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| Country/Region | china |
|---|---|
| Company | Nuhai (Yantai) Co., Ltd |
| Categories | Fluorescent Brightener |
| Telephone | 0535-8206161 |
| ICP License | Issued by the Chinese Ministry |
| Company Info. |
| Nuhai (Yantai) Co., Ltd |
| View Contact Details |
| Product List |
Fluorescent brightener HST(C.I.357)
CAS:83512-97-4
MOLECULAR FORMULA:C40H38N12O18S6Na6
MOLECULAR WEIGHT:1305.12(As International relative Atom Mass 2005）
Max UV ABSORPTION WAVELENGHTH:349±1nm
CHARACTER:showing anionic character and blue color fluerescence
EXCUTIVE STANDARD:HG/T3971-2007
Specification:
| Item | ||
| Appearance | light yellow uniform powder | Amber transparent liquid |
Fluorescent strength (equivalent to the standard sample E400) | 100±3 | 20±1 |
| Color shade | Similar | -- |
Whiteness (the deviation with the standard sample) | -0.5 | -- |
| Content of water-insoiubleimpunties | 0.5% | -- |
| water content | 5.0% | -- |
| Fineness(residual content passed through 250um-pore sieve) | 0.5% | -- |
Properties:
1.Good wate
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