Merck 110783 1000 Spectromelt A 10 1 KG.

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Description
Catalogue Number	110783
Replaces	10783; 10783-3
Description	Spectromelt® A 10

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Product Information
CAS number	12007-60-2
EC number	234-514-3
Hill Formula	Li₂B₄O₇
Chemical formula	Li₂B₄O₇
Molar Mass	169.12 g/mol
HS Code	2840 20 00
Quality Level	MQ100

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Applications
Application	Spectromelt® A 10 (di-lithium tetraborate). CAS 12007-60-2, EC Number 234-514-3, chemical formula Li₂B₄O₇.

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Physicochemical Information
Density	2.34 g/cm3 (20 °C)
Melting Point	917 °C
pH value	9.1 (100.0 g/l, H₂O, 20.0 °C) (slurry)
Bulk density	330 kg/m3
Solubility	141.2 g/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n\n
Hazard Statement(s)	H302: Harmful if swallowed.\nH318: Causes serious eye damage.\nH361fd: Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary Statement(s)	P201: Obtain special instructions before use.\nP202: Do not handle until all safety precautions have been read and understood.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\nP308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal Word	Danger
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 obviously hazardous to water
Disposal	14\nInorganic 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).

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Specifications
Assay (acidimetric)	≥ 99.0 %
Chloride (Cl)	≤ 50 ppm
Phosphate (PO₄)	≤ 20 ppm
Silicate (SiO₂)	≤ 100 ppm
Sulfate (SO₄)	≤ 50 ppm
Ag (Silver)	≤ 5 ppm
Al (Aluminium)	≤ 10 ppm
Ba (Barium)	≤ 5 ppm
Ca (Calcium)	≤ 20 ppm
Cd (Cadmium)	≤ 5 ppm
Co (Cobalt)	≤ 5 ppm
Cr (Chromium)	≤ 5 ppm
Cu (Copper)	≤ 5 ppm
Fe (Iron)	≤ 10 ppm
Ga (Gallium)	≤ 5 ppm
K (Potassium)	≤ 10 ppm
Mg (Magnesium)	≤ 5 ppm
Mn (Manganese)	≤ 5 ppm
Na (Sodium)	≤ 20 ppm
Ni (Nickel)	≤ 5 ppm
Pb (Lead)	≤ 5 ppm
Sr (Strontium)	≤ 5 ppm
Zn (Zinc)	≤ 5 ppm
Loss on ignition (1000 °C)	≤ 1.0 %
Bulk density	about 50