Basic information
- CAS
3618-58-4- Standard SMILES
O=[N+]([O-])c1ccc2c(N=Nc3c(O)ccc4ccccc34)ccc(S(=O)(=O)[O-])c2c1.[Na+]- InChIKey
RSKWIMPSCVTCQT-UHFFFAOYSA-M- Molecular formula
- C20H12N3NaO6S
- Average molar mass
- 445.4 g/mol
- Monoisotopic mass
- 445.03445057
Names & identifiers
- Preferred name
- Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate
- IUPAC
- sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
- English name
- Eriochrome Black A
- Molecular formula
- C20H13N3O7S.Na
- Molecular weight
- 462.39
Names & synonyms
Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonateSodium 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonateRefChem:887016222-807-9Acid mordant Black 1C.I. Mordant Black 1 (VAN)EINECS 222-807-9NSC 73413D90464sodium;4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonateCI 15710NSC73413
Show more names
NSC-73413CI NO 15710DIAMOND BLACKCHROME BLACK AMORDANT BLACK 1C.I.MORDANTBLACK1Diacromo Black AS
Database identifiers
- CAS
3618-58-4- PubChem CID
- 19237
- EC Number
- 222-807-9
Properties
Computed structural properties
- Topological polar surface area
- 156 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 2
- Heavy atoms
- 31
- Formal charge
- 0
- Complexity
- 750
Physicochemical properties
- Colour Index
- 15710 · 15710
- form
- powder to crystal
- color
- Red to Dark blue to Black
- EPA Substance Registry System
- 1 · 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-, monosodium salt (3618-58-4)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319
- Precautionary statements
- 264 · P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
- 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 97.6% (41 of 42) of all reports.
Not Classified
Aggregated GHS information provided per 42 reports by companies from 3 notifications to the ECHA C&L Inventory.
Hazard information
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H315-H319
- Precautionary statements
- P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Chemistry & industry
Applications
UsesEriochrome Black A is an azo dye that can be removed from water by an adsorbent made of magnetic NiFe2O4 nanoparticles.
Preparation methods
Preparation4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazotization, and Naphthalen-2-ol coupling.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers48 total
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
Aladdin Scientific[email protected]
衢州明锋化工有限公司0570-3062502 13819002126;13819008176 · [email protected]
武汉易泰科技有限公司上海分公司18930552037 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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