NIST39J

Benzoic acid

NIST^® SRM^® 39j, calorimetric standard

• Linear Formula: C₆H₅COOH
• CAS Number: 65-85-0
• Molecular Weight: 122.12
• Beilstein: 636131
• MDL number: MFCD00002398
• UNSPSC Code: 41116107
• PubChem Substance ID: 329818752
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• 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

Description

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

Safety Information

• Pictograms: GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H315,H318,H372
• Precautionary Statements: P260 - P280 - P305 + P351 + P338 + P310
• 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
• Flash Point(F): 249.8 °F - closed cup
• Flash Point(C): 121 °C - closed cup