Boric Acid Cryst Emprove Ph Eur,Bp,N 5 KG.

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Description
Catalogue Number	100160
Synonyms	Orthoboric acid, Trihydroxidoboron

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Product Information
CAS number	10043-35-3
EC index number	005-007-00-2
EC number	233-139-2
Grade	Ph Eur,BP,JP,NF
Hill Formula	BH₃O₃
Chemical formula	H₃BO₃
Molar Mass	61.83 g/mol
HS Code	2810 00 90
Quality Level	MQ500

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Physicochemical Information
Density	1.48 g/cm3 (23 °C)
Melting Point	>1000 °C (decomposition)
pH value	5.1 (1.8 g/l, H₂O, 25 °C)
Vapor pressure	<0.1 hPa (25 °C)
Bulk density	400 - 600 kg/m3
Solubility	49.2 g/l

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

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Safety Information according to GHS
Hazard Pictogram(s)	\n
Hazard Statement(s)	H360FD: May damage fertility. May damage 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.\nP308 + P313: IF exposed or concerned: Get medical advice/ attention.\nP405: Store locked up.\nP501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Danger
RTECS	ED4550000
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	28\nAqueous solutions: Container D.

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Safety Information
Categories of danger	toxic for reproduction

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

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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
Sulfate (SO₄)	≤ 0.04 %
Heavy metals (as Pb)	≤ 0.0010 %
As (Arsenic) (*)	≤ 0.0003
Organic impurities	passes test
Residual solvents (ICH Q3C)	excluded by manufacturing process
Loss on drying (Silica gel)	≤ 0.5 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur,BP,JP,NF