direct blue 71
Date：2021-12-03 Categories：Related Application Product
| post date: |
dec 02,2021 |
| expiry date: |
may 31,2022 |
| detailed description: |
cas no. :4399-55-7
appearance: dark brown to black powder
physical state: solid
solubility: soluble in water (partly miscible).
storage: store at room temperature |
| cas registry number: |
4399-55-7
|
| synonyms: |
;c.i. direct blue 71;c.i. 34140;direct blue 71;direct blue 71 (c.i. 34140);tetrasodium 3-[(e)-{4-[(e)-{4-[2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1h)-ylidene)hydrazino]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;tetrasodium 3-[(e)-{4-[(e)-{4-[(2e)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1h)-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;direct blue 71(c.i.34140); |
| molecular formula: |
c40h23n7na4o13s4 |
| molecular weight: |
1029.8688 |
| molecular structure: |
|
| safety description: |
s24/25:; |
