Copper selenate

  • Selenic acid, copper(2+) salt (1:1)
  • Cupric selenate
  • Copper(II) selenate
Formula
CuSeO4
Structure
Description
Blue crystals or powder.
Uses
Substance is used in coloring Cu or Cu alloys black.

Registry Numbers and Inventories.
CAS
15123-69-0
EC (EINECS/ELINCS)
239-181-8
Merck
12,2718
Canada DSL/NDSL
NDSL
US TSCA
Listed
Korea ECL
Listed

Properties.
Formula
CuO4Se
Formula mass
206.5
Density
2.6 g/cm3
Solubility in water
Soluble

Hazards and Protection.
Protection
Wear goggles and rubber gloves while handling.
Small spills/leaks
Sweep solids with sweeping compound and discard to hazardous waste.
Stability
Stable at normal temperatures and pressures.

Fire.
Fire fighting
Fight surrounding fire. May emit toxic fumes in general fire conditions. Firefighters wear SCBA.
Fire potential
Not flammable.

Health.
Exposure limit(s)
OSHA PEL: 0.2 mg/m3 (as Se), OSHA PEL: 1 mgm3 (as Cu)
Exposure effects
May be irritating to skin, eyes and mucous membranes. Considered toxic by inhalation. Symptoms of exposure: garlic odor on breath. Not classifiable as a carcinogen but similar selenates are considered carcinogenic

First aid
 
   Ingestion
If swallowed, give water or milk and induce vomiting.
   Skin
Wash thoroughly with water after contact.
   Eyes
Irrigate thoroughly with water after contact. If eye irritation persists, see a physician.

Transport.
Hazard class
6.1
Packing Group
I