4-苯偶氮-1-萘胺
A-naphthyl red hydrochloride
CAS: 131-22-6
Molecular Formula: C16H13N3
4-苯偶氮-1-萘胺 - Names and Identifiers
| Name | A-naphthyl red hydrochloride |
| Synonyms | CI NO 11350 AURORA KA-7777 BENZENEAZO-1-NAPHTHYLAMINE 4-PHENYLAZO-1-NAPHTHYLAMINE A-naphthyl red hydrochloride 4-Benzeneazo-1-naphthylamine 4-(phenylazo)-1-naphthalenamin 4-Benzene-azo-alpha-naphthylamine 4-(phenyldiazenyl)naphthalen-1-amine 4-[(E)-Phenyldiazenyl]-1-naphthalenamine |
| CAS | 131-22-6 |
| EINECS | 205-018-4 |
| InChI | InChI=1/C16H13N3/c17-15-10-11-16(14-9-5-4-8-13(14)15)19-18-12-6-2-1-3-7-12/h1-11H,17H2 |
4-苯偶氮-1-萘胺 - Physico-chemical Properties
| Molecular Formula | C16H13N3 |
| Molar Mass | 247.295 |
| Density | 1.17g/cm3 |
| Melting Point | 124°C |
| Boling Point | 451.4°C at 760 mmHg |
| Flash Point | 226.8°C |
| Vapor Presure | 2.45E-08mmHg at 25°C |
| Appearance | Shape crystals, color Dark red |
| pKa | 2.70(at 25℃) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.647 |
| Physical and Chemical Properties | Chemical properties red-purple luminescent needle-shaped crystals. Melting point 123 ℃, insoluble in water, soluble in alcohol, ether and benzene in a reddish brown solution; slightly soluble in dilute acid in a rose red solution. |
| Use | Use acid-base indicator. PH 4.0 (red) to 5.0 (orange). |
4-苯偶氮-1-萘胺 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | QJ0360000 |
| Toxicity | mma-sat 500 mg/plate AEMIDF 42,641,81 |
4-苯偶氮-1-萘胺 - Upstream Downstream Industry
4-苯偶氮-1-萘胺 - Nature
| melting point | 124°C |
| boiling point | 380.33°C (rough estimate) |
| density | 1.1633 (rough estimate) |
| refractive index | 1.6470 (estimate) |
| solubility | Solubility Virtually insoluble in water; slightly soluble in ethanol; soluble in acetone, benzene,ethyl acetate, toluene, xylene |
| acidity coefficient (pKa) | 2.70(at 25℃) |
| morphology | crystals |
| color index | 11350 |
| color | Dark red |
| pH range of acid-base indicator discoloration | Red (3.7) to yellow (5.0) |
| maximum wavelength (& lambda;max) | 439nm |
| main applications | Display device, semiconductor, sensors, photosensitive materials, recording materials, fooding materials, imaging materials, inks, engraving coatings, lubricants, hair dyes, food storage, dental materials |
| EPA chemical information | 1-Naphthalenamine, 4-(phenylazo)- (131-22-6) |
Last Update：2024-04-10 22:29:15
4-苯偶氮-1-萘胺 - Production method
Diazonium salt is made from aniline, and then coupled with α-naphthylamine.
Last Update：2024-04-10 22:29:15
Supplier List
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CAS: 131-22-6
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Product Name: 4-PHENYLAZO-1-NAPHTHYLAMINE Visit Supplier Webpage Request for quotation
CAS: 131-22-6
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
CAS: 131-22-6
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History
Raw Materials for 4-苯偶氮-1-萘胺
methyl benzenediazoate
4-(phenylazo)-1-naphthol
benzenediazonium
PHENYL AZIDE
Diethyl ether
Sulfuric acid
HYDROXYLAMINE
Nitrobenzene
Ammonia
1-Naphthylamine
4-(phenylazo)-1-naphthol
benzenediazonium
PHENYL AZIDE
Diethyl ether
Sulfuric acid
HYDROXYLAMINE
Nitrobenzene
Ammonia
1-Naphthylamine
Downstream Products for 4-苯偶氮-1-萘胺