Basic information
- CAS
2868-75-9- Standard SMILES
COc1cc(-c2ccc(N=Nc3cc(S(=O)(=O)[O-])c4ccccc4c3N)c(OC)c2)ccc1N=Nc1cc(S(=O)(=O)[O-])c2ccccc2c1N.[Na+].[Na+]- InChIKey
XVJNOIOHMFFFIP-UHFFFAOYSA-L- Molecular formula
- C34H26N6Na2O8S2
- Average molar mass
- 756.7 g/mol
- Monoisotopic mass
- 756.10489235
Names & identifiers
- Preferred name
- C.I. Direct Red 7, disodium salt
- IUPAC
- disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-1-sulfonate
- English name
- Benzopurpurin 10B
- Molecular formula
- C34H29N6NaO8S2
- Molecular weight
- 736.75
Names & synonyms
C.I. Direct Red 7, disodium saltDTXSID7073307RefChem:1080559DTXCID1037850Benzopurpurin 10B2868-75-9Atul Direct Red 10BPurpurine 10BErie Cardinal 7BDiphenyl Red 10BDirect Red 10BHispamin Red 10B
Show more names
CI 24100DIRECT RED 7C.I.Direct Red 7Direct Boardeux-BWDirect red 7 (C.I. 24100)C.I.Direct Red 7:C.I.24100disodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)
Benzopurpurine 10BDBenzopurpurine 10BSAtul Direct Rubine ABenzo Purpurine 10BAmanil Purpurine 10BDiazol Purpurine 10BDirect Purpurine 10BTertrodirect Red 10B
Database identifiers
- CAS
2868-75-9- PubChem CID
- 17871
- DTXSID
DTXSID7073307- UNII
- ST874UM9UN
- EC Number
- 220-691-4
- Nikkaji
- J35.956D
Properties
Computed structural properties
- Topological polar surface area
- 251 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 14
- Rotatable bonds
- 7
- Heavy atoms
- 52
- Formal charge
- 0
- Complexity
- 1,290
Physicochemical properties
- EPA Substance Registry System
- 1 · 1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-, disodium salt (2868-75-9)
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
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Chemistry & industry
Preparation methods
Preparation3,3′-Dimethoxylbenzidine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
Upstream & downstream products
Upstream raw materials
Suppliers9 total
HONEST JOY HOLDINGS LIMITED[email protected]
Keshav Chemicals[email protected]
Leancare Ltd.[email protected]
西格玛奥德里奇（上海）贸易有限公司21-20338288 · [email protected]
PFALTZ-BAUER[email protected]
CITY—
City Chemical LLC[email protected]
OCEAN TRADING CORPORATION[email protected]
Ria Dyes and Chemicals Co[email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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