other names
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| Identifiers | |
3D model (JSmol)
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| 605260 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.000.784 |
| EC Number |
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| KEGG | |
PubChem CID
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| UNII | |
| UN number | 2402 |
CompTox Dashboard (EPA)
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| Properties | |
| C3H8S | |
| Molar mass | 76.16 g·mol−1 |
| Density | 0.8143 |
| Melting point | −130.7 °C (−203.3 °F; 142.5 K) |
| Boiling point | 52.5 °C (126.5 °F; 325.6 K) |
| 4835 g/L | |
| Vapor pressure | 277.3 mm Hg |
| Hazards | |
| GHS labelling:[1] | |
  
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| Danger | |
| H225, H302, H315, H319, H331 | |
| P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P316, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501 | |
| Related compounds | |
Related compounds
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Propanethiol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Isopropyl mercaptan is a thiol with the formula C3H8S. It is a water-white[clarification needed] liquid with an extremely pungent odor resembling skunk spray or rotten eggs. The pungent smell allows it to be used as an odorizer.[2] The FDA has approved it for use as a food additive for its flavor.[3] Another use is as a rubber additive.[4]
See also
[edit]References
[edit]- ^ "2-Propanethiol". pubchem.ncbi.nlm.nih.gov.
- ^ Michanowicz, Drew R.; Leventhal, Olivia M.; Domen, Jeremy K.; Williams, Samuel R.; Lebel, Eric D.; Hill, Lee Ann L.; Buonocore, Jonathan J.; Nordgaard, Curtis L.; Bernstein, Aaron S.; Shonkoff, Seth B.C. (2023-07-25). "Natural gas odorants: A scoping review of health effects". Current Environmental Health Reports. 10 (3): 337–352. doi:10.1007/s40572-023-00403-w. ISSN 2196-5412. PMC 10504204. PMID 37491689. S2CID 260163457.
- ^ PubChem. "2-Propanethiol Flavor profile". pubchem.ncbi.nlm.nih.gov. Retrieved 2023-09-15.
- ^ Li, Zhiwei; An, Dong; He, Rizheng; Sun, Zhijian; Li, Jiaxiong; Zhang, Zhiyi; Liu, Yaqing; Wong, Chingping (April 2023). "The design of crosslinks in different vulcanized systems to improve crack growth resistance for carbon black/graphene oxide/natural rubber composites". Advanced Composites and Hybrid Materials. 6 (2). doi:10.1007/s42114-023-00662-z. ISSN 2522-0128. S2CID 258137193.