کلسیم نیترات تترا هیدرات 102121 مرک

Description
Catalogue Number	102121
Replaces	CX0255; CX0255-1; CX0255-20
Description	Calcium nitrate tetrahydrate

Product Information
CAS number	13477-34-4
EC number	233-332-1
Grade	ACS
Hill Formula	CaN₂O₆ * 4 H₂O
Chemical formula	Ca(NO₃)₂ * 4 H₂O
Molar Mass	236.15 g/mol
HS Code	2834 29 80

Applications
Application	Calcium nitrate tetrahydrate for analysis EMSURE® ACS. CAS 13477-34-4, chemical formula Ca(NO₃)₂ * 4 H₂O.

Physicochemical Information
Density	1.82 g/cm3 (20 °C)
Melting Point	45 °C
pH value	5.0 - 7.0 (50 g/l, H₂O, 25 °C)
Bulk density	1000 kg/m3
Solubility	2710 g/l

Toxicological Information
LD 50 oral	LD50 Rat 3900 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed. H318: Causes serious eye damage.
Precautionary Statement(s)	P280: Wear eye protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention.
RTECS	EW3000000
Storage class	5.1B Oxidizing hazardous materials
WGK	WGK 1 slightly water endangering
Disposal	22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.

Safety Information
Hazard Symbols	Irritant Harmful
Categories of danger	oxidizing, irritant
R Phrase	R 22-41 Harmful if swallowed.Risk of serious damage to eyes.
S Phrase	S 13-26-36/39-46 Keep away from food, drink and animal feedingstuffs.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1454 , 5.1, III
Declaration (transport by air) IATA-DGR	UN 1454 , 5.1, III
Declaration (transport by sea) IMDG-Code	UN 1454 , 5.1, III

Specifications
Assay (complexometric)	99.0 - 102.0 %
Insoluble matter	≤ 0.005 %
pH-value (5 %; water; 25 °C)	5.0 - 7.0
Chloride (Cl)	≤ 0.005 %
Nitrite (NO₂)	≤ 0.001 %
Sulphate (SO₄)	≤ 0.002 %
Heavy metals (as Pb)	≤ 0.0005 %
Ba (Barium)	≤ 0.005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.005 %
Mg (Magnesium)	≤ 0.01 %
Na (Sodium)	≤ 0.01 %
Sr (Strontium)	≤ 0.01 %
Corresponds to ACS