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A. P. BUCK INC.
7101 Presidents Dr.
Suite 110
Orlando, Fl. 32809
Phone: 800-330-2825 
Phone:407-851-8602
Fax: 407-851-8910

 

 Tetrahydrothiophene (C4H8S)
Item Item Details
(Price is for domestic US market only)
Tetrahydrothiophene (C4H8S)
Item Name:
Tetrahydrothiophene (C4H8S)
Item #:
GAS-76M

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Tetrahydrothiophene (C4H8S)

Tetrahydrothiophene C4H8S NO.76M

76M


Performance

Measuring Range

10 to 100 mg/m3

Number of Pump Stroke

2

Correction Factor

1

Sampling Time

1.5 minutes per pump stroke

Detecting Limit

2 mg/m3 (n=2)

Color Change

Pink Pale Yellow

Reaction Formula

Tetrahydrothiophene reduces permanganate
to form pale yellowish reaction product.
C4H8S + MnO4 (Pink) Yellow Reaction Product

Coefficient of Variation 10% (for 10 to 30 mg/m3), 5% (for 30 to 100 mg/m3)
Shelf Life 2 Years
Corrections for
temperature & humidity		 Temperature correction is necessary
Store the tubes at cool and dark place.


Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Ethyl mercaptan

2 ppm

No

Discolor whole layer to pale pink

Ethylene

2000 ppm

No

Discolor whole layer to pale pink

Propylene

1000 ppm

No

Discolor whole layer to pale pink

Methanol

1000 ppm

No

Discolor whole layer to pale pink

Hydrogen sulfide

80 ppm

No

Discolor whole layer to pale pink

1-Butene
 1000 ppm No Discolor whole layer to pale pink
tert-Butyl Mercaptan
 10 mg/m3 No Discolor whole layer to pale pink


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
- - -

 
 Range 10-200


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Notice: This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures. A.P. BUCK Inc reserves the right to make changes to information, features, and specifications of any product without notice. A.P. BUCK Inc has made every effort to ensure the accuracy of information displayed on this Website, however, A.P. BUCK Inc. is not responsible for typographical errors appearing on this Website. Price and availability information is subject to change without notice.

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