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
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 |
InChI key | OBETXYAYXDNJHR-UHFFFAOYSA |
packaging | ampule of 3x1.2 mL |
Quality Level | 300 ![]() |
refractive index | n |
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, EP and BP primary standards, where they are available. |
Footnote: | 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. |
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. |
Symbol | ![]() |
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 | n |
Storage Temp. | 2-30°C |
UNSPSC | 12352200 |