Name: Boric acid
Brand: SIGALD

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About This Item

Linear Formula:

H₃BO₃

CAS Number:

10043-35-3

Molecular Weight:

61.83

EC Number:

233-139-2

MDL number:

MFCD00011337

UNSPSC 코드:

12352106

eCl@ss:

38120104

PubChem Substance ID:

329773111

NACRES:

NA.21

기술 서비스

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도움 문의

Grade

ACS reagent

Quality Level

200

Agency

suitable for SM 4500 - NH3
suitable for SM 5210

vapor pressure

2.6 mmHg ( 20 °C)

분석

≥99.5%

양식

powder

기술

PCR: suitable

불순물

≤0.005% Insoluble in methanol
≤0.05% Nonvolatile with methanol

mp

160 °C (dec.) (lit.)

solubility

water: soluble

density

1.440 g/cm³

음이온 미량물

chloride (Cl^-): ≤0.001%
phosphate (PO₄^3-): ≤0.001%
sulfate (SO₄^2-): ≤0.01%

양이온 미량물

Ca: ≤0.005%
Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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일반 설명

Boric acid is a weak monobasic Lewis acid(electron pair acceptor), which finds application in the areas of glass making, fire retardant, lubrication agent, buffer, and neutron absorber.

애플리케이션

Boric acid can be used as a catalyst to synthesize:

N-substituted cinnamamides via amidation reaction between cinnamic acid and benzylamines.
β-Aminoalcohols through the regioselective epoxides ring opening with aromatic amines in the presence of glycerol as a co-catalyst.
Organosulfur compounds via thia-Michael addition of thiols to α, β-unsaturated compounds.

It can also be used as an activator for the solvent-free reduction of aldehydes and ketones to alcohols in the presence of sodium borohydride.