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21739-92-4 5-Bromo-2-Chlorobenzoic Acid C7H4BrClO2 244-558-5

21739-92-4 5-Bromo-2-Chlorobenzoic Acid C7H4BrClO2 244-558-5

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    21739-92-4 Pharmaceutical Intermediates


    5 Bromo 2 Chlorobenzoic Acid


    C7H4BrClO2 Pharmaceutical Intermediates

  • Product Name
    5-Bromo-2-chlorobenzoic Acid
  • Synonyms
    5-BROMO-2-CHLOROBENZOIC ACID;5-Bromo-2-Chlorobenzoic Acid (BCBA);5-Bromo-2-chlorobenzoic Acid ,99%;5-BROMO-2-CHLOROBENZOIC ACID FOR SYNTHES;5-Bromo-2-chlorobenzoic Acid 97+%
  • CAS
  • MF
  • MW
  • Melting Point
    154-156 °C (lit.)
  • Boiling Point
    324.5±27.0 °C(Predicted)
  • Density
    1.7312 (rough Estimate)
  • Purity
  • Properties
    White To Light Yellow Crystal Powder
  • Place of Origin
  • Brand Name
  • Certification
  • Model Number
  • Minimum Order Quantity
  • Price
  • Packaging Details
    10g 50g 100g 500g 1kg
  • Delivery Time
    3-7 days
  • Payment Terms
    T/T, MoneyGram, BTCcoin
  • Supply Ability
    1kg --100kg

21739-92-4 5-Bromo-2-Chlorobenzoic Acid C7H4BrClO2 244-558-5

SECTION 1: Basic information

5-Bromo-2-chlorobenzoic acid Basic information
Product Name: 5-Bromo-2-chlorobenzoic acid
Synonyms: Benzoic acid, 5-bromo-2-chloro-;2-CHLORO-5-BROMOBENZOIC ACID;5-Bromo-2-chlorobenzoic acid, 98+%;5-BROMO-2-CHLOROBENZOIC ACID;5-Bromo-2-Chlorobenzoic Acid (BCBA);5-Bromo-2-chlorobenzoic acid ,99%;5-BROMO-2-CHLOROBENZOIC ACID FOR SYNTHES;5-Bromo-2-chlorobenzoic acid 97+%
CAS: 21739-92-4
MF: C7H4BrClO2
MW: 235.46
EINECS: 244-558-5
Product Categories: Building Blocks;Carbonyl Compounds;C7;Carboxylic Acids;Chemical Synthesis;Organic Building Blocks;Organic acids;Miscellaneous;Acids & Esters;Bromine Compounds;Chlorine Compounds;Carbonyl Compounds;Carboxylic Acids;Benzoic acid series;blocks;Bromides;Carboxes;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Benzoic acid
Mol File: 21739-92-4.mol
5-Bromo-2-chlorobenzoic acid Structure
5-Bromo-2-chlorobenzoic acid Chemical Properties
Melting point 154-156 °C (lit.)
Boiling point 324.5±27.0 °C(Predicted)
density 1.7312 (rough estimate)
refractive index 1.5590 (estimate)
storage temp. Store below +30°C.
solubility 2.63g/l
pka 2.49±0.25(Predicted)
color Off white colored powder
Water Solubility Soluble in water 2.63 g/L @20°C.
BRN 2691432
CAS DataBase Reference 21739-92-4(CAS DataBase Reference)
NIST Chemistry Reference 5-Bromo-2-chlorobenzoic acid(21739-92-4)
EPA Substance Registry System Benzoic acid, 5-bromo-2-chloro- (21739-92-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 3
Hazard Note Irritant
HazardClass IRRITANT
HS Code 29163900

SECTION 2: Hazard identification

2.1 Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity – single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s) 21739-92-4 5-Bromo-2-Chlorobenzoic Acid C7H4BrClO2 244-558-5 1
Signal word Warning
Hazard statement(s)

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.


P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P317 If skin irritation occurs: Get medical help.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P319 Get medical help if you feel unwell.


P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

2.3 Other hazards which do not result in classification

no data available

SECTION 3: Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
5-bromo-2-chlorobenzoic acid 5-bromo-2-chlorobenzoic acid 21739-92-4 244-558-5 100%

SECTION 4: First-aid measures

4.1 Description of necessary first-aid measures

If inhaled

Move the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.

Following skin contact

Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.

Following eye contact

Rinse with pure water for at least 15 minutes. Consult a doctor.

Following ingestion

Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

no data available

SECTION 5: Fire-fighting measures

5.1 Suitable extinguishing media

Use dry chemical, carbon dioxide or alcohol-resistant foam.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

SECTION 6: Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak.

6.2 Environmental precautions

Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.

SECTION 7: Handling and storage

7.1 Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

7.2 Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

SECTION 8: Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Wear tightly fitting safety goggles with side-shields conforming to EN 166(EU) or NIOSH (US).

Skin protection

Wear fire/flame resistant and impervious clothing. Handle with gloves. Gloves must be inspected prior to use. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

If the exposure limits are exceeded, irritation or other symptoms are experienced, use a full-face respirator.

Thermal hazards

no data available