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1.00160

Boric acid

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

Synonym(s):

Orthoboric acid, Trihydroxidoboron

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About This Item

Linear Formula:
H3BO3
CAS Number:
10043-35-3
Molecular Weight:
61.83
UNSPSC Code:
12352301
EC Index Number:
233-139-2
MDL number:
MFCD00011337
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agency

ChP, JP, NF, Ph. Eur., BP

Quality Level

500

vapor pressure

2.6 mmHg ( 20 °C)

product line

EMPROVE® ESSENTIAL

assay

99.5-100.5% dry basis (alkalimetric)

form

crystalline, solid

technique(s)

API processing | cocrystal formation: suitable, API processing | salt formation: suitable

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
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

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.

Preparation Note

Must be subjected to further processing during the preparation of injectable dosage forms.

Legal Information

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

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pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

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Articles

Criteria for Selecting Preservatives Used in Liquid Formulation

Find key considerations for the selection and use of preservatives in a range of different therapeutic applications including topical, oral, transmucosal, inhalation, and otic, as well as injectables.

Global Trade Item Number

SKUGTIN
100160000104027269279448
100160100004022536002446
100160500004022536002460
100160902504022536581286
100160905004022536002477