PHR1207
Methyl Ethyl Ketone
Pharmaceutical Secondary Standard; Certified Reference Material
Synonym(s):
2-Butanone, Ethyl methyl ketone, MEK, Methyl ethyl ketone
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About This Item
Linear Formula:
C2H5COCH3
CAS Number:
Molecular Weight:
72.11
Beilstein:
741880
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
grade
certified reference material
pharmaceutical secondary standard
Quality Level
Agency
traceable to USP 1430101
vapor density
2.49 (vs air)
vapor pressure
71 mmHg ( 20 °C)
CofA
current certificate can be downloaded
autoignition temp.
960 °F
expl. lim.
10.1 %
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
refractive index
n20/D 1.379 (lit.)
bp
80 °C (lit.)
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-30°C
SMILES string
CC(CC)=O
InChI
1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
InChI key
ZWEHNKRNPOVVGH-UHFFFAOYSA-N
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General description
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. 2-Butanone (Methyl ethyl ketone, MEK), an aliphatic ketone, is considered as an aprotic and protophilic solvent. Its ability as an anticonvulsive agent in lithium-pilocarpine-induced status epilepticus in rats is reported.
Application
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
Analysis Note
These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.
Other Notes
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Footnote
To see an example of a Certificate of Analysis for this material enter LRAC0146 in the slot below. This is an example certificate only and may not be the lot that you receive.
Recommended products
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
Target Organs
Central nervous system
Supplementary Hazards
WGK
WGK 1
Flash Point(F)
30.2 °F
Flash Point(C)
-1 °C
Regulatory Information
易制毒化学品（3类）
危险化学品
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