MERCK 106482.5000 Sodium Hydroxide Pellets Emprove CAS No.1310-73-2 (SD.M.106482.5000)

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MERCK 106482.5000 Sodium Hydroxide Pellets Emprove

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
1310-73-2	215-185-5	HNaO	NaOH	40 g/mol	Ph Eur,BP,FCC,ChP,JP,NF,E 524

Description
Catalogue Number	106482
Synonyms	Soda caustic

Physicochemical Information
Density	2.13 g/cm3 (20 °C)
Melting Point	318 °C
pH value	>14 (100 g/l, H₂O, 20 °C)
Vapor pressure	<24 hPa (20 °C)
Solubility	1090 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P234: Keep only in original packaging. P260: Do not breathe dust. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. 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
RTECS	WB4900000
Storage class	8A Combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	13 Bases 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).

Safety Information
Categories of danger	corrosive

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1823 , 8, II
Declaration (transport by air) IATA-DGR	UN 1823 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1823 , 8, II, Segregation Group: 18 (Alkalis)

Specifications
Assay (acidimetric,NaOH)	≥ 98.0 %
Assay (total alkalinity calc. as NaOH)	98.0 - 100.5 %
Assay (Na)	54.0 - 59.8 %
Identity	passes test
Appearance of solution	passes test
Insoluble substances and organic matter	passes test
Carbonate (as Na₂CO₃)	≤ 0.5 %
Chloride (Cl)	≤ 0.015 %
Phosphate (PO₄)	≤ 0.002 %
Silicate (SiO₂)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.010 %
Total nitrogen (N)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.001 %
As (Arsenic)	≤ 0.0003 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0010 %
Hg (Mercury)	≤ 0.00001 %
K (Potassium)	≤ 0.1
Pb (Lead)	≤ 0.00005 %
Zn (Zinc)	≤ 0.0025 %
Residual solvents (ICH Q3C)	excluded by manufacturing process
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Conforms to Ph Eur, BP, FCC, ChP, JP, NF, E524 Conforms to the purity criteria on food additives according to the current European Commission Regulation.

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