541-42-4
isopropyl nitrite
CAS: 541-42-4
Molecular Formula: C3H7NO2
541-42-4 - Names and Identifiers
| Name | isopropyl nitrite |
| Synonyms | 2-propanolnitrite isopropyl nitrite propan-2-yl nitrite 1-methylethylnitrite 2-(Nitrosooxy)propane nitrousacidisopropylester nitrousacid,isopropylester isopropylesterkyselinydusite nitrousacid,1-methylethylester |
| CAS | 541-42-4 |
| EINECS | 208-779-0 |
| InChI | InChI=1/C3H7NO2/c1-3(2)6-4-5/h3H,1-2H3 |
541-42-4 - Physico-chemical Properties
| Molecular Formula | C3H7NO2 |
| Molar Mass | 89.09 |
| Density | 1.02 |
| Boling Point | 39℃ |
| Flash Point | -37℃ |
| Vapor Presure | 57.595-61.088kPa at 25℃ |
| Refractive Index | nD20 1.3520 |
541-42-4 - Risk and Safety
| Risk Codes | R8 - Contact with combustible material may cause fire R11 - Highly Flammable R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 1992 |
| Hazard Class | 3.1 |
| Packing Group | I |
541-42-4 - Reference Information
| LogP | 1.79 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| production method | 1. preparation method: add 227.7g(3.3mol) of sodium nitrite and 1L of water to a reaction bottle equipped with a stirrer, a thermometer and a dropping funnel, stir and dissolve, cool to -5 ℃ in an ice salt bath, slowly add a solution prepared by 147g of concentrated sulfuric acid, 60mL of water and 180g(3.0mol) of isopropanol (2) cooled to 0 ℃ in advance. Dropping acceleration is controlled at the reaction solution temperature of -2~0 ℃, about 2 hours to complete. The low temperature reaction was 1.5h. The organic layer is separated, washed with saturated salt water containing a small amount of sodium bicarbonate, dried with anhydrous magnesium sulfate, distilled under reduced pressure, and the fraction of 39~40 ℃/99.08kPa is collected to obtain 190g isopropyl nitrite (1) with a yield of 71%. [16] |
| category | flammable liquid |
| toxicity classification | highly toxic |
| acute toxicity | inhalation-rat LC50: 1250 mg/m3/4 h |
| flammability hazard characteristics | flammability in case of open flame, high temperature and oxidant; combustion produces toxic nitrogen oxide smoke; toxic nitrogen oxide gas in case of light |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants and acids |
| fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent |
| occupational standard | STEL 1 mg/m3 |
Last Update：2024-04-09 20:49:11
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