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NIST39J

Benzoic acid

NIST® SRM® 39j, calorimetric standard

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About This Item

Linear Formula:
C6H5COOH
CAS Number:
Molecular Weight:
122.12
Beilstein/REAXYS Number:
636131
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

certified reference material

Quality Level

vapor density

4.21 (vs air)

vapor pressure

10 mmHg ( 132 °C)

autoignition temp.

1061 °F

packaging

pkg of 30 g

manufacturer/tradename

NIST®

bp

249 °C (lit.)

mp

121-125 °C (lit.)

format

neat

SMILES string

OC(=O)c1ccccc1

InChI

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

InChI key

WPYMKLBDIGXBTP-UHFFFAOYSA-N

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General description

Benzoic acid SRM 39J is refined by fractional freezing to give a material of high homogeneity and purity.   

Each unit of SRM 39J consists of 30 g of crystalline material.

SRM 39J _SDS

SRM 39J _CoA

Application

Benzoic acid standard reference material (SRM) is intended for use in the calibration and standardization of adiabatic, isoperibol, and aneroid bomb calorimeters.

Features and Benefits

  • SRM 39J is available with a certificate documenting NIST-certified purity of 0.999996 mol/mol, as measured by coulometer mass spectrometer. 
  • The NIST certificate is provided with uncertainty calculation, handling, storage, and use instructions.

Other Notes

Certified for the analytes listed below.
Benzoic acid (C7H6O2)

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

pictograms

Health hazardCorrosion

signalword

Danger

Hazard Classifications

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

target_organs

Lungs

wgk_germany

WGK 1

flash_point_f

249.8 °F

flash_point_c

121 °C


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