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1.02401

Benzoic acid

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

Synonyme(s) :

Benzoic acid, Phenylformic acid, Benzene carboxylic acid

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A propos de cet article

Formule empirique (notation de Hill) :
C7H6O2
Numéro CAS:
65-85-0
Poids moléculaire :
122.12
MDL number:
MFCD00002398
UNSPSC Code:
41116107
EC Index Number:
200-618-2
NACRES:
NA.24
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Quality Level

300

agency

ISO 17025, reag. Ph. Eur., reag. USP

vapor pressure

0.001 hPa ( 20 °C)

product line

Certipur®

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

SMILES string

[O-]C(=O)c1ccccc1.[H+]

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.
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In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

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

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

Packaging

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

Legal Information

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

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pictograms

CorrosionHealth hazard
GHS05,GHS08

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Danger

Hazard Classifications

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

target_organs

Lungs

Classe de stockage

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

wgk

WGK 1

Certificats d'analyse (COA)

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