Basic information
- CAS
6507-77-3- Standard SMILES
O=S(=O)([O-])c1cc(S(=O)(=O)[O-])c2c(N=Nc3ccc(C4(c5ccc(N=Nc6ccc(O)cc6)cc5)CCCCC4)cc3)c(O)ccc2c1.[Na+].[Na+]- InChIKey
VNENWQQVIWFWHW-UHFFFAOYSA-L- Molecular formula
- C34H28N4Na2O8S2
- Average molar mass
- 730.7 g/mol
- Monoisotopic mass
- 730.11439478
Names & identifiers
- Preferred name
- 1,3-naphthalenedisulfonic acid, 7-hydroxy-8-((4-(1-(4-((4-hydroxyphenyl)azo)phenyl)cyclohexyl)phenyl)azo)-, disodium salt
- IUPAC
- disodium;7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]naphthalene-1,3-disulfonate
- English name
- Acid Orange 33
- Molecular formula
- C34H31N4NaO8S2
- Molecular weight
- 710.75
Names & synonyms
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(1-(4-((4-hydroxyphenyl)azo)phenyl)cyclohexyl)phenyl)azo)-, disodium salt1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(4-(1-(4-(2-(4-hydroxyphenyl)diazenyl)phenyl)cyclohexyl)phenyl)diazenyl)-, sodium salt (1:2)Disodium 7-hydroxy-8-((4-(1-(4-((4-hydroxyphenyl)azo)phenyl)cyclohexyl)phenyl)azo)naphthalene-1,3-disulphonateDisodium 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-[1-[4-[2-(4-hydroxyphenyl)diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2)RefChem:4153641,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-1-4-(4-hydroxyphenyl)azophenylcyclohexylphenylazo-, disodium salt229-396-5Acid Orange 336507-77-3C.I. Acid orange 33
Show more names
Orange 33C.I.24780
Properties
Computed structural properties
- Topological polar surface area
- 221 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 12
- Rotatable bonds
- 6
- Heavy atoms
- 50
- Formal charge
- 0
- Complexity
- 1,310
Physicochemical properties
- EPA Substance Registry System
- 1 · 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt (6507-77-3)
- Symbol(GHS)
- 7 · GHS07,GHS09
- Signal word
- Warning
- Hazard statements
- 411 · H411-H319
- Precautionary statements
- 264 · P264-P280-P305+P351+P338-P337+P313P
- 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 5.3% (7 of 133) of reports.
Warning
H319 (92.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P273, P280, P305+P351+P338, P337+P317, P391, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 133 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-1-4-(4-hydroxyphenyl)azophenylcyclohexylphenylazo-, disodium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesEye Irrit. 2 (92.5%)
Safety data
- tsca
- TSCA listed
- Signal word
- Warning
- Symbol(GHS)
- GHS07,GHS09
- Hazard statements
- H411-H319
- Precautionary statements
- P264-P280-P305+P351+P338-P337+P313P
Chemistry & industry
Uses & manufacturing
General Manufacturing Information1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-[1-[4-[2-(4-hydroxyphenyl)diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2): ACTIVE
Applications
UsesC.I. Acid orange 33 is an acidic orange-yellow dye that can be adsorbed and removed by bentone.
Preparation methods
Preparation1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling.
Upstream & downstream products
Upstream raw materials
Suppliers21 total
Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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