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Products List
Fluorescent whitening agents SWN
Fluorescent whitening agents SWN (C.I.140)
Chemical name: 7-diethylamino-4-methylcoumarin
CAS NO.: 91-44-1
Molecular formula: C14H17NO2
Specifications:
Appearance: white crystal powder
Assay: 99% min (HPLC)
Melting Point: 70-72°C
Use:It is used in brightening acetate fiber, polyester fiber,...
Methyl-1,4-naphthoquinone
Methyl-1,4-naphthoquinone（ Vitamin K3）
Product Name: Menadione;Methyl-1,4-naphthoquinone;Vitamin K3
CAS Number: 58-27-5
Chemical name: Methyl-1,4-naphthoquinone
Molecular Weight: 172.2
Technical conditions:
Appearance: Yellow crystalline powder
Content: 98.5%min
Melting point: 105～107°C
Loss on drying: ≤0.3%
Usage:...
4,4'-Stilbenedicarboxylic acid
4,4'-Stilbenedicarboxylic acid
Chemical name: 4,4'-Stilbenedicarboxylic acid
Synonyms name: Stilbene-4,4'-dicarboxylic acid
CAS NO.：100-31-2
Molecular formual: C16H12O4
Molecular weight: 268.26
Technical conditions:
Appearance: white powder
Content: 97.0% min
Melting point: 385℃
Usage: Mainly used for the intermediate of...