Barium hydroxide octahydrate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Caustic baryta, Barium oxide hydrate octahydrate
- Ba(OH)2·8H2O
- M = 315,48 g/mol
- CAS [12230-71-6]
- EINECS-No.: 241-234-5
- Solub. in water: (15 ºC): 56 g/l
- Melting point: 78 ºC
- LD 50 (oral, rat): 550 mg/kg
- ADR: 8 C6 II UN 3262
- IMDG: 8 II UN 3262
- IATA/ICAO: 8 II UN 3262
- GHS-signal word: Danger
- GHS-H sentences: H302+H332 - H314
- GHS-P sentences: P261 - P264 - P270 - P301+P312 - P304+P340 - P501a
- Tariff number: 2816 40 00 00
- Applications: analytical chemistry, for the detection of: carbon dioxide; in pesticide compositions, in lubricant compositions, in the rubber industry.

SPECIFICATIONS
assay (acidimetric): min. 98,0 %
insoluble in HCl : max. 0,005 %
carbonates (as BaCO3): max. 2,0 %
chlorides (Cl): max. 0,001 %
sulfides (S): max. 0,0005 %
cadmium (Cd): max. 5 ppm
calcium (Ca): max. 0,002 %
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
lead (Pb): max. 5 ppm
magnesium (Mg): max. 0,002 %
potassium (K): max. 0,01 %
sodium (Na): max. 0,01 %
strontium (Sr) : max. 0,5 %
zinc (Zn): max. 5 ppm
non precipitable with H2SO4 (as SO4): max. 0,2 %