CAS 10043-35-3 Boric Acid - Materials / Alfa Chemistry

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Boric Acid

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Catalog Number

ACM10043353

Product Name

Boric Acid

Structure

CAS

10043-35-3

Category

Electronic Materials

Description

Boric acid is an odorless white solid. Melting point 171°C. Sinks and mixes with water. (USCG, 1999);DryPowder; Liquid; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals;PelletsLargeCrystals;Colourless, odourless, transparent crystals or white granules or powder; slightly unctuous to the touch; occurs in nature as the mineral sassolite;Solid;ODOURLESS COLOURLESS CRYSTALS OR WHITE POWDER.;Odorless white solid.

IUPAC Name

boric acid

Molecular Weight

61.84g/mol

Molecular Formula

BH3O3

Canonical SMILES

B(O)(O)O

InChI

InChI=1S/BH3O3/c2-1(3)4/h2-4H

InChI Key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

Boiling Point

572 °F at 760 mm Hg (decomposes) (NTP, 1992);572°F

Melting Point

169°C

Density

1.437 g/cm³

Solubility

water, 2.117e+005 mg/L @ 25 °C (est)

Appearance

Colourless or white odourless crystalline solid

Color/Form

Colorless, transparent crystals or white granules or powder;Colorless triclinic crystals;White waxy triclinic solid plates

Complexity

Covalently-Bonded Unit Count

EC Number

233-139-2;233-139-2;234-343-4

Exact Mass

62.017524g/mol

Formal Charge

Heavy Atom Count

ICSC Number

0991

Log P

log Kow = 0.175;0.18;-1.09

MDL Number

MFCD00011337

MeSH Entry Terms

boric acid;boron oxide hydroxide;orthoboric acid

Monoisotopic Mass

62.017524g/mol

NSC Number

81726

Odor

Odorless

Other Experimental

Slightly unctuous to touch; volatile with steam; solubility in water increased by hydrochloric, citric or tartaric acids;Loses 1.5H₂O at 300 °C;Standard enthalpy of formation: -1094.3 kJ/mol (crystal); -994.1 kJ/mol (gas);pH at 20 °C: 6.1 (0.1% solution); 5.1 (1.0% solution); 3.7 (4.5% solution);Boric acid will form soluble salts with monovalent cations (e.g. Na2B407.1OH20, 6% in water) and insoluble salts with divalent cations (e.g. CaB407.6H20, almost insoluble in cold water).;Henry's Law constant = 2.6X10-12 atm-cum/mole at 25 °C, based on measured water solubility and vapor pressure;Hydroxyl radical reaction rate constant = 4.2X10-13 cu cm/molecule-sec at 25 °C (est)

Packaging

1 kg

Refractive Index

1.385

Rotatable Bond Count

RTECS Number

ED4550000

Stability

Stable at room temperature in closed containers under normal storage and handling conditions.

Storage Conditions

Store at RT.

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