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Benzoic acid

SIAL/NIST39J - NIST® SRM® 39j, calorimetric standard

CAS Number: 65-85-0
Empirical Formula (Hill Notation): C7H6O2
Molecular Weight: 122.12
MDL Number: MFCD00002398
Linear Formula: C6H5COOH
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-NIST39J 30 g
 $539.00
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autoignition temp. 1061 °F
bp 249 °C (lit.)
format neat
grade certified reference material
InChI 1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)
InChI key WPYMKLBDIGXBTP-UHFFFAOYSA-N
manufacturer/tradename NIST®
mp 121-125 °C (lit.)
packaging pkg of 30 g
Quality Level 100 
SMILES string OC(=O)c1ccccc1
vapor density 4.21 (vs air)
vapor pressure 10 mmHg ( 132 °C)
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.
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 
Legal Information: NIST is a registered trademark of National Institute of Standards and Technology
Legal Information: SRM is a registered trademark of National Institute of Standards and Technology
Other Notes: Certified for the analytes listed below.
Benzoic acid (C7H6O2)

See certificate for values and more details at nist.gov/SRM.
bp 249 °C (lit.)
mp 121-125 °C (lit.)
UNSPSC 41116107

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