Basic information
- CAS
6406-56-0- Standard SMILES
O=S(=O)(O)c1ccc(N=Nc2ccc(N=Nc3c(O)ccc4ccccc34)cc2)cc1.[Na+]- InChIKey
QERXHBDEEFLTOL-UHFFFAOYSA-N- Molecular formula
- C22H16N4NaO4S+
- Average molar mass
- 455.4 g/mol
- Monoisotopic mass
- 455.07899546
Names & identifiers
- Preferred name
- Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
- IUPAC
- sodium 4-[[4-[(2-hydroxynaphthalen-1-yl)diazenyl]phenyl]diazenyl]benzenesulfonic acid
- English name
- Acid red 151
- Molecular formula
- C22H16N4O4S.Na
- Molecular weight
- 455.44
Names & synonyms
Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonateRefChem:887063229-029-9Cloth ScarletMerpacyl Red LSilk Scarlet GLBenzyl Red GSilk Red BFast Silk Red TRRed LAzo Silk Red 3BSilk Red 3B
Show more names
redlCI 26900Red F2Rsilkredbsilkred3bpolanredbrAcid Red BLazosilkred3bclothscarletAcid red 151
Amacid Neutral Red BWCalcocid Milling Red 3RTertracid Milling Scarlet GFC.I. Acid Red 151, monosodium saltC.I. 26900Polan Red BREINECS 229-029-9NSC 47723
Database identifiers
- CAS
6406-56-0- PubChem CID
- 22907
- EC Number
- 229-029-9
Properties
Computed structural properties
- Topological polar surface area
- 132 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 5
- Heavy atoms
- 32
- Formal charge
- 1
- Complexity
- 737
Physicochemical properties
- Boiling point
- 855.43 ℃[at · 855.43℃[at 101 325 Pa]
- Density
- 1.41 · 1.41[at 20℃]
- vapor pressure
- 0 Pa · 0Pa at 25℃
- form
- Powder
- color
- Brown
- Water Solubility
- 10 mg/L · 10mg/L at 25℃
- LogP
- 2.68 at · 2.68 at 25℃
- EPA Substance Registry System
- 151 · C.I. Acid Red 151, monosodium salt (6406-56-0)
- Hazard statements
- 412 · H412
- Precautionary statements
- 273 · P273-P501
- RTECS
- 7084500 · DB7084500
- TSCA
- TSCA listed
- REACH Registrations
- Inactive
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 46.2% (12 of 26) of reports.
H412 (46.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P273, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 26 reports by companies from 4 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory InformationREACH registered substance: Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate (EC: 229-029-9)
Hazard Classes and CategoriesAquatic Chronic 3 (46.2%)
Safety data
- tsca
- TSCA listed
- rtecs
- DB7084500
- Hazard statements
- H412
- REACH Registrations
- Inactive
- Precautionary statements
- P273-P501
Chemistry & industry
Applications
UsesC.I. Acid red 151 is an acid red dye that can be adsorbed and removed by bentone clay.
Preparation methods
Preparation4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling.
Upstream & downstream products
Upstream raw materials
Suppliers28 total
爱斯特（成都）生物制药股份有限公司+86-28-85122536 85324413 · [email protected]
上海仲因实业有限公司2537653158 16621191650 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
上海迈瑞尔生化科技有限公司4006356688 18621169109 · [email protected]
安耐吉化学&3A（安徽泽升科技股份有限公司）400-0056266 · [email protected]
武汉丰泰威远科技有限公司+86-27-8746-5837 +86-18627785180 · [email protected]
武汉丰泰威远科技有限公司027-87465837 19945049750 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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