104-91-6
4-Nitrosophenol
CAS: 104-91-6
Molecular Formula: C6H5NO2
104-91-6 - Names and Identifiers
| Name | 4-Nitrosophenol |
| Synonyms | quinone oxime nitrosophenol 2-nitrosophenol 4-Nitrosophenol quinone monoxime p-benzoquinone monoxime sodium 4-nitrosophenolate |
| CAS | 104-91-6 |
| EINECS | 203-251-6 |
| InChI | InChI=1/C6H5NO2/c8-6-4-2-1-3-5(6)7-9/h1-4,8H |
104-91-6 - Physico-chemical Properties
| Molecular Formula | C6H5NO2 |
| Molar Mass | 123.109 |
| Density | 1.236g/cm3 |
| Melting Point | 132-144℃ |
| Boling Point | 241.822°C at 760 mmHg |
| Flash Point | 100.051°C |
| Water Solubility | <0.1 g/100 mL at 21℃ |
| Vapor Presure | 0.023mmHg at 25°C |
| Refractive Index | 1.564 |
| Physical and Chemical Properties | Characteristic light yellow needle-like crystals. melting point 126~128 ℃ solubility: soluble in ethanol, ether, acetone, slightly soluble in water, soluble in alkali solution, Brown, diluted into green. |
104-91-6 - Nature
Open Data Verified Data
light yellow needle-like crystals. The melting point was 126-128 °c. The decomposition point was 144 °c. Brown at 126 ℃. Soluble in ethanol, ether, acetone, slightly soluble in water, soluble in alkali Brown, diluted into green. If mixed with impurities, contact with concentrated acid, alkali or flame, will cause combustion or explosion.
Last Update：2024-01-02 23:10:35
104-91-6 - Preparation Method
Open Data Verified Data
p-nitrochlorobenzene was hydrolyzed under heating and pressure in sodium hydroxide solution. After reaction, cooling, acidification, re-cooling, crystallization, centrifugal separation, to obtain the finished product.
Last Update：2022-01-01 10:50:19
104-91-6 - Use
Open Data Verified Data
organic intermediates, can be used for the production of rubber crosslinking agent, vulcanized blue BRN, vulcanized blue BBF, vulcanized reduction blue RNX. Can also produce antipyretic analgesic paracetamol and so on.
Last Update：2022-01-01 10:50:19
104-91-6 - Safety
Open Data Verified Data
- This product is toxic. Flammable. Contact with the skin can cause poisoning. Production operators should wear protective equipment. The production site should be well ventilated. The equipment should be closed.
- The composite woven bag is lined with polyethylene dark bag, and the net weight of each bag is 50kg or log/kg. Should be stored in a cool, ventilated, dry warehouse. Keep away from the fire, and do not store and mix with food additives.
Last Update：2022-01-01 10:50:20
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CAS: 104-91-6
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CAS: 104-91-6
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