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Basic information
- CAS
1016649-41-4- Standard SMILES
COc1cc(S(=O)(=O)[O-])c(C)cc1N=Nc1c(O)ccc2cc(S(=O)(=O)[O-])ccc12.[Na+].[Na+]- InChIKey
CEZCCHQBSQPRMU-UHFFFAOYSA-L- Molecular formula
- C18H14N2Na2O8S2
- Average molar mass
- 496.4 g/mol
- Monoisotopic mass
- 495.99869632
Names & identifiers
- Preferred name
- E129
- IUPAC
- disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
Names & synonyms
E129RefChem:1084024Allura Red AC25956-17-6Allura RedAllura red AC dyeFood red 17Fancy RedFood Red No. 40C.I. Food Red 17FD&C Red No. 40Allura Red 40
Show more names
Japan Red 40Curry redALLURA RED C.I.16035Japan Food Red No. 40CI 16035FDC Red 40 dyeHSDB 7260Red 40
Database identifiers
- CAS
1016649-41-4、25956-17-6- PubChem CID
- 33258
- DTXSID
DTXSID4024436- ChEMBL
CHEMBL174821、CHEMBL3188816- ChEBI
CHEBI:172687- UNII
- WZB9127XOA
- EC Number
- 247-368-0
Properties
Computed structural propertiesFilling in
- Topological polar surface area
- 185 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 3
- Heavy atoms
- 32
- Formal charge
- 0
- Complexity
- 809
Experimental & physicochemical properties
Physical Description
Liquid; Wet Solid; Other Solid; Wet Solid; Dry Powder
Water soluble, red powder; [Sax]
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% (345 of 345) of all reports.
Not Classified；Reported as not meeting GHS hazard criteria by 345 of 345 companies. For more detailed information, please visit ECHA C&L website.
Aggregated GHS information provided per 345 reports by companies from 2 notifications to the ECHA C&L Inventory.；Reported as not meeting GHS hazard criteria per 345 of 345 reports by companies.；There are 0 notifications provided by 0 of 345 reports by companies with hazard statement code(s).；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard information
Regulatory Information
Chemical: 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-, disodium salt
Regulation (EC) No 1831/2003 (amended)
2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-, sodium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-, sodium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 01-07-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/12184
2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-, disodium salt: Does not have an individual approval but may be used under an appropriate group standard
Hazards SummaryA skin and eye irritant; May be harmful if swallowed; [MSDSonline]
Chemistry & industry
Uses & manufacturing
UsesNew monoazo dye proposed as color additive in various food products. [ChemIDplus]
U.S. Production2023: 1,000,000 - <2,500,000 lb；2022: 1,000,000 - <5,000,000 lb；2021: 1,000,000 - <5,000,000 lb；2020: 250,000 - <550,000 lb
Consumer UsesPigment；Dye
Industry UsesDye
Household ProductsInformation on 140 consumer products that contain FD&C Red #40 in the following categories is provided:；• Commercial / Institutional；• Hobby/Craft；• Home Maintenance；• Inside the Home；• Personal Care
Use Classification
EPA Safer Chemical Functional Use Classes -> Colorants
Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
Fragrance Ingredients
Food Additives -> COLOUR -> JECFA Functional Classes
Food Additives -> COLOUR -> JECFA Functional Classes
Cosmetics -> Cosmetic colorant; Hair dyeing
General Manufacturing Information
Agriculture, Forestry, Fishing and Hunting；Food, beverage, and tobacco product manufacturing；Synthetic Dye and Pigment Manufacturing
2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-, sodium salt (1:2): ACTIVE
Related reactions
4 records
Compound notes
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