Barium chromate

Barium chromate
Names
IUPAC name
Barium chromate
Other names
Barium chromate oxide,
Chromic acid, (BaCrO4), barium salt (1:1), barium tetraoxochromate(VI)
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.587 Edit this at Wikidata
EC Number
  • 233-660-5
RTECS number
  • CQ876000
UNII
UN number 1564
  • InChI=1S/Ba.Cr.4O/q+2;;;;2*-1 checkY
    Key: QFFVPLLCYGOFPU-UHFFFAOYSA-N checkY
  • InChI=1/Ba.Cr.4O/q+2;;;;2*-1/rBa.CrO4/c;2-1(3,4)5/q+2;-2
    Key: QFFVPLLCYGOFPU-XPTLYTIWAW
  • [Ba+2].[O-][Cr]([O-])(=O)=O
Properties
BaCrO4
Molar mass 253.37 g/mol
Appearance yellow powder, darkens upon heating
Density 4.498 g/cm3
Melting point 210 °C (410 °F; 483 K) (decomposes)
0.2775 mg/100 mL (20 °C)
1.17 × 10−10[1]
Solubility soluble in strong acids
Structure
orthorhombic
Hazards
GHS labelling:
GHS03: OxidizingGHS06: ToxicGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Danger
H272, H301, H302, H317, H332, H350, H410
P201, P202, P210, P220, P221, P261, P264, P270, P271, P272, P273, P280, P281, P301+P310, P301+P312, P302+P352, P304+P312, P304+P340, P308+P313, P312, P321, P330, P333+P313, P363, P370+P378, P391, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxideSpecial hazards (white): no code
3
0
3
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Barium chromate, is a yellow sand like powder with the formula BaCrO4. It is a known oxidizing agent and produces a green flame when heated, a result of the barium ions.

  1. ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99th ed.). CRC Press. pp. 4–47. ISBN 978-1138561632.