Direct Scarlet Red 4BE, Congo Red
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| Post Date: | Aug 19,2015 |
| Expiry Date: | Aug 18,2016 |
| Detailed Description: |
Cas No. :573-58-0
Quantity: 50000Kilograms Price:4 USD Kilograms Payment Method: TT/LC Direct Red 28 (Direct Congo Red 4B): 1) CAS no.: 573-58-0 2) Appearance: red powder 3) Light fastness: 3 4) Acid resistance: 3-4 5) Alkali resistance: 3-4 6) Water fastness: 2 7) Wash fastness: 2 8) Used for: cotton, silk, paper |
| CAS Registry Number: | 573-58-0 |
| Synonyms: | C.I. 22120;C.I. Direct Red 28;C.I. Direct Red 28, disodium salt;C.I. Direct Red 28, disodium salt (8CI);Congo red;Direct Red 28;Congo red (0.1% in water)[for titration];Congo red (0.1% in water);Direct Scarlet 4B;disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate);disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonate;Direct Red 28; |
| Molecular Formula: | C32H22N6Na2O6S2 |
| Molecular Weight: | 696.6632 |
| Molecular Structure: | 
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| Hazard Symbols: |  T:Toxic; |
| Risk Codes: | R45:; R63:; |
| Safety Description: | S45:; S53:; |
| Company: | Hebei Caiyi Imp&Exp Trade Co.,Ltd. |
| Contact: | Dane Zhang |
| Tel: | 0311-85326787 |
| Fax: | - |
| Email: | 179578565@qq.com |
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