Barium Chloride: BaCl₂ • 2H₂O; mol. wt. 244.31. Anhydr. salt 85.25%, H₂O 14.75%, Ba 56.22%, Cl 29.03%.

Crystals or granules or powder; bitter, salty taste; loses all H₂O at 120°.

Poisonous!

d. 3.10. m. 925° when anhydr.; pH: 6-7. One gram dissolves in 2.8 ml. water, 1.5 ml. boil. water, 8 ml. glycerol, 60 ml. methanol; insoluble in alcohol; solubility in water decreased b. NaCl, HCl or HNO₃; practically insoluble in concentr. HCl or HNO₃.

Use: Manuf. pigments, color lakes; mordant for acid dyes; weighting and dyeing textile fabrics; rat and vermin poisons; boiler compounds for softening water; tanning and finishing leather.

Grades available: Reagent, U.S.P., technical.

Med. Use: In complete heart block when other measures are ineffective.

Toxicity: Extremely toxic, max. dose must never be exceeded. Fatal dose 0.8 to 0.9 g. Symptoms are vomiting, cramps, purging, prostration, paralysis, ± convulsions and hallucinations.

Dose: 30 mg. Max. 50 mg.

Vet. Use: i.v. or orally as violent, rapid cathartic in horses.

Caution: s.c. injections cause abscesses. May cause intestinal rupture, fatal cardiac depression.