Synonyms: Sulfurous acid; Sulfurous anhydride
CAS Number: 7782-99-2
Formula: H2O3S
Formula Weight: 82.08
Linear Formula: H2SO3
MDL No.: MFCD00011335
Density: 1.03 g/mL at 25 C(lit.)
EC Number: 231-973-1
UNSPSC Code: 12352300
RIDADR: UN 1833 8 / PGII
WGK Germany: 1
R Codes: 20-34
S Codes: 26-36/37/39-45
IOD Codes: C
Symbol: GHS05
Signal Word: Danger
Hazard Statements: H314
Precautionary statements: P280-P301 + P330 + P331-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338 + P310-P501