76170
Melting point standard 121-123°C
analytical standard
Synonym(s):
Benzoic acid
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About This Item
Linear Formula:
C6H5COOH
CAS Number:
Molecular Weight:
122.12
UNSPSC Code:
20121904
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-618-2
Beilstein/REAXYS Number:
636131
MDL number:
grade
analytical standard
Quality Level
vapor density
4.21 (vs air)
vapor pressure
10 mmHg ( 132 °C)
autoignition temp.
1061 °F
shelf life
limited shelf life, expiry date on the label
bp
249 °C (lit.)
mp
121-123 °C (±0.3°C), 121-125 °C (lit.)
application(s)
food and beverages
pharmaceutical
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
General description
Benzoic acid melting point standard, 121-123 °C is useful as a melting point calibration standard while defining the purity of pharmaceutical chemicals. Its melting point value is determined with an average of 6 to 12 measurements using a Büchi B-545 instrument that is calibrated against primary standards.
Application
Melting point standard 121-123 °C, benzoic acid is an analytical standard used to calibrate melting point instruments, in the thermodynamic mode of operation. It is also used in R & D labs for chemical quality control (QC) and quality assurance (QA) to identify solid crystalline substances and to check their purity.
Features and Benefits
- Melting point calibration standard traceable to primary standards (LGC, London)
- Grade: Analytical Standard
- Uncertainty of measurement up to ± 0.3 °C
- Provided with certificates of analysis and safety data sheet
- A product of analytical standard grade that meets the QC/QA requirements of melting point analysis
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation
target_organs
Lungs
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Kasture.V.A
Pharmaceutical Analysis, 1 (2008)
G C Tremblay et al.
Pharmacology & therapeutics, 60(1), 63-90 (1993-10-01)
Detoxification of sodium benzoate by elimination as a conjugate with glycine, a nonessential amino acid, provides a pathway for the disposal of waste nitrogen. Since 1979, sodium benzoate has been widely used in the therapeutic regimen to combat ammonia toxicity
S Nacht et al.
Journal of the American Academy of Dermatology, 4(1), 31-37 (1981-01-01)
The transepidermal penetration and metabolic disposition of 14C-benzoyl peroxide were assessed in vitro (excised human skin) and in vivo (rhesus monkey). In vitro, the benzoyl peroxide penetrated into the skin, through the stratum corneum or the follicular openings, or both
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 76170-5G | 04061832918501 |