Barıum Hydroxıde Extra Pure

ürün Kodu : 101735.1000

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Ürün Grubu : Merck Kimyasalları

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Description
Catalogue Number 101735
Synonyms Caustic baryta, Barium oxide hydrate octahydrate
Product Information
CAS number 12230-71-6
EC index number 056-002-00-7
EC number 241-234-5
Hill Formula BaH₂O₂ * 8 H₂O
Chemical formula Ba(OH)₂ * 8 H₂O
Molar Mass 315.48 g/mol
HS Code 2816 40 00
Quality Level MQ200
Physicochemical Information
Density 2.180 g/cm3
Melting Point 78 °C
pH value 12.5 (50 g/l, H₂O, 20 °C) (saturated aqueous solution)
Bulk density 900 - 1100 kg/m3
Solubility 72 g/l
Toxicological Information
LD 50 oral LD50 Rat 550 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H302 + H332: Harmful if swallowed or if inhaled.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P260: Do not breathe dust or mist.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Storage class 6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK WGK 1 slightly hazardous to water
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
Categories of danger harmful, corrosive
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 2923 , 8 (6.1), II
Declaration (transport by air) IATA-DGR UN 2923 , 8 (6.1), II
Declaration (transport by sea) IMDG-Code UN 2923 , 8 (6.1), II, Segregation Group: 18 (Alkalis)
Specifications
Assay (acidimetric) ≥ 98.0 %
Substances insoluble in dilute hydrochloric acid ≤ 0.01 %
Carbonate (as BaCO₃) ≤ 2.0 %
Chloride (Cl) ≤ 0.002 %
Sulphide (S) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.002 %
Ca (Calcium) ≤ 0.005 %
Fe (Iron) ≤ 0.001 %
Sr (Strontium) ≤ 1.0 %
Substances not precipitated by dilute sulfuric acid (as sulfate) ≤ 0.2 %

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