Merck
CN
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1.02401

Supelco

Benzoic acid

volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Synonym(s):
Benzoic acid, Phenylformic acid, Benzene carboxylic acid
Empirical Formula (Hill Notation):
C7H6O2
CAS Number:
Molecular Weight:
122.12
EC Index Number:
200-618-2

Agency

ISO 17025
reag. Ph. Eur.
reag. USP

Quality Level

vapor pressure

0.001 hPa ( 20 °C)

form

solid

autoignition temp.

570 °C

potency

1700 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

technique(s)

titration: suitable

pH

2.5-3.5 (20 °C in H2O, saturated solution)

bp

249 °C/1013 hPa

mp

121-123 °C

transition temp

flash point 121 °C

solubility

2.9 g/L

density

1.321 g/cm3 at 20 °C

bulk density

500 kg/m3

storage temp.

15-25°C

InChI

1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)

InChI key

WPYMKLBDIGXBTP-UHFFFAOYSA-N

General description

Benzoic acid is a volumetric standard produced under rigorous conditions and qualified with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Application

It is used as a certified reference material (CRM) for titer determinations in alkalimetric titrations, following USP and Ph. Eur.

Packaging

60 g in Glass bottle
60 g in glass bottle
SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Features and Benefits

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Certified reference material according to ISO 17034
  • High-purity material traceable to NIST SRMs
  • Measured in a DIN EN ISO/IEC 17025 accredited laboratory
  • In accordance with the chapter reagents of USP and Ph. Eur
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Legal Information

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

Pictograms

CorrosionHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

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

WGK

WGK 1

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

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