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Detail of "555-16-8"

  • CAS Number:
  • 555-16-8
  • Name:

  • 4-Nitrobenzaldehyde

  • Molecular Structure:
  • Formula:
  • C7H5NO3
  • Molecular Weight:
  • 151.12
  • Synonyms:
  • CPD-703;Benzaldehyde, 4-nitro-;p-Nitrobenzaldehyde;Benzaldehyde, p-nitro-;p-Formylnitrobenzene;P-Nitro-benzaldehyde;
  • EINECS:
  • 209-084-5
  • Density:
  • 1.338 g/cm3
  • Melting Point:
  • 103-106 °C(lit.)
  • Boiling Point:
  • 299.6 °C at 760 mmHg
  • Flash Point:
  • 155.2 °C
  • Solubility:
  • 103-106 °C(lit.)
  • Appearance:
  • Yellow to brown crystalline powder
  • Hazard Symbols:
  • IrritantXi
  • Risk Codes:
  • 36-43-52/53-36/37/38-68
  • Safety:
  • 26-36/37-61-24/25-36/37/39-36 Details
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CAS No.555-16-8 4-NitrobenzaldehydeCompetitive Product

Assay:99%min  Appearance:white or lig...  Package:25kg/drum

Specifications 1, CAS: 555-16-8, 2, White or light yellow powder crystal, 3, Assay: 99%min, 4, supply 30 MT per month of 4-Nitrobenzaldehyde

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:99.5%  Appearance:powder  Package:25kg/Cardboa...Storage:1-10MT

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:98%min  Appearance:light yellow...

Product name:4-Nitrobenzaldehyde Lossing on drying:0.5% max.

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:98℅  Appearance:Inqury  Package:100g,500g,13...

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:98%min  Appearance:light yellow...

Lossing on drying:0.5% max.

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:99%  Appearance:Yellow cryst...

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CAS No.555-16-8 4-Nitrobenzaldehyde

4-Nitrobenzaldehyde

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4-Nitrobenzaldehyde

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4-Nitrobenzaldehyde

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:99%

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Assay:98%

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:99%min  Appearance:Light Yellow...  Package:25kgs in Bag

4-NITROBENZALDEHYDE PRODUCT IDENTIFICATION FORMULA O2NC6H4CHO MOL WT. 151.12 H.S. CODE 2913.00 TOXICITY Oral-Rat LD50 :4700 mg/kg SYNONYMS p-Formylnitrobenzene; p-Nitrobenzaldehyde; DERIVATION Derived from Benzaldehyde CLASSIFICATION Perfumery, Pharmaceu

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CAS No.555-16-8 4-Nitrobenzaldehyde

Assay:99% min GC.  Appearance:Pale yellow ...  Package:25kg cardboa...

Moisture 0.5%max Melting point 102-106 ℃

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CAS No.555-16-8 4-Nitrobenzaldehyde

Chem. Bezeichnung : p-nitrobenzaldehyd Aussehen : weisse, leicht gelbliche Kristalle Gehalt : min 99 % Wassergehalt : max 0,8 % Verpackung : Trommeln CAS-Nr. : 555-16-8 Kennzeichnung : Xn gesundheitssch鋎lich Sonstiges : Schmelzpunkt 105-108癈

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CAS No.555-16-8 4-Nitrobenzaldehyde

Molecular formula: C7H5NO3 Specification: Appearance: light yellow crystalline powder Assay: 99% minGC. Moisture: 0.5%max Melting point: 102-106°C Uses: drug and dye, etc. Packing: 25kg cardboard drum

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Synthesis of pharmaceutical intermediates

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4-NITRO? BENZALDEHYDE? GR

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4.7 gram in stock of Specs ID AB-131/40217801.

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more information,please contact us

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4-NITROBENZALDEHYDE

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Reference

Photochemical decomposition of chloramphenicol in a 0
Photochemical decomposition of chloramphenicol in a 0.25% eyedrop and in a therapeutic intraocular concentration. De Vries, H.; Beijersbergen van Henegouwen, G. M. J.; Huf, F. A. (Gorlaeus Lab., Leiden, Neth.). Int. J. Pharm., 20(3), 265-71 (English) 1984. CODEN: IJPHDE. ISSN: 0378-5173. DOCUMENT TYPE: Journal CA Section: 63 (Pharmaceuticals) Section cross-reference(s): 22 It has been postulated that in the metab. of chloramphenicol (I) [56-75-7] nitroso compds. can be formed in the 'predisposed host'. This would be the cause of non-dose-related aplastic anemia. Solid proof for this metabolic formation in vivo has not been given. However, on exposure to sunlight under in vivo related circumstances, relevant to the eye under treatment, were found in addn. to p-nitrobenzaldehyde [555-16-8], p-nitrobenzoic acid [62-23-7] and p-nitrosobenzoic acid [619-68-1]. p-Nitrosobenoic acid was found up to 45 mol% of the starting amt. of I. This photoreaction is not restricted to the eye but may also occur in the skin.
Stability of chloramphenicol in pharmaceuticals
Stability of chloramphenicol in pharmaceuticals. Kister, G.; Esteve, Mrs. G.; Catterini, Mrs. A. M.; Chanal, J. L.; Fromental, L.; Personne, J. C. (Lab. Natl. Sante Phys.-Chim. Microbiol., Montpellier, Fr.). Trav. Soc. Pharm. Montpellier, 37(3), 173-82 (French) 1977. CODEN: TSPMA6. DOCUMENT TYPE: Journal CA Section: 63 (Pharmaceuticals) Control of stability in com. chloramphenicol (I) [56-75-7]-contg. pharmaceuticals was accomplished by phys.-chem. and bacteriol. methods. A good correlation was established between the results. Instability in soln. was shown. I was hydrolyzed into 1-p-nitrophenyl-2-amino-1,3-propanediol [119-62-0]. The other degradative products: p-nitrobenzoic acid [62-23-7] and p-nitrobenzaldehyde [555-16-8] were rarely obsd.
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