کربنات باریوم 250 گرمی 101714 مرک

Description
Catalogue Number	101714

Product Information
CAS number	513-77-9
EC index number	056-003-00-2
EC number	208-167-3
Grade	ACS,Reag. Ph Eur
Hill Formula	CBaO₃
Chemical formula	BaCO₃
Molar Mass	197.34 g/mol
HS Code	2836 60 00
Structure formula Image

Applications
Application	Barium carbonate for analysis EMSURE® ACS,Reag. Ph Eur. CAS No. 513-77-9, EC Number 208-167-3.

Physicochemical Information
Density	4.43 g/cm3 (20 °C)
Melting Point	>1450 °C (decomposition)
pH value	7 - 8 (0.016 g/l, H₂O, 16 °C)
Bulk density	350 kg/m3
Solubility	0.02 g/l

Toxicological Information
LD 50 oral	LD50 Rat 418 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed.
Precautionary Statement(s)	P262: Do not get in eyes, on skin, or on clothing.
RTECS	CQ8600000
Storage class	6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK	NWG not water endangering
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information
Hazard Symbols	Harmful
Categories of danger	harmful
R Phrase	R 22 Harmful if swallowed.
S Phrase	S 24/25 Avoid contact with skin and eyes.

Storage and Shipping Information
Storage	Store at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1564 , 6.1, III
Declaration (transport by air) IATA-DGR	UN 1564 , 6.1, III
Declaration (transport by sea) IMDG-Code	UN 1564 , 6.1, III

Specifications
Assay (complexometric, BaCO₃)	99.0 - 101.0 %
Substances insoluble in hydrochloric acid	≤ 0.015 %
Chloride (Cl)	≤ 0.002 %
Sulphide (S)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.001 %
Ca (Calcium)	≤ 0.02 %
Fe (Iron)	≤ 0.001 %
K (Potassium)	≤ 0.005 %
Na (Sodium)	≤ 0.02 %
Sr (Strontium)	≤ 0.3 %
Total of alkali (water soluble)	≤ 0.002 meq/g
Oxidizing Substances (as NO₃)	≤ 0.005 %