Key Documents

View All Documentation

1.00156

Boric acid

Name: Boric acid
Brand: MM

crystalline, EMPROVE^® ESSENTIAL, Ph. Eur., BP, JP, NF

Synonym(s):

Orthoboric acid, Trihydroxidoboron

Select a Size

Change View

About This Item

Linear Formula:

H₃BO₃

CAS Number:

10043-35-3

Molecular Weight:

61.83

UNSPSC Code:

12352106

EC Index Number:

233-139-2

MDL number:

MFCD00011337

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

Quality Level

500

agency

BP, JP, NF, Ph. Eur.

vapor pressure

2.6 mmHg ( 20 °C)

product line

EMPROVE^® ESSENTIAL

assay

99.5-100.5% dry basis (alkalimetric)

form

crystalline, 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 (SO₄^2-): ≤0.04%

cation traces

As: ≤0.0005%, heavy metals (as Pb): ≤0.0010%

application(s)

liquid formulation
ophthalmics
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

Description

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

Still not finding the right product?

Explore all of our products under Boric acid

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

pictograms

GHS08

signalword

Danger

hcodes

H360FD

pcodes

P201 - P202 - P280 - P308 + P313 - P405 - P501

Hazard Classifications

Repr. 1B

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c