Osbon AC
peracetic acid
CAS: 79-21-0
Molecular Formula: C2H4O3
Osbon AC - Names and Identifiers
| Name | peracetic acid |
| Synonyms | Osbon AC peracetic acid PERACETIC ACID acideperacetique PEROXYACETIC ACID Peroxyacetic Acid Acide peracetique ethaneperoxoic acid Peracetic acid solution 4,4'-Di(methoxy)-azobenzene |
| CAS | 79-21-0 |
| EINECS | 201-186-8 |
| InChI | InChI=1/C2H4O3/c1-2(3)5-4/h4H,1H3 |
Osbon AC - Physico-chemical Properties
| Molecular Formula | C2H4O3 |
| Molar Mass | 76.05 |
| Density | 1.19g/mLat 20°C |
| Melting Point | -44 °C |
| Boling Point | 105 °C |
| Flash Point | 41 °C |
| Water Solubility | soluble, >=10 g/100 mL at 19 ºC |
| Vapor Presure | Low |
| Color | Colorless liquid |
| Odor | Acrid odor |
| Merck | 13,7229 |
| BRN | 1098464 |
| pKa | 8.2(at 25℃) |
| Storage Condition | 2-8°C |
| Stability | Unstable - may explode on heating. May react violently with organic materials. Incompatible with strong oxidizing agents, acetic anhydride, alkenes, organics. |
| Refractive Index | n20/D 1.391 |
| Physical and Chemical Properties | colorless transparent liquid with weak acidity and strong irritating acetic acid odor. Volatile. |
| Use | Mainly used for textiles, paper, grease, paraffin, starch bleaching agent, medicine as a fungicide, organic synthesis as oxidation, ring oxidant |
Osbon AC - Risk and Safety
| Risk Codes | R7 - May cause fire R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R35 - Causes severe burns R50 - Very Toxic to aquatic organisms R10 - Flammable R34 - Causes burns R22 - Harmful if swallowed R20 - Harmful by inhalation |
| Safety Description | 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.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S3/7 - S23 - Do not breathe vapour. S14A - S14 - Keep away from ... (a list of incompatible materials will follow). S60 - This material and its container must be disposed of as hazardous waste. S9 - Keep container in a well-ventilated place. S7 - Keep container tightly closed. S3 - Keep in a cool place. |
| UN IDs | UN 3109 5.2 |
| WGK Germany | 2 |
| RTECS | SD8750000 |
| FLUKA BRAND F CODES | 4.4-8 |
| HS Code | 29159000 |
| Hazard Class | 5.2 |
| Packing Group | II |
| Toxicity | LD50 (mg/kg) in rats: 1540 orally; in rabbits: 1410 dermally; LC50 in rats (mg/m3): 450 by inhalation (Klopotek) |
Osbon AC - Nature
Open Data Verified Data
colorless transparent liquid, a weak acid, a strong irritating acetic acid odor, volatile. Soluble in water and organic solvents, solubility similar to acetic acid. Active oxygen content is generally about 21%, is a peroxide, chemical reaction activity is high, and organic matter, reducing agent, flammable materials such as sulfur, phosphorus, etc. when in contact with or mixed with the risk of combustion explosion. Flammable, heated to 100 ° C that is violent decomposition, contact with open flame, high heat or by friction vibration, impact can be an explosion.
Last Update：2024-01-02 23:10:35
Osbon AC - Preparation Method
Open Data Verified Data
obtained by the reaction of acetic acid and hydrogen peroxide in the presence of sulfuric acid. Or cobalt acetate, tartrate as a catalyst, with acetone or ethyl acetate as a solvent, under a certain temperature and pressure, air directly into the acetaldehyde solution oxidation to produce peroxyacetic acid.
Last Update：2022-01-01 09:29:16
Osbon AC - Use
Open Data Verified Data
is a green ecological fungicide, without any residue in the environment. It has good compatibility with some commonly used scale and corrosion inhibitors in cooling water. Sterilization ability, can be used as a disinfectant for circulating cooling water and oil field water treatment, can also be used for infectious diseases Disinfection, drinking water Disinfection, fabric Disinfection and food industry. Is a very promising fungicide, its performance is better than glutaraldehyde and isothiazolinone. Peracetic acid is also used as a bleaching agent for textiles, paper, grease, paraffin and starch. In organic synthesis as oxidation and epoxide for propylene oxide, glycerol, caprolactam synthesis.
Last Update：2022-01-01 09:29:16
Osbon AC - Safety
Open Data Verified Data
rat oral LD50:1540mg/kg; Guinea pig oral LD50: 10mg/kg; Rabbit percutaneous LDso:1410mg/kg I rat inhalation LCso: 450mg/kg. Toxic, strongly irritating to the skin and eyes. Staff should be protected. Peracetic acid is unstable, the storage process will gradually natural decomposition, in the light or heating, easy to cause rapid decomposition and explosion. Store in a dark and cool place at a temperature below 10 °c. Avoid putting together with organic products. According to the provisions of toxic, flammable and explosive chemicals storage and transportation.
Last Update：2022-01-01 09:29:17
Osbon AC - Reference Information
| LogP | -0.26 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | mainly used as bleaching agent for textiles, paper, grease, paraffin, starch, medicine as fungicide, in organic synthesis, it is used as oxidizing and epoxidizing agent disinfectant. General dosage workshop Disinfection 0.2g/m3; Tools container with 0.2% ~ 0.5% solution soak; Fruits, vegetables with 0.2% solution soak (inhibit mold); Fresh eggs with 0.1% solution soak; use 0.5% liquid Disinfection food-grade water for 20s. A 91GB 2760 can be used as processing aids. The product is used as a bleaching agent for textiles, paper, grease, paraffin and starch, as an oxidant and epoxide in organic synthesis, such as for propylene oxide, glycerol, caprolactam, glycerol, epoxy plasticizers and synthesis. Peracetic acid has high efficiency and rapid bactericidal effect on bacterial propagules, Spore fungi, yeast and bacteria. It can be used as a fungicide for infectious diseases Disinfection, drinking water Disinfection and food Disinfection. Also used as an insecticide. |
| production method | 1. From the reaction of acetic acid and hydrogen peroxide. 2. Prepared by direct oxidation of acetaldehyde. From the oxidation of acetaldehyde. Hydrogen peroxide is synthesized with glacial acetic acid (or acetic anhydride) under the catalysis of sulfuric acid. |
| category | oxidant |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1540 mg/kg; Oral-mouse LD50: 210 mg/kg |
| stimulation data | Skin-rabbit 500 mg severe; Eye-rabbit 1 mg severe |
| explosive hazard characteristics | thermal, reductant, metal ion can be exploded |
| flammability hazard characteristics | combustible under heat and open flame; Combustion-induced smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Light loading and light unloading; With organic matter, reducing agent, sulfur, separate storage of phosphorus flammability |
| fire extinguishing agent | carbon dioxide, water mist, foam |
| spontaneous combustion temperature | Explodes when heated to 110°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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