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Merck
CN

PHR1914

2-Ethylhexanoic acid

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

2-Ethylhexanoic acid, 2-Ethylcaproic acid

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About This Item

Linear Formula:
CH3(CH2)3CH(C2H5)CO2H
CAS Number:
149-57-5
Molecular Weight:
144.21
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329823634
EC Number:
205-743-6
Beilstein/REAXYS Number:
1750468
MDL number:
MFCD00002675

Key Documents

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Product Name

2-Ethylhexanoic acid, Pharmaceutical Secondary Standard; Certified Reference Material

SMILES string

CCCCC(CC)C(O)=O

InChI key

OBETXYAYXDNJHR-UHFFFAOYSA-N

InChI

1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)

grade

certified reference material
pharmaceutical secondary standard

vapor density

4.98 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)
10 mmHg ( 115 °C)

API family

2-ethylhexanoic acid

form

liquid

CofA

current certificate can be downloaded

autoignition temp.

699 °F

expl. lim.

1.04 %, 135 °F
8.64 %, 188 °F

packaging

ampule of 3x1.2 mL

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.425 (lit.)

bp

228 °C (lit.)

density

0.903 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

storage temp.

2-30°C

Quality Level

300

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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.
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.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360D

Hazard Classifications

Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

237.2 °F - closed cup

flash_point_c

114 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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