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Cas Database

506-96-7

506-96-7

Identification

  • Product Name:Acetyl bromide

  • CAS Number: 506-96-7

  • EINECS:208-061-7

  • Molecular Weight:122.949

  • Molecular Formula: C2H3BrO

  • HS Code:2915.90 Oral rat LD50: 730 mg/kg

  • Mol File:506-96-7.mol

Synonyms:Acetic acid, bromide;Ethanoyl bromide;

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Safety information and MSDS view more

  • Pictogram(s):CorrosiveC

  • Hazard Codes:C

  • Signal Word:Danger

  • Hazard Statement:H226 Flammable liquid and vapourH314 Causes severe skin burns and eye damage H412 Harmful to aquatic life with long lasting effects

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. In case of skin contact Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . In case of eye contact First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. If swallowed Rinse mouth. Do NOT induce vomiting. Refer for medical attention . Inhalation produces primary irritation of the respiratory tract; symptoms of lung damage may be delayed. Contact with liquid produces primary irritation of eyes and severe skin damage; delayed blistering is not uncommon. INGESTION: Sore throat, abdominal pain, and vomiting. (USCG, 1999) Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist respirations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. Activated charcoal is not effective ... . Do not attempt to neutralize because of exothermic reaction. Cover skin burns with dry, sterile dressings after decontamination ... . /Organic acids and related compounds/

  • Fire-fighting measures: Suitable extinguishing media CARBON DIOXIDE, DRY CHEMICAL. ... Special Hazards of Combustion Products: Toxic and irritating hydrogen bromide fumes may form in fires. Behavior in Fire: Do not apply water to adjacent fires. Reacts with water to produce toxic and irritating gases. (USCG, 1999) Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Personal protection: complete protective clothing including self-contained breathing apparatus. Evacuate danger area! Ventilation. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent. Then store and dispose of according to local regulations. Cover any spills with sufficient amt of sodium bicarbonate. Remove the mixture in a container such as a fiber drum, plastic bag or carton box for easy disposal in an incinerator, and dispose of by burning in a furnace or spread the material on the ground. Wash the spilled spot thoroughly with water.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Separated from food and feedstuffs. See Chemical Dangers. Dry. Well closed. Ventilation along the floor.Storage temperature: ambient.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. 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 Wear dust mask when handling large quantities. Thermal hazards

Supplier and reference price

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  • Manufacture/Brand:TRC
  • Product Description:Acetyl bromide
  • Packaging:10g
  • Price:$ 55
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  • Manufacture/Brand:TCI Chemical
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:Acetyl bromide for synthesis. CAS No. 506-96-7, EC Number 208-061-7., for synthesis
  • Packaging:8219260100
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:Acetyl bromide 99%
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:Acetyl bromide 99%
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:Acetyl bromide for synthesis. CAS No. 506-96-7, EC Number 208-061-7., for synthesis
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  • Manufacture/Brand:Matrix Scientific
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Relevant articles and documentsAll total 26 Articles be found

Rate coefficients for the reactions CH3 + Br2 (224-358 K), CH3CO + Br2 (228 and 298 K), and Cl + Br 2 (228 and 298 K)

Khamaganov,Crowley

, p. 575 - 585 (2010)

Rate coefficients for the reactions of CH3 + Br2 (k2), CH3CO + Br2 (k3), and Cl + Br2 (k5) were measured using the laser-pulsed photolysis method combined with detection of the product Br atoms using resonance fluorescence. For the reactions involving organic radicals, the rate coefficients were observed to increase with decreasing temperature and within the temperature range explored, were adequately described by Arrhenius-like expressions: k2 (224-358 K) = 1.83×10-11 exp(252/T) and k3 (228-298 K) = 2.92×10-11 exp(361/T) cm 3 molecule-1 s1. The total, temperature-independent uncertainty for each reaction (including possible systematic errors in Br2 concentration measurement) was estimated as ~7% for k2 and 10% for k3. Accurate data on k5 was obtained at 298 K, with a value of 1.88×10-10 cm3 molecule-1 s-1 obtained (with an associated error of 6%). A limited data set at 228 K suggests that k5 is, within experimental uncertainty, independent of temperature.

Mapping-Out Catalytic Processes in a Metal–Organic Framework with Single-Crystal X-ray Crystallography

Burgun, Alexandre,Coghlan, Campbell J.,Huang, David M.,Chen, Wenqian,Horike, Satoshi,Kitagawa, Susumu,Alvino, Jason F.,Metha, Gregory F.,Sumby, Christopher J.,Doonan, Christian J.

, p. 8412 - 8416 (2017)

Single-crystal X-ray crystallography is employed to characterize the reaction species of a full catalytic carbonylation cycle within a MnII-based metal–organic framework (MOF) material. The structural insights explain why the Rh metalated MOF is catalytically competent toward the carbonylation of MeBr but only affords stoichiometric turn-over in the case of MeI. This work highlights the capability of MOFs to act as platform materials for studying single-site catalysis in heterogeneous systems.

-

Krisher,Wilson

, p. 882,885, 886 (1959)

-

Synthesis method for organic synthesis of intermediate acetyl bromide

-

Paragraph 0014; 0015, (2018/07/30)

The invention relates to a synthesis method for organic synthesis of an intermediate acetyl bromide. The method mainly includes the steps of: adding 3mol acetamide into a reaction container, raising the temperature to 50-55DEG C, controlling the stirring speed at 110-130rpm, slowly adding 4-5mol hydrogen bromide, then raising the temperature of the solution to 80-85DEG C, maintaining reflux for 90-110min, conducting reduced pressure distillation, collecting 50-55DEG C fraction, conducting washing with an acetone solution and a hexane solution respectively, and conducting dehydration with a dehydrant, thus obtaining the finished product acetyl bromide.

METHOD FOR PRODUCING a-HALO-TETRAACYL-GLUCOSE

-

, (2016/01/29)

There is provided an efficient and excellent preparation method of an α-halo-tetraacyl-glucose which is suitable for industrial preparation, which comprises reacting D-glucose or lower alkyl D-glucoside with a reactive derivative of a carboxylic acid and a metal halide to prepare the α-halo-tetraacyl-glucose represented by the formula (III): wherein R represents an optionally substituted lower alkyl group or an optionally substituted aryl group, and X represents a halogen atom, in one step, and the resulting α-halo-tetraacyl-glucose (III) can be converted into a compound of the formula (I) or a salt thereof by subjecting to a conventional method.

Photochemical reactions of acyl iodides with aryl halides

Voronkov,Vlasova,Belousova,Vlasov,Vakul'Skaya,Prozorova,Khutsishvili

, p. 17 - 21 (2013/03/29)

Photochemical reactions of acyl iodides RC(O)I (R = Me, Ph) with aryl halides, fluoro-, chloro-, and bromobenzenes, 1,4-dibromobenzene, 2- and 3-bromotoluenes, and 4-bromo-1,2-dimethylbenzene, were studied. Acetyl iodide reacted with chloro- and bromobenzenes and 1,4-dibromobenzene according to the exchange pattern to give iodobenzene and 1,4-diiodobenzene, respectively. No halogen exchange was observed in the reactions of acetyl iodide with fluorobenzene and hexafluorobenzene. Benzoyl iodide failed to react with chloro- and brombenzene under UV irradiation but underwent polycondensation with formation of black nonfusible oligomers which were found to possess paramagnetic and semiconducting properties. Ultraviolet irradiation of a mixture of MeCOI with 2- or 3-bromotoluene, as well as with 4-bromo-1,2-dimethylbenzene, also led to the formation of polymeric products as a result of polycondensation of aryl iodides formed initially via replacement of bromine by iodine. Irradiation of benzoyl iodide in 2- or 3-bromotoluene involved recombination of benzoyl radicals to give benzil as the only product.

Photochemical reactions of acyl iodides with haloarenes

Vlasova,Belousova,Vlasov,Vakul'Skaya,Khutsishvili,Voronkov

scheme or table, p. 164 - 166 (2011/12/15)

-

Process route upstream and downstream products

Process route

phosphorus(V) bromide
7789-69-7

phosphorus(V) bromide

acetic acid
64-19-7,77671-22-8

acetic acid

Acetyl bromide
506-96-7

Acetyl bromide

hydrogen bromide
10035-10-6,12258-64-9

hydrogen bromide

phosphorus(V) oxybromide
7789-59-5

phosphorus(V) oxybromide

Conditions
Conditions Yield
In neat (no solvent); reaction with effervescence;;
Essigsaeure-(α-brombenzyl)ester
40796-37-0

Essigsaeure-(α-brombenzyl)ester

Acetyl bromide
506-96-7

Acetyl bromide

benzaldehyde
100-52-7

benzaldehyde

Conditions
Conditions Yield
In chloroform-d1; at 20 ℃; Equilibrium constant;
D-glucose
50-99-7

D-glucose

Acetyl bromide
506-96-7

Acetyl bromide

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
572-09-8

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide

Conditions
Conditions Yield
acetamide
60-35-5

acetamide

Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With hydrogen bromide; at 55 - 85 ℃; for 1.83333h; Temperature;
94%
acetic acid
64-19-7,77671-22-8

acetic acid

Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With bromocyane; triphenylphosphine;
74%
With phosphorus tribromide;
With acetic anhydride; phosphorus tribromide;
With phosphorus; bromine;
With phosphorus tribromide;
Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With diethyl ether; hydrogen bromide; at 0 ℃;
With chloroform; bromine; at -5 ℃;
Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With diethyl ether; hydrogen bromide; at 30 - 32 ℃;
Acetyl bromide
506-96-7

Acetyl bromide

1-bromoheptan-2-one
16339-93-8

1-bromoheptan-2-one

Conditions
Conditions Yield
With chloroform; bromine; at -5 ℃;
methyl bromide
74-83-9

methyl bromide

carbon monoxide
201230-82-2

carbon monoxide

Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With [Mn3(bis(4-(4-carboxylatephenyl)-1H-3,5-dimethylpyrazolyl)methane)2(bis(dimethylpyrazol-1-yl)methane)]*[Rh(CH3CN)2(COMe)Br]Br; In acetonitrile; at 80 - 120 ℃; for 10.3333h; under 7763.28 Torr; Sealed tube;
acetyl chloride
75-36-5

acetyl chloride

Acetyl bromide
506-96-7

Acetyl bromide

Conditions
Conditions Yield
With pyridine; tributyltin bromide; at 40 ℃; Thermodynamic data; Equilibrium constant;
With hydrogen bromide; at -80 ℃;
With hydrogen bromide;
With aluminium trichloride; hydrogen bromide;

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