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Merck
CN

PHR2475

Guaiacol Impurity E

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Methyl benzoate

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About This Item

Linear Formula:
C6H5COOCH3
CAS Number:
93-58-3
Molecular Weight:
136.15
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
1072099
MDL number:
MFCD00008421

Key Documents

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SMILES string

COC(=O)c1ccccc1

InChI

1S/C8H8O2/c1-10-8(9)7-5-3-2-4-6-7/h2-6H,1H3

InChI key

QPJVMBTYPHYUOC-UHFFFAOYSA-N

grade

certified reference material, pharmaceutical secondary standard

vapor density

4.68 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

API family

guaiacol

form

liquid

packaging

pkg of 100 mg

refractive index

n20/D 1.516 (lit.)

bp

198-199 °C (lit.)

mp

−12 °C (lit.)

density

1.088 g/mL at 20 °C (lit.)

application(s)

pharmaceutical small molecule

storage temp.

2-8°C

Quality Level

300

Related Categories

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

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 and EP 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 LRAC4548 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

170.6 °F - Pensky-Martens closed cup

flash_point_c

77 °C - Pensky-Martens closed cup

Regulatory Information

危险化学品
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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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