Home >> Product >> Benzene ring series >> Trifluoroacetic anhydride
- Product Name: Trifluoroacetic anhydride
- Synonyms: Aceticacid,trifluoro-,anhydride;Anhydrid kyseliny trifluoroctove;anhydridkyselinytrifluoroctove;Hexafluoroacetic anhydride;hexafluoroaceticanhydride
- CAS No.: 407-25-0
- Molecular Formula: C4F6O3
- Molecular Weight : 210.03
- Specification : 98%
- Place of Origin: China
- Appearance :
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Description of Trifluoroacetic anhydride
| Trifluoroacetic anhydride Chemical Properties | |
| Melting point | -63.5 °C |
| Boiling point | 39.5-40 °C(lit.) |
| density | 1.511 g/mL at 20 °C(lit.) |
| vapor pressure | 6.28 psi ( 20 °C) |
| refractive index | n |
| Fp | -26 °C |
| storage temp. | 2-8°C |
| solubility | Miscible with benzene, dichloromethane, diethyl ether, dimethylformamide, terahydrofuran and acetonitrile. |
| form | Liquid |
| color | Clear |
| Water Solubility | Hydrolysis |
| Sensitive | Moisture Sensitive |
| BRN | 746197 |
| Stability: | Stable, but moisture sensitive. Reacts with water to liberate hydrogen (flammable!). Incompatible with water, strong oxidizing agents. |
| CAS DataBase Reference | 407-25-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Acetic acid, trifluoro-, anhydride(407-25-0) |
| EPA Substance Registry System | Acetic acid, trifluoro-, anhydride(407-25-0) |
| Safety Information | |
| Hazard Codes | C,T |
| Risk Statements | 14-20-35-52/53-34-23/24/25 |
| Safety Statements | 26-36/37/39-43-45-61-9-8-28A-27 |
| RIDADR | UN 3265 8/PG 1 |
| WGK Germany | 2 |
| RTECS | AJ9800000 |
| F | 3-10 |
| Hazard Note | Corrosive/Moisture Sensitive |
| TSCA | T |
| HazardClass | 8 |
| PackingGroup | I |
| HS Code | 29159080 |
| Trifluoroacetic anhydride Usage And Synthesis | |
| Chemical Properties | Clear, colorless liquid |
| Uses | Used as analytical reagents, solvents, catalysts, dehydration condensing agent, protection agent of trifluoroacetylation of carboxyl and amino; used as Intermediate of fluorine fine chemicals, pharmaceutical, agrochemical. |
| Purification Methods | Purification by distilling over KMnO4, as for the acid above, is EXTREMELY DANGEROUS due to the possiblility of EXPLOSION. It is best purified by distilling from P2O5 slowly, and collecting the fraction boiling at 39.5o. Store it in a dry atmosphere. Highly TOXIC vapour and attacks skin, work in an efficient fume hood. [Beilstein 2 IV 469.] |
| Trifluoroacetic anhydride Preparation Products And Raw materials | |
| Preparation Products | Chlorfenapyr-->2-Chloro-4-(trifluoromethyl)pyrimidine-->2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carbaldehyde-->(2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidin-4-yl)methanamine-->Ethyl 2-(4-hydroxypiperidin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxylate-->1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-->Ethyl 2-(4-(hydroxymethyl)piperidin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxylate-->1-[4-(TRIFLUOROMETHYL)PYRIMID-2-YL]PIPERAZINE-->ETHYL 5-AMINO-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLATE-->2-Hydroxymethyl-5-bromopyridine-->3-Nitroisonicotinic acid-->Ethyl 2-(4-(ethoxycarbonyl)piperidin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxylate-->5-Bromopyridine-2-carbaldehyde-->N10-(TRIFLUOROACETYL)PTEROIC ACID-->tert-Butyl 4-[4-(trifluoromethyl)pyrimidin-2-yl]piperazine-1-carboxylate ,97%-->2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carbonitrile-->2-HYDROXY-6-(TRIFLUOROMETHYL)NICOTINIC ACID-->(2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidin-4-yl)methanol-->2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxamide-->3-CHLORO-5-NITROPYRIDINE-->2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidin-4-amine-->2,6-DICHLORO-4-ISOCYANATOPYRIDINE-->2-Hydroxy-4-(trifluoromethyl)pyrimidine-->2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxylic acid-->Ethyl 2-(4-methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carboxylate-->2-(Bromomethyl)-6-methylpyridine-->2-BROMO-4-(TRIFLUOROMETHYL)PYRIMIDINE-->6-Aminobenzothiazole-->5-Iodo-2,4-dimethoxypyrimidine-->2-(METHYLTHIO)-4-(TRIFLUOROMETHYL)PYRIMIDINE-->2-(TRIFLUOROACETYL)THIOPHENE-->[Bis(trifluoroacetoxy)iodo]benzene-->3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride-->2-CYANO-4-PYRIDINE CARBOXYLIC ACID-->3-(Trifluoromethyl)pyrazole |
| Raw materials | Trifluoroacetic acid-->DICHLOROACETIC ANHYDRIDE |
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