Merck 100160 Boric Acid Cryst., Emprove® Essentıal pH Eur, Bp, Nf 1 kg

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MERCK

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LB.M.100160.1000

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MERCK 100160

MERCK 100160 Boric acid cryst., EMPROVE® ESSENTIAL Ph Eur, BP, NF 1 Kg

Description
Catalogue Number	100160
Synonyms	Orthoboric acid, Trihydroxidoboron

Product Information
CAS number	10043-35-3
EC index number	005-007-00-2
EC number	233-139-2
Grade	Ph Eur,BP,NF
Hill Formula	BH₃O₃
Chemical formula	H₃BO₃
Molar Mass	61.83 g/mol
HS Code	2810 00 90

Physicochemical Information
Density	1.489 g/cm3 (23 °C)
pH value	3.8 - 4.8 (33 g/l, H₂O, 20 °C)
Vapor pressure	<1 Pa (25 °C)
Bulk density	400 - 600 kg/m3
Solubility	49.2 g/l

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

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H360FD: May damage fertility. May damage the unborn child.
Precautionary Statement(s)	P201: Obtain special instructions before use. P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal Word	Danger
RTECS	ED4550000
Storage class	6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK	WGK 1 slightly water endangering
Disposal	28 Aqueous solutions: Container D.

Safety Information
Hazard Symbols	Toxic
Categories of danger	toxic for reproduction
R Phrase	R 60-61 May impair fertility.May cause harm to the unborn child.
S Phrase	S 53-45 Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

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

Specifications
Assay (alkalimetric, calculated on dried substance)	99.5 - 100.5 %
Assay (alkalimetric)	99.0 - 100.5 %
Identity	passes test
Appearance of solution	passes test
Completeness of solution	passes test
Solubility in ethanol	passes test
pH-value (3.3 %, water)	3.8 - 4.8
Sulphate (SO₄)	≤ 0.04 %
Heavy metals (as Pb)	≤ 0.0015 %
As (Arsenic)	≤ 0.001 %
Organic impurities	passes test
Residual solvents (ICH Q3C)	excluded by manufacturing process
Loss on drying (Silica gel)	≤ 0.5 %
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Corresponds to Ph Eur,BP,NF

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