oxalic acid

[ Density]:
0.99 g/mL at 25ºC

[ Boiling Point ]:
302.894ºC at 760 mmHg

[ Melting Point ]:
189.5ºC (dec.)(lit.)

[ Molecular Formula ]:
C₂H₂O₄

[ Molecular Weight ]:
90.03490

[ Flash Point ]:
151.212ºC

[ Exact Mass ]:
89.99530

[ PSA ]:
74.60000

[ Vapour density ]:
4.4 (vs air)

[ Vapour Pressure ]:
<0.01 mm Hg ( 20 °C)

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
21/22

[ Safety Phrases ]:
24/25

[ RIDADR ]:
UN 3261 8/PG 3

[ WGK Germany ]:
1

[ RTECS ]:
RO2450000

[ Packaging Group ]:
III

[ HS Code ]:
2917111000

[ HS Code ]: 2917111000