Merck
All Photos(3)

1.00162

SAFC

Boric acid

powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, NF

Synonym(s):
Orthoboric acid, Trihydroxidoboron
Linear Formula:
H3BO3
CAS Number:
Molecular Weight:
61.83
MDL number:
EC Index Number:
233-139-2

Quality Level

Agency

BP
NF
Ph. Eur.

vapor pressure

2.6 mmHg ( 20 °C)

product line

EMPROVE® ESSENTIAL

assay

99.5-100.5% dry basis (alkalimetric)

form

powder
solid

pH

3.8-4.8 (20 °C, 33 g/L in H2O)

mp

160 °C (dec.) (lit.)

solubility

49.2 g/L

density

1.489 g/cm3 at 23 °C

anion traces

sulfate (SO42-): ≤0.04%

cation traces

As: ≤0.0001%
heavy metals (as Pb): ≤0.0015%

application(s)

liquid formulation
ophthalmics
parenterals
pharmaceutical
semi-solid formulation

storage temp.

2-30°C

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

Finding the right excipient that matches your needs as well as regulatory demands can be a complicated challenge in formulation. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.
As part of our Emprove® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

Boric acid has antimicrobial characteristics and is therefore typically used as preservative in pharmaceutical formulations and cosmetics. It is also used as buffering agent and pH adjuster.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

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

Certificate of Analysis

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Certificate of Quality

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