Sulfur Dioxide Gas Specifications - SpecAir Specialty Gases UN1079 - SO2, Sulfur Dioxide Corrosive, Poisonous Gas

SULFUR DIOXIDE Specifications
Anhydrous - 99.98% (Liquid phase)
SULFUR DIOXIDE GAS INFORMATION
SYMBOL	SO2
MOLECULAR WEIGHT	64.06
SPECIFIC VOLUME	5.90 CF / lb
FLAMMABILITY LIMITS	Non-flammable
PURITY	Contact Customer Service
CGA VALVE	660
Material Safety Data Sheet	Sulfur Dioxide MSDS

SULFUR DIOXIDE SHIPPING INFORMATION
DOT PROPER SHIPPING NAME	Sulfur dioxide
IATA PROPER SHIPPING NAME
HAZARD CLASS	2.3 (8)
ID NUMBER	UN1079
LABELS	* P, * C
CAS NUMBER	7446-09-5
SCHEDULE B NUMBER	2811.23.0000
ZONE

* N = Non-Flammable Gas * F = Flammable Gas * P = Poison-Inhalation Hazard	* O = Oxidizer * C = Corrosive
This information is intended for reference purposes only.

Sulfur Dioxide Mixture Specifications

Sulfur Dioxide (SO2)
Concentration	Cylinder Size	CGA Connection	Recommended Equipment
In Air* 1 ppm - 9999 ppm Certified 1 ppm - 1.5 % Certified	150AL 80AL 33AL	660 660 660	Single Stage Regulator: SGS 500 Two-Stage Regulator: SGT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190

In Helium 1 ppm - 9999 ppm Certified 1 ppm - 1.5 % Certified	150AL 80AL 33AL	660 660 660	Single Stage Regulator: SGS 500 Two-Stage Regulator: SGT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190

In Nitrogen* 1 ppm - 9999 ppm Certified 1 ppm - 1.5 % Certified	150AL 80AL 33AL	660 660 660	Single Stage Regulator: SGS 500 Two-Stage Regulator: SGT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190
*Some Concentrations available as EPA Protocol Mixtures
Technical Data
Cylinder Pressure: Class: DOT Label: ID No.:		2000 PSIG 2.2 Nonflammable Gas UN1956

SULFUR DIOXIDE Specifications