Thiols, Mercaptans, and Other Stench Chemicals Standard Operating Procedure



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Thiols, Mercaptans, and Other Stench Chemicals

Standard Operating Procedure

Thiols, Mercaptans, and Other Stench Chemicals


This is an SOP template and is not complete until: 1) lab specific information is entered into the box below 2) lab specific protocol/procedure is added to the protocol/procedure section and
3) SOP has been signed and dated by the PI and relevant lab personnel.

Print a copy and insert into your


Laboratory Safety Manual and Chemical Hygiene Plan.
Refer to instructions for assistance.

School / Department:

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SOP Preparation Date:



SOP Approval Date:



Principal Investigator:

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Lab Manager Name:

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Laboratory Phone:

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Office Phone:

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Emergency Contact:

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Contact Phone:

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Laboratory locations covered by this SOP (building / room number):

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Type of SOP:



Process



Hazardous Chemical



Hazardous Class

Stench chemicals have an extremely foul smell that is detectable by the human nose in amounts as little as 1.4×10-4 ppb,1 depending on the compound. While the stench may not be known to have toxic effects, it can still negatively impact laboratory workers and people outside the laboratory (even outside the building) by inducing nausea and/or vomiting, and causing reports of gas leaks or sewage problems. The odors have even been responsible for building evacuations at ASU. Therefore, handling and disposal of stench compounds should be carefully controlled in order to minimize the release of odors.


Stench chemicals include:


  • thiols (mercaptans)





  • sulfides





  • selenides




  • amines





  • phosphines




“R” can include any organic chains or structures.


Purpose
The chemicals in these stench families can serve a wide variety of purposes in the lab.
Physical and Chemical Properties / Definition of Chemical Group


CAS:

varies

varies



Class:

varies

Molecular Formula:

RSH, R2S, R2Se, R3N, or R3P where R = aliphatic hydrocarbon chain or H; RCOOH where R = short aliphatic hydrocarbon chain

Form (physical state):

varies

Color:

varies

Boiling Point:

varies


Preceding information may change based on specific guidance for the hazardous material.


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