1,3-DiMethyl-1H-pyrazole-4-boronic acid pinacol ester
Modify Date: 2024-01-02 13:07:11
 1,3-DiMethyl-1H-pyrazole-4-boronic acid pinacol ester structure | Common Name | 1,3-DiMethyl-1H-pyrazole-4-boronic acid pinacol ester |
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| CAS Number | 1046832-21-6 | Molecular Weight | 222.092 |
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| Density | 1.0±0.1 g/cm3 | Boiling Point | 322.3±30.0 °C at 760 mmHg |
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| Molecular Formula | C11H19BN2O2 | Melting Point | 75 °C |
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| MSDS | N/A | Flash Point | 148.7±24.6 °C |
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Names
| Name | 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.0±0.1 g/cm3 |
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| Boiling Point | 322.3±30.0 °C at 760 mmHg |
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| Melting Point | 75 °C |
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| Molecular Formula | C11H19BN2O2 |
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| Molecular Weight | 222.092 |
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| Flash Point | 148.7±24.6 °C |
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| Exact Mass | 222.153961 |
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| PSA | 36.28000 |
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| LogP | 1.02770 |
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| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
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| Index of Refraction | 1.504 |
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MSDS
Material Safety Data Sheet
Section1. Identification of the substanceProduct Name: 1,3-Dimethyl-1H-pyrazole-4-boronic acid,pinacol esterSynonyms:
Section2. Hazards identificationHarmful by inhalation, in contact with skin, and if swallowed. H302:Harmful if swallowed
H315:Causes skin irritation
H319:Causes serious eye irritation
H335:May cause respiratory irritation
P261:Avoid breathing dust/fume/gas/mist/vapours/spray
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
Section3. Composition/information on ingredients.
Ingredient name:1,3-Dimethyl-1H-pyrazole-4-boronic acid,pinacol ester
CAS number:1046832-21-6
Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.
Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.
Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels, refrigerated.
Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.
Section9. Physical and chemical properties
Appearance:Not specified
No data
Boiling point:
Melting point:No data
Flash point:No data
Density:No data
Molecular formula: C11H19BN2O2
Molecular weight: 222.1
Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.
Section11. Toxicological information
No data.
Section12. Ecological information
No data.
Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.
Section14. Transportation information
Non-harzardous for air and ground transportation.
Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.
SECTION 16 - ADDITIONAL INFORMATION
N/A
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Safety Information
| Hazard Codes | Xi |
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| WGK Germany | 2.0 |
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| HS Code | 2933199090 |
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Precursor & DownStream
| Precursor 5 | Previous 1/2 Next |
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 CAS#:5775-82-6
AKOS B019512
 CAS#:61676-62-8
Isopropoxyboron...
 CAS#:73183-34-3
Bis(pinacolato)...
 CAS#:936250-20-3
3-Methyl-1H-pyr...
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| DownStream 0 |
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Customs
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Company Profile
Our company is a high-tech enterprise specializing in chemical raw materials such as electronic materials, optoelectronic materials, semiconductor materials, UV monomers, silane catalysts, cosmetic raw materials, etc. The company integrates research and development, production, customized synthesis, and sales, and is committed to providing customers with high-quality chemical product solutions.
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