Chromic acid

CrH2O4CAS 7738-94-5118.01 g/mol

Cr2+HO−HO−OO

Properties

Molecular formula
CrH2O4
Molar mass
118.01 g/mol
Exact mass
117.9358 Da
Density
1.67–2.82 g/mL
Melting point
196 °C
pKa
-0.8
Water solubility
1,690 g/L (25 °C)
logP
-0.59Crippen estimate
Polar surface area
117.0 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
0

Hazards

Danger
Oxidizer (GHS03)Corrosive (GHS05)Acute Toxic (GHS06)Irritant (GHS07)Health Hazard (GHS08)Environmental Hazard (GHS09)

Aggregated from 101 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P220, P233, P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P283, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P306+P360, P316, P317, P318, P319, P320, P321, P330, P333+P317, P342+P316, P361+P364, P362+P364, P363, P370+P378, P371+P380+P375, P391, P403, P403+P233, P405, P420, P501

Identifiers

CAS number
7738-94-5
SMILES
[Cr+2].[OH-].[OH-].[O].[O]
InChIKey
KRVSOGSZCMJSLX-UHFFFAOYSA-L
InChI
InChI=1S/Cr.2H2O.2O/h;2*1H2;;/q+2;;;;/p-2

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

4 names
  • Chromic acid (H2CrO4)
  • Chromic(VI) acid
  • Chromium hydroxide oxide (Cr(OH)2O2)
  • Chromium oxide hydroxide (CrO2(OH)2)

Work with Chromic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere