Basic information
- CAS
5001-72-9- Standard SMILES
O=S(=O)([O-])c1cc2cc(Nc3ccc4c(O)c(N=Nc5ccccc5)c(S(=O)(=O)[O-])cc4c3)ccc2c(O)c1N=Nc1ccccc1.[Na+].[Na+]- InChIKey
OYUZMQYZGSMPII-UHFFFAOYSA-L- Molecular formula
- C32H21N5Na2O8S2
- Average molar mass
- 713.7 g/mol
- Monoisotopic mass
- 713.06269319
Overview
Dyes; structure in first source
Names & identifiers
- Preferred name
- Direct Red 12B
- IUPAC
- disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate
- English name
- Direct Red 31
- Molecular formula
- C32H21N5Na2O8S2
- Molecular weight
- 713.64738
Names & synonyms
Direct Red 12BDTXSID10889484DIRECT PINK 12BRefChem:134891DTXCID1010287375001-72-9Direct Red 31Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate)disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonateSodium 7,7'-azanediylbis(4-hydroxy-3-(phenyldiazenyl)naphthalene-2-sulfonate)MFCD018463842-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-(phenylazo)-,disodium salt
Show more names
Direct pinkC.I.29100Pink Red 12BDirect Pink 3BDirect Rose BSSolar Pink 2B.Diphenyl Red RWPyrazol Pink 2BCondirect Red CA
EINECS 225-669-8Direct Red 31, tech.C.I. Direct Red 31SCHEMBL29364859C.I. Direct Red 31, disodium saltAKOS000282969C.I. 29100NS00045153
Properties
Computed structural properties
- Topological polar surface area
- 233 Ų
- Hydrogen bond donors
- 3
- Hydrogen bond acceptors
- 13
- Rotatable bonds
- 6
- Heavy atoms
- 49
- Formal charge
- 0
- Complexity
- 1,200
Physicochemical properties
- EPA Substance Registry System
- 2 · 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-(phenylazo)-, disodium salt (5001-72-9)
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 100% (5 of 5) of all reports.
Not Classified
Aggregated GHS information provided per 5 reports by companies from 1 notifications to the ECHA C&L Inventory.
Hazard information
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
Chemistry & industry
Uses & manufacturing
General Manufacturing Information2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2): ACTIVE
Applications
UsesDirect red 31 is a good dyeing agent for cotton fabrics.
Upstream & downstream products
Upstream raw materials
Suppliers45 total
陕西缔都医药有限责任公司029-81124775 17791530730 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
太原市瑞和丰科贸有限公司+86 351 7031519 · [email protected]
深圳市思美泉生物科技有限公司17683743113;18038040196 · [email protected]
超彩实业有限公司0574-83851061 · [email protected]
广东大小化工有限公司171603 18666171603 · [email protected]
ChemeGen 中国18818260767 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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