Sodium hydroxide

Replacement Information
Replacement Information	In North America 1.06469.9050 replaces and is identical to SX0590-20

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
1310-73-2	215-185-5	HNaO	NaOH	40 g/mol	ACS,Reag. Ph Eur,ISO

Pricing & Availability

Catalogue Number	Availability	Packaging	Qty/Pack	Price	Quantity
1064691000	— Contact Customer Service	Plastic bottle	1 kg	Upon Order Completion More Information	—	Add To Favorites
1064695000	— Contact Customer Service	Plastic bottle	5 kg	Upon Order Completion More Information	—	Add To Favorites
1064699012	— Contact Customer Service	Bucket, plastic	12 kg	Upon Order Completion More Information	—	Add To Favorites
1064699050	— Contact Customer Service	Fibre carton	50 kg	Upon Order Completion More Information	—	Add To Favorites

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 or mist. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. 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	8B Non-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 +2°C to +30°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)	99 – 100 %
Assay (total alkalinity calc. as NaOH)	99 – 100 %
Identity	passes test
Appearance of solution	passes test
Carbonate (as Na₂CO₃)	≤ 0.5 %
Chloride (Cl)	≤ 0.0005 %
Phosphate (PO₄)	≤ 0.0005 %
Silicate (SiO₂)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.0005 %
Total nitrogen (N)	≤ 0.0003 %
Heavy metals (as Ag)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.0005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0005 %
Hg (Mercury)	≤ 0.00001 %
K (Potassium)	≤ 0.020 %
Mg (Magnesium)	≤ 0.0005 %
Ni (Nickel)	≤ 0.0005 %
Pb (Lead)	≤ 0.0005 %
Zn (Zinc)	≤ 0.001 %

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