11607

Boric acid

puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

• Linear Formula: H₃BO₃
• CAS Number: 10043-35-3
• Molecular Weight: 61.83
• EC Number: 233-139-2
• MDL number: MFCD00011337
• UNSPSC Code: 12352106
• PubChem Substance ID: 329749495
• NACRES: NA.21

Properties

• vapor pressure: 2.6 mmHg ( 20 °C)
• Quality Level: 200
• grade: puriss.
• Assay: 99.5-100.5%
• form: powder
• quality: meets analytical specification of Ph. Eur., BP, NF
• impurities: organic substances, complies; residual solvents, complies; ≤0.001% heavy metals (as Pb)
• loss: ≤0.5% loss on drying, 5 h (on silica gel)
• pH: 3.8-4.8 (20 °C, 3.3%)
• mp: 160 °C (dec.) (lit.)
• solubility: ethanol: in accordance
• density: 1.440 g/cm³
• anion traces: sulfate (SO₄^2-): ≤400 mg/kg
• cation traces: As: ≤5 mg/kg; Fe: ≤5 mg/kg
• suitability: complies for appearance of solution
• SMILES string: OB(O)O
• InChI: 1S/BH3O3/c2-1(3)4/h2-4H
• InChI key: KGBXLFKZBHKPEV-UHFFFAOYSA-N

Description

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H360FD
• Precautionary Statements: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 1B
• Storage Class Code: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable