Azo fuchsine
Basic information
- CAS
3567-66-6- Standard SMILES
Nc1cc(S(=O)(=O)[O-])cc2cc(S(=O)(=O)[O-])c(N=Nc3ccccc3)c(O)c12.[Na+].[Na+]- InChIKey
LQJVOKWHGUAUHK-UHFFFAOYSA-L- Molecular formula
- C16H11N3Na2O7S2
- Average molar mass
- 467.4 g/mol
- Monoisotopic mass
- 466.98338061
Overview
See also: Fast acid fuchsine B (annotation moved to); D&C Red No. 33 (annotation moved to).
Names & identifiers
- Preferred name
- Azo fuchsine
- IUPAC
- disodium;5-amino-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate
- English name
- AZOFUCHSIN
- Molecular formula
- C16H11N3Na2O7S2
- Molecular weight
- 467.38
Names & synonyms
Azo fuchsine3567-66-6Acid red 33D.C. Red No. 33C.I. ACID RED 33Red 10BAZOFUCHSIND&C Red 33D&C Red No. 33Azo grenadineC.I. Acid Red 33, disodium saltAcid fuchsine D
Show more names
CI 17200AKA227RED 3317200red10b1424redacidredbRedNo.3311427red
Redusol ZAzo magenta GCerticol Red BFast acid magentaHexalan Red BAcetyl Red BNaphthalene Red BColacid Red 2A
Database identifiers
- CAS
3567-66-6- PubChem CID
- 19116
- DTXSID
DTXSID1044562- UNII
- 9DBA0SBB0L
- EC Number
- 222-656-9
- Nikkaji
- J1.325.804J
Properties
Computed structural properties
- Topological polar surface area
- 202 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 2
- Heavy atoms
- 30
- Formal charge
- 0
- Complexity
- 757
Experimental & physicochemical properties
CosmeticsCosmetic colorant; Hair dyeing
FragrancesFragrance Ingredient (2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt) -> IFRA transparency List
Physicochemical properties
- Boiling point
- 717.34 ℃[at · 717.34℃[at 101 325 Pa]
- Density
- 0.488 · 0.488[at 20℃]
- Colour Index
- 17200 · 17200
- Water Solubility
- 54.45 g/L · 54.45g/L at 26℃
- Stability
- Stable. Incompatible with strong oxidizing agents.
- Major Application
- cleaning productscosmeticsfood and beveragespersonal care
- Cosmetics Ingredients Functions
- COLORANTHAIR DYEING
- InChIKey
- LQJVOKWHGUAUHK-BUFQOAPZSA-L
- SMILES
- O=S(C1=CC2=CC(S(=O)([O-])=O)=CC(N)=C2C(O)=C1/N=N/C3=CC=CC=C3)([O-])=O.[Na+].[Na+]
- LogP
- -2.09 · -2.09
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 27.6% (113 of 410) of reports.
Warning
H319 (47.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P273, P280, P305+P351+P338, P337+P317, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 410 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt
REACH registered substance: Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate (EC: 222-656-9)
2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt: Human health tier I assessment
Hazard Classes and CategoriesEye Irrit. 2 (47.1%)
Safety data
- wgk
- WGK 2
- tsca
- TSCA listed
- rtecs
- QJ6197000
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Storage Class
- 11 - Combustible Solids
- Hazard statements
Chemistry & industry
Uses & manufacturing
Household ProductsInformation on 507 consumer products that contain FD&C Red #33 in the following categories is provided:
Use Classification
Fragrance Ingredients
Food Additives -> COLOUR -> JECFA Functional Classes
Food Additives -> COLOUR -> JECFA Functional Classes
Food Additives -> COLOUR -> JECFA Functional Classes
Food Additives -> COLOUR -> JECFA Functional Classes
Food Additives -> COLOUR -> JECFA Functional Classes
Applications
UsesRefer to the productμs Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Preparation methods
Preparationaniline diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidin alkaline conditions coupled.
Upstream & downstream products
Upstream raw materials
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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