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Pharmaceutical Secondary Standard; Certified Reference Material

Methyl glycol, 2-Methoxyethanol, Ethylene glycol monomethyl ether
Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level


certified reference material
pharmaceutical secondary standard

vapor density

2.62 (vs air)

vapor pressure

6.17 mmHg ( 20 °C)


current certificate can be downloaded

autoignition temp.

548 °F

expl. lim.

24.5 %


ampule of 3x1.2 mL each


HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.402 (lit.)


124-125 °C (lit.)


−85 °C (lit.)


0.965 g/mL at 25 °C (lit.)


pharmaceutical (small molecule)



pharmacopeia traceability

traceable to USP 1601645

storage temp.


SMILES string




InChI key


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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-Methoxyethanol is widely used solvent in various electrochemical studies and industrial processes. It exhibits "quasi-aprotic" properties. Its solvent characteristics are a mixture of that of protic and aprotic solvents.


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.


To see an example of a Certificate of Analysis for this material enter LRAA4460 in the slot below. This is an example certificate only and may not be the lot that you receive.

Signal Word


Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3 - Repr. 1B - STOT RE 2 - STOT SE 1

Target Organs

Immune system, thymus

Storage Class Code

3 - Flammable liquids



Flash Point(F)

104.0 °F - closed cup

Flash Point(C)

40 °C - closed cup

Certificate of Analysis

Certificate of Origin

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GC Analysis of Class 2 Residual Solvents on OVI-G43

GC Analysis of Class 2 Residual Solvents on OVI-G43

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