Merck 105590 9025 Sodium Hydroxide Solution Min % 32 Emsure 25 LT.

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Description
Catalogue Number	105590

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Product Information
CAS number	1310-73-2
HS Code	2815 12 00
Quality Level	MQ300

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Physicochemical Information
Density	1.35 g/cm3 (20 °C)
Melting Point	9 °C
pH value	14 (H₂O, 20 °C)
Vapor pressure	8 hPa (20 °C)

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Safety Information according to GHS
Hazard Pictogram(s)	\n
Hazard Statement(s)	H290: May be corrosive to metals.\nH314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P234: Keep only in original packaging.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.\nP304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\nP363: Wash contaminated clothing before reuse.
Signal Word	Danger
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	13\nBases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).

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Safety Information
Categories of danger	corrosive

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Storage and Shipping Information
Storage	Store at +15°C to +25°C.

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Transport Information
Declaration (railroad and road) ADR, RID	UN 1824 , 8, II
Declaration (transport by air) IATA-DGR	UN 1824 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1824 , 8, II, Segregation Group: 18 (Alkalis)

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Specifications
Assay (acidimetric,NaOH)	≥ 32.0 %
Carbonate (as Na₂CO₃)	≤ 0.2 %
Chloride (Cl)	≤ 0.004 %
Phosphate (PO₄)	≤ 0.0005 %
Silicate (SiO₂)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.003 %
Total nitrogen (N)	≤ 0.0001 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %