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2-Ethylhexanoic acid

SIAL/PHR1914 - Pharmaceutical Secondary Standard; Certified Reference Material

Synonym: 2-Ethylhexanoic acid; 2-Ethylcaproic acid

CAS Number: 149-57-5
Empirical Formula (Hill Notation): C8H16O2
Molecular Weight: 144.21
EC Number: 205-743-6
MDL Number: MFCD00002675
Linear Formula: CH3(CH2)3CH(C2H5)CO2H
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-PHR1914-3X1.2ML 1.2 mL
 $230.00
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API family 2-ethylhexanoic acid
application(s) pharmaceutical (small molecule)
autoignition temp. 699 °F
bp 228 °C (lit.)
CofA current certificate can be downloaded
density 0.903 g/mL at 25 °C (lit.)
expl. lim. 1.04 %, 135 °F
  8.64 %, 188 °F
form liquid
grade certified reference material
  pharmaceutical secondary standard
InChI 1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)
InChI key OBETXYAYXDNJHR-UHFFFAOYSA-N
packaging ampule of 3x1.2 mL
Quality Level 300 
refractive index n20/D 1.425 (lit.)
SMILES string CCCCC(CC)C(O)=O
storage temp. 2-30°C
technique(s) gas chromatography (GC): suitable
  HPLC: suitable
vapor density 4.98 (vs air)
vapor pressure <0.01 mmHg ( 20 °C)
  10 mmHg ( 115 °C)
Analysis Note: These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.
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.
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
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.
Other Notes: To see an example of a Certificate of Analysis for this material enter LRAB0955 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.
Symbol GHS08  GHS08
Signal word Warning
Hazard statements H361d
Precautionary statements P280
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) 237.2 °F - closed cup
Flash Point(C) 114 °C - closed cup
bp 228 °C (lit.)
Density 0.903 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.425 (lit.)
Storage Temp. 2-30°C
UNSPSC 41116107

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