The 97% purity has been factored into the certified concentration of 995 ug/mL.
CRM4M7340
Acetaldehyde-2,4-DNPH solution
certified reference material, ampule of 5 × 1 mL
Synonym(s):
Acetaldehyde-2,4-dinitrophenylhydrazone solution
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About This Item
Empirical Formula (Hill Notation):
C8H8N4O4
CAS Number:
Molecular Weight:
224.17
MDL number:
UNSPSC Code:
77101502
NACRES:
NA.24
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Recommended Products
grade
certified reference material
TraceCERT®
Quality Level
product line
TraceCERT®
CofA
current certificate can be downloaded
feature
standard type calibration
packaging
ampule of 5 × 1 mL
concentration
1000 μg/mL in acetonitrile (as the aldehyde)
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
environmental
format
single component solution
storage temp.
2-8°C
InChI
1S/C8H8N4O4/c1-2-9-10-7-4-3-6(11(13)14)5-8(7)12(15)16/h2-5,10H,1H3/b9-2+
InChI key
ONBOQRNOMHHDFB-XNWCZRBMSA-N
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Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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.
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
35.6 °F - closed cup
Flash Point(C)
2.0 °C - closed cup
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Can it be assumed that the Raw Material Purity of 97.0% should not be adjusted by the 995 µg/ml when determining dilution concentrations?
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Why is the raw material purity indicated on the CoA if it is not intended to be used?
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The raw material purity is included for traceability to the raw material lot number also listed. In some cases, it can also explain any low-level impurities that a customer might see in their or our provided chromatogram. The goal is simply to provide as much characterization data as possible.
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