ChemicalBook >> CAS DataBase List >>1-(4-Nitrophenylazo)-2-naphthol
1-(4-Nitrophenylazo)-2-naphthol
- CAS No.
- 6410-10-2
- Chemical Name:
- 1-(4-Nitrophenylazo)-2-naphthol
- Synonyms
- PIGMENT RED 1;PARA RED;Para Re;C.I.12070;Para Toner;Pararot ;CIPIGMENTRED1;Para Red, pure;Para Red Toner;100 μg/mL in THF
- CBNumber:
- CB8357315
- Molecular Formula:
- C16H11N3O3
- Molecular Weight:
- 293.28
- MDL Number:
- MFCD00003908
- MOL File:
- 6410-10-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-09-12 18:55:41
| Melting point | 248-252 °C |
|---|---|
| Boiling point | 435.13°C (rough estimate) |
| Density | 1.2211 (rough estimate) |
| refractive index | 1.6500 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly, Heated) |
| pka | 13.45±0.50(Predicted) |
| Colour Index | 12070 |
| form | solid |
| color | Red |
| λmax | 488 nm |
| BRN | 680469 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Major Application |
cleaning products cosmetics food and beverages personal care |
| InChI | 1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H |
| InChIKey | WOTPFVNWMLFMFW-UHFFFAOYSA-N |
| SMILES | Oc1ccc2ccccc2c1N=Nc3ccc(cc3)[N+]([O-])=O |
| CAS DataBase Reference | 6410-10-2(CAS DataBase Reference) |
| FDA UNII | D54Q24K2EI |
| EPA Substance Registry System | C.I. Pigment Red 1 (6410-10-2) |
| UNSPSC Code | 85151701 |
| NACRES | NA.47 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 24/25-36-26-36/37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | QL4510000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29270000 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
1-(4-Nitrophenylazo)-2-naphthol price More Price(41)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 40446 | Pararot analytical standard | 6410-10-2 | 100mg | $334 | 2026-04-30 | Buy |
| Sigma-Aldrich | 100994 | Para Red Dye content 95% | 6410-10-2 | 25g | $89.2 | 2026-04-30 | Buy |
| TCI Chemical | P0586 | Para Red | 6410-10-2 | 25g | $35 | 2026-04-30 | Buy |
| Usbiological | 288048 | Para Red Asreported | 6410-10-2 | 50g | $340 | 2026-06-03 | Buy |
| Usbiological | 288048 | Para Red Asreported | 6410-10-2 | 100g | $466 | 2026-06-03 | Buy |
1-(4-Nitrophenylazo)-2-naphthol Chemical Properties, Uses, Production
Chemical Properties
solid
Uses
Para Red is used as a fat soluble chemical dye and food additive. It is a banned colorant and a number of analytical techniques have been developed to detect it in food.
Biological Activity
Para Red may be used to make standards for analysis.
Purification Methods
Crystallise this dye from AcOH or xylene and dry it in vacuo. It has max at 488nm. [Beilstein 16 II 70.]
1-(4-Nitrophenylazo)-2-naphthol Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 121)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Tianjin heowns Biochemical Technology Co., Ltd. | 400 638 7771 | sales@heowns.com | China | 14412 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Maya High Purity Chemicals | +86 (573) 82222445 (0)18006601000 452520369 | sales@maya-r.com | China | 11693 | 57 |
| Shanghai civi chemical technology co.,Ltd | 86-21-34053660 | sale@labgogo.com | China | 9853 | 52 |
| Thermo Fisher Scientific | 800-810-5118 | cnchemical@thermofisher.com | China | 17752 | 75 |
View Latest Price from 1-(4-Nitrophenylazo)-2-naphthol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2019-07-12 | 1-(4-NITROPHENYLAZO)-2-NAPHTHOL
6410-10-2
|
$1.00 | 1KG | 99% | 25kg | Career Henan Chemical Co |
-
- 1-(4-NITROPHENYLAZO)-2-NAPHTHOL
6410-10-2
- $1.00
- 99%
- Career Henan Chemical Co
6410-10-2 (1-(4-Nitrophenylazo)-2-naphthol) Related Search:
1-((4-nitrophenyl)azo)-2-naphthaleno
1-((4-nitrophenyl)azo)-2-naphtho
1-[(4-nitrophenyl)azo]-2-naphthaleno
LABOTEST-BB LT00454132
1-(P-NITROPHENYLAZO)-2-NAPHTHOL
1-(P-NITROPHENYLAZO)-2-NAPHTHOL PARA RED
1-[(4-nitrofenyl)diazenyl]-2-naftol
1-(4-Nitrophenylazo)-2-naphthol Para Red
Para Red, pure 25GR
1-((4-nitrophenyl)azo)-2-naphthalenol
Para Red, pure
CIPIGMENTRED1
1-(4-NITROBENZOL-AZO)-2-NAPHTHOL
Fast Rose Red Lake
1-(4-Nitrophenylazo)-2-naphthol, 1-(p-Nitrophenylazo)-2-naphthol
C.I.12070
Para Red Toner
Para Toner
1-(4-Nitrophenylazo)-2-naphthol -2-naphthol
2-Naphthalenol, 1-(4-nitrophenyl)azo-
1-(4-Nitrophenylazo)naphthalen-2-ol
Pararot
1-((4-Nitrophenyl)diazenyl)naphthalen-2-ol
Para Re
Para Red Standard
100 μg/mL in THF
2-Naphthalenol, 1-[2-(4-nitrophenyl)diazenyl]-
(1E)-1-[(4-nitrophenyl)hydrazinylidene]naphthalen-2-one
C15875000 para Red
Para Red in Acetonitrile
Betamethasone Valerate Impurity 2 (Betamethasone Valerate EP Impurity B)
para Red 100 μg/mL in Acetonitrile
PARA RED
PIGMENT RED 1
1-(4-Nitrophenylazo)-2-naphthol
6410-10-2
C10H6OHNNC6H4NO2
