4-Chloro-2-methylphenylboronic acid

Modify Date: 2024-01-02 13:35:31

4-Chloro-2-methylphenylboronic acid Structure
4-Chloro-2-methylphenylboronic acid structure
Common Name 4-Chloro-2-methylphenylboronic acid
CAS Number 209919-30-2 Molecular Weight 170.401
Density 1.3±0.1 g/cm3 Boiling Point 314.9±52.0 °C at 760 mmHg
Molecular Formula C7H8BClO2 Melting Point 193-195°C
MSDS Chinese USA Flash Point 144.2±30.7 °C

 Names

Name (4-chloro-2-methylphenyl)boronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 314.9±52.0 °C at 760 mmHg
Melting Point 193-195°C
Molecular Formula C7H8BClO2
Molecular Weight 170.401
Flash Point 144.2±30.7 °C
Exact Mass 170.030594
PSA 40.46000
LogP 2.64
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.549

 MSDS

4-Chloro-2-methylphenylboronic Acid (contains varying Revision number: 6
amounts of Anhydride)
SAFETY DATA SHEET

Section1. IDENTIFICATION
Product name:4-Chloro-2-methylphenylboronic Acid (contains varying amounts of Anhydride)

Revision number:6

Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
HEALTH HAZARDS
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Warning
Signal word
Hazard statementsCauses skin irritation
Causes serious eye irritation
Precautionary statements:
Wash hands thoroughly after handling.
[Prevention]
Wear protective gloves/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
[Response]
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash before reuse.

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
4-Chloro-2-methylphenylboronic Acid (contains varying amounts of Anhydride)
Components:
Percent:....
209919-30-2
CAS Number:
Synonyms:4-Chloro-2-methylbenzeneboronic Acid (contains varying amounts of Anhydride) , 4-
Chloro-o-tolylboronic Acid (contains varying amounts of Anhydride)
Chemical Formula:C7H8BClO2
varying amounts of Anhydride)

Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical:generate poisonous fume.
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a cool and dark place.
Store away from incompatible materials such as oxidizing agents.
Comply with laws.
Packaging material:

Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Safety glasses. A face-shield, if the situation requires.
Eye protection:
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Solid
varying amounts of Anhydride)

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Form:Crystal- Powder
Colour:White - Very pale yellow
Odour:No data available
pH: No data available
Melting point/freezing point:195°C
Boiling point/range:No data available
Flash point:No data available
Flammability or explosive
limits:
Lower:No data available
Upper:No data available
Relative density:No data available
Solubility(ies):
[Water]No data available
[Other solvents]
Soluble:Methanol

Section10. STABILITY AND REACTIVITY
Stable under proper conditions.
Chemical stability:
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide, Boron oxides , Hydrogen chloride
products:

Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
Reproductive toxicity:No data available

Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
No data available
Crustacea:
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo data available
potential(BCF):
Mobility in soil
No data available
Log Pow:
Soil adsorption (Koc):No data available
No data available
Henry's Law
constant(PaM3/mol):

Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.
varying amounts of Anhydride)

Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not listed

Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
HS Code 2931900090

 Synthetic Route

~79%

4-Chloro-2-methylphenylboronic acid Structure

4-Chloro-2-meth...

CAS#:209919-30-2

Literature: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY; OSCOTEC INC. Patent: WO2005/123054 A1, 2005 ; Location in patent: Page/Page column 23 ;

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

4-Chloro-o-tolylboronic Acid
4-Chloro-2-methylphenylboronic Acid
MFCD02683107
(4-Chloro-2-methylphenyl)boronic acid
Boronic acid, B-(4-chloro-2-methylphenyl)-
4-chloro-o-tolueneboronic acid
4-chloro-2-methylbenzeneboronic acid
2-methyl-4-chlorophenyl-boronic acid