3,5-Dibromobenzoic acid
- CAS NO.:618-58-6
- Empirical Formula: C7H4Br2O2
- Molecular Weight: 279.91
- MDL number: MFCD00051758
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-03-27 13:45:20
What is 3,5-Dibromobenzoic acid?
Chemical properties
white to light yellow crystal powder
The Uses of 3,5-Dibromobenzoic acid
3,5-Dibromobenzoic acid may be used for the syntheses (+)-menthyl 3,5-dibromobenzoate, di-tert-butyl 4-[2-(tert-butoxycarbonyl)ethyl]-4-(3,5-dibromobenzamido)heptanedioate2, (L)-methyl 2-(3,5-dibromobenzamido)-3-phenylpropanoate.
General Description
3,5-Dibromobenzoic acid is 3,5-dibromo-substituted benzoic acid.
Synthesis
3,5-Dibromobenzoic acid was synthesized from anthranilic acid by bromination, diazotization and additional reactions derived. The bromination reaction is carried out at about 20°C. After the reaction, the crystals are filtered, washed with hot water to remove anthranilic acid and hydrochloric acid, and recrystallized with acetic acid to obtain o-amino-3,5-dibromobenzoic acid; then use sodium nitrite to carry out diazotization in hydrochloric acid at about 0°C, then add the diazonium salt into ethanol containing calcium sulfate at 60-70°C in batches. After the addition is complete, continue stirring for 10 minutes, filter to obtain the crude product, and recrystallize with ethanol to obtain the finished product.
Properties of 3,5-Dibromobenzoic acid
Melting point: | 218-220 °C (lit.) |
Boiling point: | 355.2±32.0 °C(Predicted) |
Density | 1.9661 (rough estimate) |
refractive index | 1.4970 (estimate) |
storage temp. | Sealed in dry,Room Temperature |
solubility | Very faint turbidity in methanol. |
form | powder to crystal |
pka | 3.42±0.10(Predicted) |
color | White to Light yellow |
BRN | 1940691 |
CAS DataBase Reference | 618-58-6(CAS DataBase Reference) |
NIST Chemistry Reference | 3,5-Dibromobenzoic acid(618-58-6) |
Safety information for 3,5-Dibromobenzoic 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,5-Dibromobenzoic acid
Abamectin manufacturer
REDDY N REDDY PHARMACEUTICALS
ALS INDIA LIFE SCIENCES
BASR Fine Chemicals Pvt. Ltd.
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