- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Direct Red 31
- Price: Check
- Purity: 100.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Direct Red 31
- Price: ￥1178.0/100g ￥188.0/5g ￥458.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Direct Red 31
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
5001-72-9
5001-72-9 structure
- Name: Direct Red 31
- Chemical Name: disodium,(3E)-4-oxo-7-[[(6E)-5-oxo-6-(phenylhydrazinylidene)-7-sulfonatonaphthalen-2-yl]amino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonate
- CAS Number: 5001-72-9
- Molecular Formula: C32H21N5Na2O8S2
- Molecular Weight: 713.647
- Catalog: Dyes and pigments dye Direct dye
- Create Date: 2018-03-24 08:00:00
- Modify Date: 2025-08-25 10:38:11
| Name | disodium,(3E)-4-oxo-7-[[(6E)-5-oxo-6-(phenylhydrazinylidene)-7-sulfonatonaphthalen-2-yl]amino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonate |
|---|---|
| Synonyms |
Disodium 7,7'-iminobis{4-hydroxy-3-[(E)-phenyldiazenyl]-2-naphthalenesulfonate}
einecs 225-669-8 Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate) 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-[(E)-2-phenyldiazenyl]-, sodium salt (1:2) |
| Molecular Formula | C32H21N5Na2O8S2 |
|---|---|
| Molecular Weight | 713.647 |
| Exact Mass | 713.062683 |
| PSA | 233.09000 |
| LogP | 10.02140 |