MONOBROMOACETIC ACID
Bromoacetic acid
CAS: 79-08-3
Molecular Formula: C2H3BrO2
MONOBROMOACETIC ACID - Names and Identifiers
MONOBROMOACETIC ACID - Physico-chemical Properties
| Molecular Formula | C2H3BrO2 |
| Molar Mass | 138.95 |
| Density | 1 |
| Melting Point | 46-49°C |
| Boling Point | 208°C(lit.) |
| Flash Point | >110°C |
| Water Solubility | miscible |
| Solubility | chloroform: soluble10%, clear, colorless |
| Vapor Presure | 1 mm Hg @ 550C |
| Appearance | Crystalline Mass or Crystalline Powder, Flakes, Crystals and/or Chunks |
| Color | White to yellow |
| Merck | 14,1400 |
| BRN | 506167 |
| pKa | 2.69(at 25℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | Light Sensitive & Hygroscopic |
| Refractive Index | 1.4804 (estimate) |
| Physical and Chemical Properties | Character: colorless crystals. melting point 50 ℃ boiling point 208 ℃ relative density 1.93g/cm3 soluble in water, ethanol, ether. Soluble in acetone, benzene. |
| Use | For Organic synthesis |
MONOBROMOACETIC ACID - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R35 - Causes severe burns R50 - Very Toxic to aquatic organisms R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R38 - Irritating to the skin |
| 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. S36 - Wear suitable protective clothing. S16 - Keep away from sources of ignition. |
| UN IDs | UN 3425 8/PG 2 |
| WGK Germany | 2 |
| RTECS | AF5950000 |
| FLUKA BRAND F CODES | 3-19-23 |
| TSCA | Yes |
| HS Code | 29159000 |
| Hazard Note | Toxic/Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
MONOBROMOACETIC ACID - Nature
Open Data Verified Data
colorless crystals, melting point 50 °c. Boiling point 208 °c. Density 1.93G/cm3. Soluble in water, ethanol, ether. Soluble in acetone, benzene. Deliquescence.
Last Update：2024-01-02 23:10:35
MONOBROMOACETIC ACID - Preparation Method
Open Data Verified Data
- using acetic acid as a raw material, bromine was added dropwise in the presence of pyridine for reaction.
- is prepared by the reaction of chloroacetic acid with hydrobromic acid.
- is obtained by reacting glycolic acid with hydrobromic acid.
Last Update：2022-01-01 10:31:42
MONOBROMOACETIC ACID - Application
Open Data Verified Data
pesticides, pharmaceutical intermediates. Its esters can also be produced.
Last Update：2025-08-19 16:24:40
MONOBROMOACETIC ACID - Safety
Open Data Verified Data
This product irritates the skin, mucous membrane, causes the burn. More toxic than chloroacetic acid. Rat oral LD50lOOmg/kg. The production workshop should be ventilated, the equipment should be sealed, and the operator should wear protective equipment (protective glasses, masks, gloves, protective clothing, etc.).
Lined with a plastic bag, the jacket is packaged in a wooden barrel or stainless steel barrel. Sun protection, moisture-proof. Store in a cool, dry and ventilated place. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:31:43
MONOBROMOACETIC ACID - Reference Information
| LogP | -2.3 at 22℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | bromoacetic acid is a raw material for the preparation of ω-bromo-2, 4-dichloroacetophenone, intermediates of triazole fungicides such as propiconazole. intermediates in organic synthesis. Used in the production of pesticides and pharmaceuticals. Its esters can also be produced. for organic synthesis |
| production method | 1. Acetic acid is used as a raw material, and bromine is added dropwise in the presence of pyridine for reaction. 2. By the reaction of chloroacetic acid and hydrobromic acid. Derived from the reaction of glycolic acid with hydrobromic acid. obtained by reaction of bromine with pyridine as a solvent in a mixture of acetic anhydride and anhydrous acetic acid. Reaction equation: CH3COOH Br2 → BrCH2COOH HBr |
| category | corrosive article |
| toxicity grade | high toxicity |
| Acute toxicity | abdominal injection-rat LD50: 50 mg/kg; Oral-mouse LD50: 100 mg/kg |
| flammability hazard characteristics | flammable; Toxic bromide smoke from heating |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants and alkalis. |
| fire extinguishing agent | Sand, foam, water mist, carbon dioxide |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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