Sodium Silicate series|Lithium silicate|Quinolinic anhydride|ß-carotene--Zhejiang Qiangsheng Chemical Industry Co.,LTD.

Zhejiang Qiangsheng Chemical Industry Co.,LTD.

Inorganic silicon compounds

Sodium Silicate series

Sodium metasilicate series

Potassium silicate series

Lithium silicate

Sodium potassium silicate series

Phosphorus-free detergency promoter series

Quinolinic acid series

Quinolinic acid

Quinolinic anhydride

Pharmaceutical intermediate & pesticide intermediate series

2-(methylthio)benzonitrile

1,2-Benzisothiazolin-3-One

1,2-benzisothiazol-3(2H)-one 1,1-dioxide

β-carotene series

beta-carotene-4,4'-dione

3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione

New-type environmentally friend-
ly industrial algae fungicidals

1,2-Benzisothiazolin-3-One(BIT)

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Quinolinic anhydride

Alias:2,3-Pyridinedicarboxylic anhydride

Molecular formula:C₇H₃NO₃
Molecular weight:149.10
Molecular structure:

Appearance	white or off-white powder
Assay	99.0% Min
Moisture	0.3%Max
Ash	0.3%Max

Properties:pure product is white solid, Melting point :137-139℃
Uses:a key intermediate of herbicide


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