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Hubei Jusheng Technology Co., Ltd.,High purity o-Phthalaldehyde with best quality//www.lookchem.com/300w/\2010-5\3abc58e1-4349-4f70-adc0-41789d574144.png
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High purity o-Phthalaldehyde with best quality CAS NO.643-79-8

Min.Order Quantity:
10 Gram
Wuhan, Shanghai, Guangzhou, Tianjin port
Payment Terms:
L/C,T/T,Western Union,MoneyGram,Other

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Product Details


  • o-Phthalaldehyde
  • purity 99% o-Phthalaldehyde
  • high quality cas 643-79-8

Quick Details

  • ProName: High purity o-Phthalaldehyde with best...
  • CasNo: 643-79-8
  • Molecular Formula: C8H6O2
  • Appearance: white to light yellow crystal powder
  • Application: Pharmaceuticals intermediate.
  • DeliveryTime: within in 5-7 working days after recei...
  • PackAge: 25kg/paper drum or as customers' requi...
  • Port: Wuhan, Shanghai, Guangzhou, Tianjin po...
  • ProductionCapacity: 200 Kilogram/Week
  • Purity: ≥99%
  • Storage: stored at dry, cool and avoid light
  • Transportation: by sea/by express
  • LimitNum: 10 Gram
  • Moisture Content: ≤0.2%
  • Impurity: ≤0.5%


1, high quality with competitive price:

we are manufacturer and can provide high quality products with factory price.

2, fast and safe delivery

1) parcels can be sent out within 24 hours after payment. tracking number is available.

2) secure and discreet shipment. you have various choices of transportation methods.

3, we have clients throughout the world.

1) professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire.

2) market feedback and goods feedback are appreciated, meeting customers's requirement is our responsibility.

3) high quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.


basic information

product name:



1,2-benzenedialdehyde;o-phthaladehyde;phtalaldehydes;phthalaldialdehyde;phthalic aldehyde;phthalic dialdehyde;phthalyldicarboxaldehyde;o-phthalic dialdehyde







mol file:


o-phthalaldehyde structure

chemical properties

melting point

55-58 °c(lit.)

boiling point

83-84 °c (0.7501 mmhg)




>230 °f

vapor pressure

0.574 mmhg at 25°c

storage temp.


water solubility



air sensitive


stable. air sensitive. incompatible with strong oxidizing agents, strong bases.

usage and synthesis

chemical properties

white to light yellow powder


widely used for precolumn derivatization of amino acids in hplc separation or capillary electrophoresis. for flow cytometric measurements of protein thiol groups.

for precolumn derivatization of amino acids for hplc separation. for flow cytometric measurements of protein thiol groups.

precolumn derivatization reagent for primary amines and amino acids. the fluorescent derivative can be detected by reverse-phase hplc. the reaction requires opa, primary amine and a sulfhydryl. in the presence of excess sulfhydryl, amines can be quantitated. in the presence of excess amine, sulfhydryls can be quantitated.

about us:

hubei jusheng technology co., ltd., is a large group corporation which engaged in the r&d and manufacture of chemicals, pharmaceuticals and intermediates. we have earned ourselves a good reputation at home and abroad with advanced technology, standardized management and well established service systerm. we have developed to a very famous group corporation enterprise in chemical industry step by step.

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