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Wednesday, February 11, 2015
Properties of :Tetrafluoro-1,2-benzenediol
Name:Tetrafluoro-1,2-benzenediol
CAS: 1996-23-2
Molecular Formula:C6H2F4O2
Formula Weight:182.07
Description:
Melting point:68-69°C (subl.)
Boiling point:187.3°Cat760mmHg
Flash Point:67.1°C
Density:1.719g/cm3
Synonym:Pyrocatechol,tetrafluoro- (7CI,8CI); 1,2-Dihydroxytetrafluorobenzene;
3,4,5,6-Tetrafluoro-1,2-benzenediol; 3,4,5,6-Tetrafluorocatechol
from:Acridine Raw Material
Monday, February 9, 2015
about 4-amino-6-hydroxypyrimidine
Name:4-amino-6-hydroxypyrimidine
CAS: 1193-22-2
Molecular Formula: C4H5N3O
Formula Weight:111.1
Description:
Melting point:262-264°C
Boiling point:227.5 °C at 760 mmHg
Flash Point:91.4 °C
Density:1.55 g/cm3
Chemical property:White to slight yellow crystalline powder
Product Categories:Fluorobenzene;Pyridines, Pyrimidines, Purines and Pteredines;
Heterocyclic Compounds;Nucleotides and Nucleosides
from:Acridine Raw Material
Wednesday, February 4, 2015
Overview of Wedelia Chinensis Extracts
Name: Wedelia chinensis
Family: Asteraceae (Sunflower family)
Synonyms: Solidago chinensis
Chinese Wedelia is a tender, spreading, and hairy herb, with the branches usually less than 50 cm long. The leaves are oblong to oblong-lanceolate, 2-4.5 cm in length, and narrowed at both ends. The margins are entire or obscurely toothed; and both surfaces are covered with sharp-pointed, appressed, straight, and stiff hairs. The heads are stalked, about 1 cm in diameter, and yellow. The involucral bracts are oblong-ovate. The ray flowers are 8-12, spreading, about equal to the bracts, and broad; the disk flowers number about 20, and are short, narrow, and pointed. The achenes are nearly cylindric, and hairy.
Medicinal uses: Warning: Unverified information The leaves are used in dyeing grey hair and in promoting the growth of hair. They are considered tonic, alternative, and useful in coughs, cephalalgia, skin diseases, and alopecia. The juice of the leaves is much used as a snuff in cephalalgia. The seeds and flowers, as well as the leaves, are used in decoction, in the quantity of half of teacupful twice daily, as a deobstruent. In decoction, the plant is used in uterine haemorrhage and menorrhagia.
from:Natural standard substance
Monday, February 2, 2015
Properties of Hexahydrocumic acid
Name:Hexahydrocumic acid
CAS: 62067-45-2
Molecular Formula:C10H18O2
Formula Weight:170.25
Description:
Melting point:90-93°C
Chemical property:White or pale white crystalline
Use:Serve as the medicine intermediate.
Synonym:Cyclohexanecarboxylicacid, 4-isopropyl- (6CI,7CI); 4-Isopropylcyclohexanecarboxylic acid; NSC 28951
from:Acridine Raw Material
Wednesday, January 28, 2015
Introduction of Acetylketene
Name:Acetylketene
CAS: 674-82-8
Molecular Formula: C4H4O2
Formula Weight: 84.07
Description:
Melting point:-7.5 ºC
Boiling point:127.4 ºC
Flash Point:34 ºF
Density:1.09 g/mL at 25 °C(lit.)
Chemical property:Colourless liquid.React with water
Use:Used as an intermediate in the organic synthesis.
Storage:In ventilate,cool and dry places.
from:Acridine Raw Material
Monday, January 26, 2015
Properties of N,N-Diethylhydroxylamine
Name:N,N-Diethylhydroxylamine
CAS: 3710-84-7
Molecular Formula: C4H11NO
Formula Weight: 89.14
Description:
Melting point:-26--25 °C(lit.)
Boiling point:125-130 °C
Flash Point:115 °F
Density:0.902 g/mL at 25 °C
Chemical property:light yellow liquid
Use:Using as high efficiency inhibitor and antioxidant.
Storage:Kept away from flammables area.
from:Acridine Raw Material
Wednesday, January 21, 2015
Introduction of Chloroclopentane
Name:Chloroclopentane
CAS: 930-28-9
Molecular Formula:C5H9Cl
Formula Weight: 104.58
Description:
Melting point:-50 °C
Boiling point: 114 °C(lit.)
Flash point:59 °F
Density:1.005 g/mL at 25 °C(lit.)
Chemical property:
Use:Used as intermediates in organic synthesis
Storage:In ventilate,cool and dry places
from:Acridine Raw Material
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