Ice Acetic Acid Baidu Encyclopedia
Ice Acetic Acid Baidu Encyclopedia,
ice acetic acid, ice acetic acid content, ice acetic acid manufacturer, Ice acetic acid supplier, which is the best one for ice acetic acid,
Quality specification(GB/T 1628-2008)
Analysis items |
Specification |
||
Super Grade |
First Grade |
Normal Grade |
|
Appearance |
Clear and free of suspended matter |
||
Colour(Pt-Co) |
≤10 |
≤20 |
≤30 |
Assay % |
≥99.8 |
≥99.5 |
≥98.5 |
Moisture % |
≤0.15 |
≤0.20 |
—- |
Formic Acid % |
≤0.05 |
≤0.10 |
≤0.30 |
acetaldehyde % |
≤0.03 |
≤0.05 |
≤0.10 |
Evaporation Residue % |
≤0.01 |
≤0.02 |
≤0.03 |
Iron(Fe) % |
≤0.00004 |
≤0.0002 |
≤0.0004 |
Permanganate Time min |
≥30 |
≥5 |
—- |
Physicochemical properties:
1. Colorless liquid and irritating dour.
2. Melting point 16.6 ℃; boiling point 117.9℃; Flash point : 39 ℃.
3. Solubility water, ethanol, benzene and ethyl ether immiscible, insoluble in carbon disulphide.
Storage:
1. Stored in a cool, ventilated warehouse.
2. Keep away from the fire, heat. The cold season should maintain a temperature higher than 16 DEG C, to prevent solidification. During cold season, temperature should be maintained above 16 DEG C to prevent/avoid solidification.
3. Keep the container sealed. Should be separated from the oxidant and alkali. Mixing should be avoided by all means.
4. Use explosion-proof lighting, ventilation facilities.
5. Mechanical equipment and tools that prohibit the use of easy to produce sparks.
6. Storage areas should be equipped with emergency treatment equipment and suitable housing materials.
Use:
1.Derivative:Mainly used in synthetising acetic anhydride,acetic ether,PTA, VAC/PVA,CA,ethenone,chloroacetic acid,etc
2.Pharmaceutical:Acetic acid as solvent and pharmaceuticalraw materials, mainly used for production of penicilin G potas-sium, penicilin G sodium, penicillin procaine, acetanilide,sulfadiazine, and sulfamethoxazole isoxazole, norfloxacin,ciprofloxacin, acetyl salicylic acid, non phenacetin, prednisone,caffeine, etc.
3.Intermediate:acetate ,sodium hydrogen di,peracetic acid,etc
4.Dyestuff and textile printing and dyeing:Mainly used inproducing disperse dyes and vat dyes,and textile printing anddyeing processing
5. Synthesis ammonia: In the form of cuprammonia acetate,used in refining syngas to remove a litl CO and CO2
6. Photograph: Developer
7. Natural rubber: Coagulant
8. Construction industry: Preventing concrete from frezing9. In addtin also widely used in the water treatment, syntheticfiber, pesticides, plastics, leather, paint, metal processing andrubber industry
Acetic acid, also known as acetic acid or glacial acetic acid, with the chemical formula CH Å COOH, is an organic monobasic acid that is the source of sourness and pungent odors in vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless, hygroscopic liquid with a freezing point of 16.7 ℃ (62 ℉). After solidification, it becomes a colorless crystal. Although acetic acid is a weak acid based on its dissociation ability in aqueous solution, it is corrosive and its vapor has irritating effects on the eyes and nose.