Identification | More | [Name]
4-Nitrophthalic anhydride | [CAS]
5466-84-2 | [Synonyms]
4-NITROPHTHALIC ANHYDRIDE 5-NITRO-ISOBENZOFURAN-1,3-DIONE TIMTEC-BB SBB008431 1,3-Isobenzofurandione, 5-nitro- 4-Nitrophthalic acid anhydride 4-nitrophthalicacidanhydride 4-nitro-phthalicanhydrid 5-nitro-1,3-isobenzofurandione 5-Nitro-2-benzofuran-1,3-dione 5-nitro-3-isobenzofurandione Phthalic anhydride, 4-nitro- 4-Nitro Phthalic Anhydride p-Nitro Phthalic Anhydride 4-Nitrophthalicanhydride,95% 4-Nitro-o-phthalicanhydride
p-NitroPhthalicAnhydride 4-NITROPHTHALIC ANHYDRIDE: TECH., 90% 5-Nitrophthalic anhydride | [EINECS(EC#)]
226-776-2 | [Molecular Formula]
C8H3NO5 | [MDL Number]
MFCD00005922 | [Molecular Weight]
193.11 | [MOL File]
5466-84-2.mol |
Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . R20/22:Harmful by inhalation and if swallowed . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . S22:Do not breathe dust . | [WGK Germany ]
3
| [RTECS ]
TI3328000
| [F ]
10-21 | [TSCA ]
Yes | [HS Code ]
29173990 |
Hazard Information | Back Directory | [General Description]
Yellow powder. | [Reactivity Profile]
4-NITROPHTHALIC ANHYDRIDE(5466-84-2) reacts exothermically with water. The reactions are usually slow, but might become violent if local heating accelerates their rate. Acids accelerate the reaction with water. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. | [Air & Water Reactions]
Reacts with water. The organic acids produced by this reaction are significantly more soluble in water. | [Fire Hazard]
Flash point data for this chemical are not available, however 4-NITROPHTHALIC ANHYDRIDE is probably combustible. | [Chemical Properties]
off-white to light yellow-brown powder | [Uses]
5-Nitrophthalic Anhydride is used in the preparation of phthalic acids as well as compounds with anticonvulsant activities. | [Preparation]
4-Nitrophthalic anhydride is synthesized by hydrolysis of 4-nitrophthalimide and then dehydration. The 4-nitrophthalimide was added to the sodium hydroxide solution, heated and boiled for 15min. Adjust pH to 6-8 with nitric acid, and add nitric acid to boil for 5 min. Cooling, filtering, the filtrate was extracted with ether, the extract was dried and then the ether was evaporated, that is, 4-Nitrophthalic anhydride crystals were precipitated. Yield 95%. | [Purification Methods]
Distil the anhydride in a vacuum and/or recrystallise it from *C6H6 or Et2O/pet ether. Dry it in vacuo. It forms addition compounds with anthracene (m 118o), and phenanthrene (m 96o). [Beilstein 17 III/IV 6150, 17/11 V 267.] | [Precautions]
Moisture Sensitive. Store away from strong bases and oxidizing agents. Incompatible with water, bases, strong acids and oxidizing agents. |
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