(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one
Sudan I
CAS: 842-07-9
Molecular Formula: C16H12N2O
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Names and Identifiers
| Name | Sudan I |
| Synonyms | Sudan I Yellow R C.I. 12055 Oil yellow 1010 Solvent Yellow 14 Oil-soluble Yellow R sudan I (C.I. 12055) 1-Phenylazo-2-naphthol C.I. Solvent Yellow 14 C.I. Disperse Yellow 97 1-[(E)-phenyldiazenyl]naphthalen-2-ol 1-(phenylhydrazono)naphthalen-2(1H)-one (1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one |
| CAS | 842-07-9 |
| EINECS | 212-668-2 |
| InChI | InChI=1/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H/b18-17+ |
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Physico-chemical Properties
| Molecular Formula | C16H12N2O |
| Molar Mass | 248.28 |
| Density | 1.175g/cm3 |
| Melting Point | 131-133℃ |
| Boling Point | 443.653°C at 760 mmHg |
| Flash Point | 290.196°C |
| Water Solubility | 0.5 g/L (30℃) |
| Solubility | Soluble in ether, benzene and carbon disulfide into orange-yellow solution, soluble in concentrated sulfuric acid into dark red, insoluble in water and alkali solution. |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Morphology Powder |
| Color | Orange to red or brown |
| pKa | 13.50±0.40(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Incompatible with strong oxidizing agents. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.634 |
| MDL | MFCD00003911 |
| Physical and Chemical Properties | Chemical properties yellow powder. Melting point 134 ℃, insoluble in water, slightly soluble in ethanol, soluble in grease and mineral oil, soluble in acetone and benzene. It is an orange-red solution in ethanol; it is magenta in concentrated sulfuric acid, and orange-yellow precipitate is produced after dilution; it is a red solution after heating in concentrated hydrochloric acid, and after cooling, it forms dark green hydrochloride crystals. |
| Use | Used as a biological stain and oil colorant, etc |
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R40 - Limited evidence of a carcinogenic effect R43 - May cause sensitization by skin contact R53 - May cause long-term adverse effects in the aquatic environment R68 - Possible risk of irreversible effects |
| Safety Description | S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. S46 - If swallowed, seek medical advice immediately and show this container or label. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | 2 |
| RTECS | QL4900000 |
| HS Code | 32129000 |
| Toxicity | mmo-sat 300 ng/plate SCIEAS 236,933,87 |
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Upstream Downstream Industry
| Raw Materials | Aniline Aniline-2-sulfonic acid 5-Oxo-1-(2-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid Aniline 2-Naphthol |
| Downstream Products | 1-Amino-2-naphthol |
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Reference
| Reference Show more | 1. Mu Qin, Xu Li. Effects of Different tomato varieties on the quality of fermented tomato paste [J]. China brewing 2018 37(10):135-139. 2. Zhang Baoquan, Wang, Li Yun. Preparation of Al-beta molecular sieve coating on stainless steel mesh and its application in oil-water separation [J]. Journal of Chemical Engineering, 2019 v.70(10):384-391. 3. Li, Yun, Xizhi, and Baoquan Zhang. "One-step fabrication of the pure-silica zeolite beta coating on college steel mesh for efficient oil/water separation." Industrial & Engineering Chemistry Research 57.51 (2018): 17409-17416.https:// doi.org/10.1021 4. [IF = 3.645] Youqing Sun et al."Electromagnetic dispersive solid-phase extraction based on polyaniline-coated magnetite/silica materials for the determination of Sudan red I in drinks."J Sep Sci. 2021 Sep;44(17):3279-3286 5. [IF=4.367] Linghan Deng et al."Dehydrofluorination and one-pot hydrothermal process for polyvinylidene fluoride/polytetrafluoroethylene@TiO2 membranes with durable superhydrophobicity toward repeatable separating and photodegrading oily dyes in water-in-oil emulsions |
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Nature
| Solubility | DMSO (Slightly), Ethyl Acetate (Slightly) |
| color index | 12055 |
| (IARC) Carcinogen Classification | 3 (Vol. 8, Sup 7) 1987 |
| NIST chemical information | 2-Naphthalenol, 1-(phenylazo)-(842-07-9) |
| EPA chemical information | C. I. Solvent Yellow 14 (842-07-9) |
Last Update：2024-04-10 22:29:15
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Uses and synthesis methods
Production method
Using aniline and 2-naphthol as raw materials, the former is first diazotized, and then coupled with the latter to obtain the product. The finished product is filtered, dried and crushed..
category
Toxic substances
flammability hazard characteristics
Thermal decomposition discharges toxic nitrogen oxide smoke
storage and transportation features
Warehouse ventilation low temperature drying
Fire extinguishing agent
Water, dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent
Last Update：2024-04-10 22:29:15
(1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one - Security information
| toxic substance data | 842-07-9(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
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Product Name: Sudan I Visit Supplier Webpage Request for quotationCAS: 842-07-9
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Spot supply
Product Name: Sudan I Request for quotationCAS: 842-07-9
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685
Spot supply
Product Name: Sudan I Request for quotationCAS: 842-07-9
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Multiple SpecificationsSpot supply
Product Name: Sudan I Visit Supplier Webpage Request for quotationCAS: 842-07-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History
Raw Materials for (1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one
Aniline
Aniline-2-sulfonic acid
5-Oxo-1-(2-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid
Aniline
2-Naphthol
Aniline-2-sulfonic acid
5-Oxo-1-(2-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid
Aniline
2-Naphthol
Downstream Products for (1Z)-1-(phenylhydrazono)naphthalen-2(1H)-one