4-Bromo-3-methylbenzoic acid
- CAS NO.:7697-28-1
- Empirical Formula: C8H7BrO2
- Molecular Weight: 215.04
- MDL number: MFCD00039526
- EINECS: 231-713-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-15 19:19:13
What is 4-Bromo-3-methylbenzoic acid?
Synthesis
A suspension of 4-Amino-3-methylbenzoic acid (73 g, 0.483 mol) in water (411 mL) and 47percent HBr (486 mL) was stirred at 25 ℃ for 1 h and then the reaction mixture was cooled to -2 ℃. A solution of sodium nitrate (32 g, 0.463 mol) in water (100 mL) was added to the reaction mixture over 15 min, maintaining the temperature at -1 ℃ to -2°C. The reaction mixture was stirred at -1 ℃ to -2 ℃ for 1.5h. The reaction mixture was added slowly to a suspension of copper(l)bromide (73 g, 0.508 mol) in water (73 mL) and aqueous HBr (73 mL). The reaction mixture was stirred at 250C for 1 h and then digested at 70 °C for 1 h. The solid was filtered, washed with water till the pH of the filtrate was 7 and dried to obtain 4-Bromo-3-methylbenzoic acid.
Properties of 4-Bromo-3-methylbenzoic acid
Melting point: | 212-216 °C(lit.) |
Boiling point: | 311.4±30.0 °C(Predicted) |
Density | 1.599±0.06 g/cm3(Predicted) |
storage temp. | Sealed in dry,Room Temperature |
form | Powder |
pka | 4.04±0.10(Predicted) |
color | Yellow to orange to tan |
BRN | 2356649 |
CAS DataBase Reference | 7697-28-1(CAS DataBase Reference) |
Safety information for 4-Bromo-3-methylbenzoic acid
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4-Bromo-3-methylbenzoic acid
InChIKey | KWVXDZLVCISXIB-UHFFFAOYSA-N |
Abamectin manufacturer
Molsyns Research
BASR Fine Chemicals Pvt. Ltd.
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