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B0252

Sigma-Aldrich

Boric acid

ReagentPlus®, ≥99.5%

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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 Code:
12352106
eCl@ss:
38120104
PubChem Substance ID:
329773105

Agency

suitable for SM 4500 - NH3
suitable for SM 5210

Quality Level

200

vapor pressure

2.6 mmHg ( 20 °C)

product line

ReagentPlus®

Assay

≥99.5%

form

powder

mp

160 °C (dec.) (lit.)

solubility

water: 40 mg/mL, clear, colorless

density

1.440 g/cm3

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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General description

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, neutron absorber, and adjuvant/excipient in pharmaceutical formulations.

Application

Boric acid can be used as:
  • A catalyst to synthesize poly(δ-valerolactone) via bulk-ring opening polymerization.
  • A ligand to synthesize metal-organic frameworks.
  • A reagent in the preparation of borate buffer.
  • A crosslinker to electrospun dextran nanofibers.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360FD

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Boric acid United States Pharmacopeia (USP) Reference Standard

USP

1076341

Boric acid

Boric acid powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00162

Boric acid

Boric acid BioUltra, for molecular biology, ≥99.5% (T)

Sigma-Aldrich

15663

Boric acid

Boric acid crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00160

Boric acid

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