کلرید منیزیم 6 آبه 105833 مرک

Description
Catalogue Number	105833
Replaces	MX0045; MX0045-1; MX0045-2; MX0045-4; MX0045-20
Synonyms	Magnesium dichloride
Description	Magnesium chloride hexahydrate

Product Information
CAS number	7791-18-6
EC number	232-094-6
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	Cl₂Mg * 6 H₂O
Chemical formula	MgCl₂ * 6 H₂O
Molar Mass	203.30 g/mol
HS Code	2827 31 00

Applications
Application	Magnesium chloride hexahydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS 7791-18-6, EC Number 232-094-6, chemical formula MgCl₂ * 6 H₂O.

Physicochemical Information
Density	1.57 g/cm3 (20 °C)
Melting Point	117 °C (decomposition)
pH value	4.5 - 7.0 (50 g/l, H₂O, 20 °C)
Solubility	1670 g/l

Toxicological Information
LD 50 oral	LD50 Rat 8100 mg/kg

Safety Information according to GHS
RTECS	OM2975000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering

Storage and Shipping Information
Storage	Store at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Assay (complexometric)	99.0 - 101.0 %
Identity	conforms
Appearance of solution	passes test
Insoluble matter	≤ 0.005 %
pH-value (5 %; water)	5.0 - 6.5
Acidity or alkalinity	passes test
Bromide (Br)	≤ 0.05 %
Nitrate (NO₃)	≤ 0.001 %
Phosphate (PO₄)	≤ 0.0005 %
Sulphate (SO₄)	≤ 0.002 %
Total nitrogen (N)	≤ 0.0002 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.0002 %
As (Arsenic)	≤ 0.0002 %
Ba (Barium)	≤ 0.002 %
Ca (Calcium)	≤ 0.003 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.001 %
Mn (Manganese)	≤ 0.0005 %
Na (Sodium)	≤ 0.001 %
NH₄ (Ammonium)	≤ 0.002 %
Pb (Lead)	≤ 0.0005 %
Sr (Strontium)	≤ 0.005 %
Water	51.0 - 55.0 %
Corresponds to ACS, ISO, Reag. Ph Eur