Gas Data
MOLECULAR WEIGHT:	64.065
DENSITY:	2.668 kg/m3 @ 25ºC, 101.325 kPa
DENSITY:	0.1665 lb/ft3 @ 77ºF, 14.696 psi
SPECIFIC VOLUME:	0.3748 m3/kg @ 25ºC, 101.325 kPa
SPECIFIC VOLUME:	6.0040 ft3/lb @ 77ºF, 14.696 psi
VP @21.1C (kPa):	338.53
VP @70F (PSIA):	49.1

Safety Information
PERMISSIBLE EXPOSURE LIMIT (TLV):	2 PPM

 

Shipping Information
CAS NUMBER:	7446-09-5
I.D. NUMBER:	UN 1079
DOT PROPER NAME:	SULFUR DIOXIDE
TC PROPER NAME:	SULFUR DIOXIDE
HAZARD CLASS:	2.3
LABEL:	POISON GAS, CORROSIVE

 

Cylinder Specifications
Cylinder Size	Valve Outlet CGA No.	Pressure psig @ 70F	Pressure kPa @ 21.1C	Approximate Ship Weights
				lbs	kgs
1J	660	34	234	210	96
1A	660	34	234	232	106
2	660	34	234	114	52
3	660	34	234	54	25
4	660	34	234	27	13
LB	180	34	234	6	3

 

Gas Grade Purity Specifications
Gas Grade Purity Specifications	Product Code	Cylinder Size	Content		Equipment Recommendations	Model No.
			lbs	kg
Sulfur Dioxide, Anhydrous 99.98%	1079211J 1079211A 10792102 10792103 10792104 107921LB	1J 1A 2 3 4 LB	150 lbs 100 lbs 40 lbs 15 lbs 5 lbs 1 lbs	68.04 kg 45.36 kg 18.14 kg 6.80 kg 2.27 kg 454 gm	Single-Stage Reg. LB Regulator Cyl. Valve Wrench Detector Tube Leak Detector Tee Purge Personal Monitor	Series 3140-660 Series 3330-180 TW-2* 8014-103SE 8066 4755-660 IQ250
	A certificate of conformance will be provided on request. All except LB can be finished with full length eductor tube for liquid withdrawal on request. *Except LB

Gas Grade Purity Specifications
Gas Grade Purity Specifications	Product Code	Cylinder Size	Content		Equipment Recommendations	Model No.
			lbs	kg
Sulfur Dioxide, Anhydrous w/ Eductor Tube 99.98%	1079211JT	1J	150 lbs	68.04 kg
	A certificate of conformance will be provided on request. Note: Recommended regulators are for gas phase withdrawal only.