Solvent Red 72
Basic information
- CAS
4372-02-5- Standard SMILES
O=C1OC2(c3ccccc31)c1ccc([O-])c(Br)c1Oc1c2ccc([O-])c1Br.[Na+].[Na+]- InChIKey
REXANTGEEZXBSJ-UHFFFAOYSA-L- Molecular formula
- C20H8Br2Na2O5
- Average molar mass
- 534.1 g/mol
- Monoisotopic mass
- 531.85339
Names & identifiers
- Preferred name
- Solvent Red 72
- IUPAC
- disodium;4',5'-dibromo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
- English name
- disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate
- Molecular formula
- C20H8Br2Na2O5
- Molecular weight
- 534.06206
Names & synonyms
DibromofluoresceinC.I. Acid Orange 11Eosine 2JBromo Acid YellowishEosine S 104',5'-DibromfluoresceinD and C Orange No. 6C.I. 45370EINECS 224-468-27MF02AWG95Fluorescein, 4',5'-dibromo-, disodium saltFluorescein, 4',5'-dibromo-, sodium deriv., sodium salt
Show more names
C.I.Acid Orange 11D and C Orange No.6Acid Orange 11（CI 45370:1）C.I.Acid Orange 11:C.I.45370DIBROMO FLUORESCEIN DISODIUM SALT4',5'-Dibromofluorescein disodiumdisodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoateSodium 4',5'-dibromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)Sodium 4',5'-dibromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium saltSpiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium saltRefChem:888153SOLVENT RED 72 [INCI]CI 45370 [INCI]BENZOIC ACID, 2-(4,5-DIBROMO-6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-, DISODIUM SALTBENZOIC ACID, 2-(4,5-DIBROMO-6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-, SODIUM SALT (1:2)CI 45370
Database identifiers
- CAS
4372-02-5- PubChem CID
- 20388
- DTXSID
DTXSID40933520- EC Number
- 224-468-2
- Nikkaji
- J79.262D
Properties
Computed structural properties
- Topological polar surface area
- 81.7 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 5
- Rotatable bonds
- 0
- Heavy atoms
- 29
- Formal charge
- 0
- Complexity
- 585
Experimental & physicochemical properties
CosmeticsHair dyeing; Cosmetic colorant
Physicochemical properties
- Melting point
- 280 · 280-290 °C (decomp)
- Cosmetics Ingredients Functions
- COLORANTHAIR DYEING
- LogP
- 4.883 · 4.883 (est)
- FDA UNII
- 7 MF02AWG95 · 7MF02AWG95
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: Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium salt
Chemistry & industry
Uses & manufacturing
Use ClassificationCosmetics -> Hair dyeing; Cosmetic colorant
Applications
DescriptionSolvent Red 72 is classed chemically as a xanthene colour.
Preparation methods
Preparationfluorescent element (C.I.Acid Yellow 73, C.I. 45350) in sodium hydroxide solution 2 brominated, and then, with sodium salting out.
Upstream & downstream products
Upstream raw materials
Downstream products
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