Merck 100165.1000 - Boric Acid Gr 1kg

• Product Code: 100165.1000
• Purity: 99.5-100.5%
• pH:5.1 (1.8g/l, H₂O, 25°C)
• Formula: H₃BO₃
• Packaging: 1 kg plastic bottle
• Density: 1.49 g/cm3
• Molar Mass: 61.83 g/mol

Product Information

• CAS number 10043-35-3
• EC index number 005-007-00-2
• EC number 233-139-2
• Grade ACS,ISO,Reag. Ph Eur
• Hill Formula BH₃O₃
• Chemical formula H₃BO₃
• Molar Mass 61.83 g/mol
• HS Code 2810 00 90

Physicochemical Information

• Density 1.44 g/cm³ (20 °C)
• Melting Point 185 °C (decomposition)
• pH value 3.8 – 4.8 (33 g/l, H₂O, 20 °C)
• Vapor pressure < – 0.0000001 hPa (25 °C)
• Bulk density 400 – 600 kg/m3
• Solubility 46.5 g/l (20 °C)

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.

Specifications

• Assay (alkalimetric) 99.5 – 100.5 %
• Identity passes test
• Appearance of solution passes test
• pH-value (3.3 %, water) 3.8 – 4.8
• Chloride (Cl) ≤ 0.0003 %
• Phosphate (PO₄) ≤ 0.0005 %
• Sulphate (SO₄) ≤ 0.0005 %
• Solubility in ethanol passes test
• In methanol insoluble matter ≤ 0.005 %
• Heavy metals (as Pb) ≤ 0.0005 %
• Ca (Calcium) ≤ 0.002 %
• Fe (Iron) ≤ 0.0001 %
• Pb (Lead) ≤ 0.001 %
• Organic impurities passes test
• Nonvolatile with methanol ≤ 0.05 %
• Corresponds to ACS,ISO,Reag. Ph Eur