N-(naphthalen-1-yl)ethane-1,2-diamine
N-1-Naphthylethylenediamine Dihydrochloride
CAS: 1465-25-4
Molecular Formula: C12H16Cl2N2
N-(naphthalen-1-yl)ethane-1,2-diamine - Names and Identifiers
N-(naphthalen-1-yl)ethane-1,2-diamine - Physico-chemical Properties
| Molecular Formula | C12H16Cl2N2 |
| Molar Mass | 259.17 |
| Melting Point | 200 °C |
| Boling Point | 370.7°C at 760 mmHg |
| Flash Point | 209.7°C |
| Water Solubility | soluble |
| Solubility | : passes test |
| Vapor Presure | 1.08E-05mmHg at 25°C |
| Appearance | Powder |
| Color | White to beige or pink |
| Merck | 14,6409 |
| BRN | 3707471 |
| PH | 1.0 (25g/l, H2O, 20℃) |
| Storage Condition | Store at RT. |
| Stability | Air Sensitive, Hygroscopic |
| Sensitive | Light Sensitive & Hygroscopic |
N-(naphthalen-1-yl)ethane-1,2-diamine - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R39/23/24/25 - R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection 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 | KV5330000 |
| FLUKA BRAND F CODES | 3-8-9-23 |
| TSCA | Yes |
| HS Code | 29215990 |
N-(naphthalen-1-yl)ethane-1,2-diamine - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| trait | white to yellowish brown or gray crystalline solid or off-white powder. |
| naphthyl ethylenediamine hydrochloride colorimetric method | naphthyl ethylenediamine hydrochloride colorimetric method is also called "Saltzman method". Solution absorption chemical method for the Colorimetric Determination of nitrogen oxides (NOx) after collection. The nitrogen oxides in the atmosphere are oxidized into NO2 through a Chromium Trioxide Oxidation tube, and then absorbed in solution to generate nitrous acid, and then the nitrogenation reaction with sulfanilic acid is carried out, and then the azo compound of Rose Red is generated by coupling with naphthalene ethylenediamine hydrochloride, according to the shade of color, colorimetric quantitative. |
| Storage Conditions | keep the receptacle sealed and stored in a cool, dry place, ensure that the workshop has good ventilation or exhaust. |
| purpose | reagent for determination of sulfonamides Environmental protection reagent, hydrochloric acid naphthalene ethylenediamine colorimetric method for the determination of nitrogen oxides and other aniline in the atmosphere, as well as the determination of sulfonamides and nitrite, but also the Spectral determination of aminophenol, phenylenediamine, dinitroaniline, chloro aniline compounds, thiols and sulfonamides, etc. for determination of folic acid, potassium, nitrite and sulfate; For spectrophotometric detection of aminophenol, phenylenediamine, dinitroaniline, chloroaniline, mercaptan and sulfanilamide |
| production method | 1.? Will alpha? -Bromonaphthalene and ethylenediamine are reacted by heating under pressure, and then hydrochloric acid is added to the produced N-1-naphthyl ethylenediamine to form a salt, and crystals are precipitated. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | intraperitoneal-mouse LD50: 150 mg/kg |
| flammability hazard characteristics | toxic hydrogen chloride and nitrogen oxide gases emitted by heat |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| fire extinguishing agent | water, carbon dioxide, sand, foam |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-09-26 09:08:01
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