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| Producer, Manufacturer,
Supplier of |
| 2,4-Dinitrophenylhydrazine moistened with X33% of H2O |
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| GRR
Code : |
0665 |
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| CAS No : |
119-26-6 |
| CI No : |
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| Molecular Formula
: |
C6H6N4O4 |
| Molecular Weight
: |
198.14 |
| Description
: |
Red crystalline powder ˇ Insoluble in water ˇ Slightly soluble in alcohol ˇ Soluble in diluted acids ˇ M. P.: 200 ° C dec. ˇ Thermal decom. above 160 ° C ˇ
APPLICATIONS: Analytical reagent,ˇSpraying reagent for T.L.C,For the determination of a-ketos groups after the transamination of a-amino groups with glyoxylic acid ,For the colorimetric determination of aldehydes and ketones,Reagent for UV-visible absortion derivatization of carbonyl compounds in HPLC,Identification of ketones ,Synthesis reagent: Reagent for derivatization of carbonyl groups,Synthesis of pyrazoles ,2,4-Dinitrophenylhydrazones of aryl-alkyl or diaryl-ketones are readily hydrogenolysed over palladium to the corresponding methylene compounds in a useful alternative to the Clemmensen or Wolff-Kishner methods,For the cleavage of 2,4-dinitrophenylhydrazones by titanium (III) chloride,by exchange with aqueous acetone in the presence of Amberlyst 15
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| Website : |
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| Synonyms : |
DNPH, C6H6N4O4 |
| Specifications
: |
| Specifications |
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| Minimum assay (HPLC) |
99,0 % |
| Identity |
IR p/t. |
| Melting range |
199-202°C |
| MAXIMUM LIMIT OF IMPURITIES |
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| Insoluble matter in H2SO4 |
0,01 % |
| Residue on ignition (as SO4) |
0,02 % |
| Sensitivity to carbonyl group |
p/t. |
| Chloride (Cl) |
0,01 % |
| Sulphate (SO4) |
0,01 % |
| Cu |
0,001 % |
| Fe |
0,001 % |
| Ni |
0,001 % |
| Pb |
0,001 % |
HAZARDOUS: RTECS: MV 3325000 ˇ
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R: 1-22-36/38
S: 35 |
TRANSPORT REGULATIONS: UN: 1325 ˇ ADR: 4.1/III ˇ IMDG: 4.1/III ˇ IATA: 4.1/III ˇ PAX: 419 ˇ CAO: 420ˇ
OBSERVATIONS: Storage above 0°C |
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| GRR
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