Merck 106308 di-Sodium tetraborate decahydrate 1 kg

Category

Diğer Analitik Kimyasallar

Brand

MERCK

Stock Code

LB.M.1063081000

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Teklif Sepetine Ekle

Merck 106308 di-Sodium tetraborate decahydrate 1 kg
Catalogue Number	106308
Synonyms	Borax, Sodium biborate decahydrate, Sodium borate decahydrate
Description	di-Sodium tetraborate decahydrate

Merck 106308 di-Sodium tetraborate decahydrate

Product Information
CAS number	1303-96-4
EC index number	005-011-01-1
EC number	215-540-4
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	B₄Na₂O₇*10H₂O
Chemical formula	Na₂B₄O₇ * 10 H₂O
Molar Mass	381.37 g/mol
HS Code	2840 19 90
Quality Level	MQ100

Applications
Application	di-Sodium tetraborate decahydrate for analysis ACS,ISO,Reag. Ph Eur. CAS 1303-96-4, chemical formula Na₂B₄O₇*10 H₂O.

Physicochemical Information
Density	1.730 g/cm3
Melting Point	75 °C Elimination of water of crystallisation
pH value	9.0 - 9.5 (38.1 g/l, H₂O, 25 °C)
Vapor pressure	0.213 hPa (20 °C)
Bulk density	750 kg/m3
Solubility	49.74 g/l

Toxicological Information
LD 50 oral	LD50 Rat 2660 mg/kg
LD 50 dermal	LD50 Rabbit > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation. H360FD: May damage fertility. May damage the unborn child.
Precautionary Statement(s)	P202: Do not handle until all safety precautions have been read and understood. P264: Wash skin thoroughly after handling. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing 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. P308 + P313: IF exposed or concerned: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Danger
RTECS	VZ2275000
Storage class	6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger	toxic for reproduction

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

Specifications
Assay (acidimetric)	99.5 - 103.0 %
Identity	passes test
Appearance of solution	passes test
Insoluble matter	≤ 0.005 %
pH-value (0.01 M Solution, 25 °C)	9.15 - 9.20
pH-value (4 %, water)	9.0 - 9.6
Chloride (Cl)	≤ 0.0007 %
Phosphate (PO₄)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.005 %
Heavy metals (as Pb)	≤ 0.001 %
As (Arsenic)	≤ 0.0005 %
Ca (Calcium)	≤ 0.005 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %
NH₄ (Ammonium)	≤ 0.001 %
Pb (Lead)	≤ 0.0005 %
Corresponds to ACS,ISO,Reag. Ph Eur

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Merck 106308 di-Sodium tetraborate decahydrate 1 kg

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