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Methyl Mercaptan


Specialty Gases and Equipment
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(514) 956-7503

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Description
NAME: METHYL MERCAPTAN
SYNONYM: METHANE THIOL
FORMULA: CH3SH

 
Gas Data
MOLECULAR WEIGHT: 48.110
DENSITY: 1.999 kg/m3 @ 20ºC, 101.325 kPa
DENSITY: 0.1247 lb/ft3 @ 68ºF, 14.696 psi
SPECIFIC VOLUME: 0.5002 m3/kg @ 20ºC, 101.325 kPa
SPECIFIC VOLUME: 8.0134 ft3/lb @ 68ºF, 14.696 psi
VP @21.1C (kPa): 204.77
VP @70F (PSIA): 29.7

Safety Information
LFL IN AIR: 3.9%
UFL IN AIR: 21.8%
PERMISSIBLE EXPOSURE LIMIT (TLV):
0.5 PPM


 
Shipping Information
CAS NUMBER: 74-93-1
I.D. NUMBER: UN 1064
DOT PROPER NAME: METHYL MERCAPTAN
TC PROPER NAME: METHYL MERCAPTAN
HAZARD CLASS: 2.3
LABEL: POISON GAS, FLAMMABLE

 
Cylinder Specifications
Cylinder Size Valve Outlet CGA No. Pressure psig @ 70F Pressure kPa @ 21.1C Approximate Ship Weights
lbs kgs
1F 330 15 103 232 106
1A 330 15 103 182 83
2 330 15 103 100 46
3 330 15 103 49 23
4 330 15 103 25 12
LB 180 15 103 6 3

 
Gas Grade Purity Specifications
Gas Grade Purity Specifications Product Code Cylinder Size Content Equipment Recommendations Model No.
lbs kgs
Methyl Mercaptan,
CP Grade
99.5%
1064091F
1064091A
10640902
10640903
10640904
106409LB
1F
1A
2
3
4
LB
150 lbs
50 lbs
25 lbs
10 lbs
3 lbs
0.5 lbs
68.00 kg
22.7 kg
11.35 kg
4.54 kg
1.36 kg
227 gm
Single-Stage Reg.
LB Regulator
Cyl. Valve Wrench
Detector Tube
Personal Monitor
Cross Purge
Series 3610-330
Series 3570-180
TW-2*
8014-130U
IQ250
4775-330
A certificate of conformance will be provided on request.
*Except LB

 

 

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This page was last updated December 05, 2003