Basic information
- CAS
3875-70-5- Standard SMILES
O=S(=O)([O-])Oc1c(-c2[nH]c3ccccc3c2OS(=O)(=O)[O-])[nH]c2ccccc12.[Na+].[Na+]- InChIKey
KFASJWBJXNIESC-UHFFFAOYSA-L- Molecular formula
- C16H10N2Na2O8S2
- Average molar mass
- 468.4 g/mol
- Monoisotopic mass
- 467.96739619
Names & identifiers
- Preferred name
- (2,2'-Bi-1H-indole)-3,3'-diol, 3,3'-bis(hydrogen sulfate), sodium salt (1:2)
- IUPAC
- disodium;[2-(3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfate
- English name
- INDIGOSOL O, DISODIUM SALT
- Molecular formula
- C16H13N2NaO8S2
- Molecular weight
- 448.4
Names & synonyms
3875-70-5EINECS 223-399-5(2,2'-Bi-1H-indole)-3,3'-diol, 3,3'-bis(hydrogen sulfate), sodium salt (1:2)[2,2'-Bi-1H-indole]-3,3'-diol, 3,3'-bis(hydrogen sulfate), sodium salt (1:2)RefChem:68493Indigosol O Disodium SaltSodium 1H,1'H-[2,2'-biindole]-3,3'-diyl bis(sulfate)[2,2'-Bi-1H-indole]-3,3'-diol, bis(hydrogen sulfate) (ester), disodium saltdisodium;[2-(3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfateINDIGOSOL O, DISODIUM SALTDISODIUM 3'-(SULFONATOOXY)-1H,1'H-[2,2'-BIINDOL]-3-YL SULFATETinosol Blue O
Show more names
Solvat Blue OFenanthra Blue OCibantine IndigoIndigosol O ExtraSoledon Indigo LLSSolubilised Vat Blue 1Mikethrene Soluble Blue O
(2,2'-Bi-1H-indole)-3,3'-diol, bis(hydrogen sulfate) (ester), disodium saltSoledon Indigo LLDisodium (2,2'-bi-1H-indole)-3,3'-diyl disulphateDTXSID2063216KFASJWBJXNIESC-UHFFFAOYSA-LAKOS004906792FI24569Disodium 1H,1'H-[2,2'-biindole]-3,3'-diyl disulfate
Database identifiers
- CAS
3875-70-5- PubChem CID
- 77482
- DTXSID
DTXSID2063216- EC Number
- 223-399-5
- Nikkaji
- J139.447I
Properties
Computed structural properties
- Topological polar surface area
- 181 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 3
- Heavy atoms
- 30
- Formal charge
- 0
- Complexity
- 685
Physicochemical properties
- Melting point
- 101 °C · >101°C (dec.)
- storage temp.
- -20 °C · Hygroscopic, -20°C Freezer, Under inert atmosphere
- solubility
- Methanol (Slightly), Water (Slightly)
- form
- Solid
- color
- Yellow to Very Dark Green
- Stability
- Hygroscopic
- EPA Substance Registry System
- 2 · [2,2'-Bi-1H-indole]-3,3'-diol, bis(hydrogen sulfate) (ester), disodium salt (3875-70-5)
- 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.
Hazard information
Regulatory InformationChemical: [2,2'-Bi-1H-indole]-3,3'-diol, bis(hydrogen sulfate) (ester), disodium salt
Other Safety InformationEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia
Safety data
- tsca
- TSCA listed
Chemistry & industry
Uses & manufacturing
General Manufacturing Information[2,2'-Bi-1H-indole]-3,3'-diol, 3,3'-bis(hydrogen sulfate), sodium salt (1:2): INACTIVE
Applications
UsesIndigosol O is an indigo dye used for cotton.
Preparation methods
Preparation(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 1 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Blue 1. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Upstream & downstream products
Upstream raw materials
Suppliers5 total
武汉易泰科技有限公司上海分公司18930552037 · [email protected]
凯试(上海)科技有限公司021-50135380 · [email protected]
艾吉析科技（上海）有限公司17717235263 17717235263 · [email protected]
深圳聚合生化科技有限公司+86-400-002-6226 13028896684 · [email protected]
北京百灵威科技有限公司18210857532 18210857532 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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