Merck
All Photos(3)

B6768

Sigma-Aldrich

Boric acid

BioReagent, for molecular biology, suitable for cell culture, suitable for plant cell culture, ≥99.5%

Linear Formula:
H3BO3
CAS Number:
Molecular Weight:
61.83
EC Number:
MDL number:
eCl@ss:
38120104
PubChem Substance ID:
NACRES:
NA.25

Quality Level

grade

for molecular biology

vapor pressure

2.6 mmHg ( 20 °C)

product line

BioReagent

assay

≥99.5%

form

powder

technique(s)

cell culture | mammalian: suitable
cell culture | plant: suitable

pH

5.1 (25 °C, 1.8 g/L)

mp

160 °C (dec.) (lit.)

solubility

water: 40 mg/mL, clear, colorless

density

1.49 g/cm3 at 23 °C

cation traces

Fe: ≤5 ppm
Mg: ≤5 ppm
heavy metals (as Pb): ≤10 ppm

UV absorption

λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05

foreign activity

DNase, RNase, and protease, none detected

storage temp.

room temp

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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Application

Used to promote amidations of carboxylic acids and amines in catalytic amounts. This technology avoids the requirement of preactivation of the carboxylic acid or use of coupling reagents.
Intensified Azeotropic Distillation: A Strategy for Optimizing Direct Amidation

Packaging

5, 10 kg in poly drum
500 g in poly bottle
1 kg in poly bottle

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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