2,3-Butanedione,1,4-dibromo-

Modify Date: 2024-01-09 21:47:51

2,3-Butanedione,1,4-dibromo- Structure
2,3-Butanedione,1,4-dibromo- structure
 Common Name 2,3-Butanedione,1,4-dibromo-
CAS Number 6305-43-7 Molecular Weight 243.88100
Density 2.117g/cm3 Boiling Point 213ºC at 760 mmHg
Molecular Formula C4H4Br2O2 Melting Point 117-119°C
MSDS Chinese USA Flash Point 86ºC
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 1,4-Dibromo-2,3-Butanedione
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.117g/cm3
Boiling Point 213ºC at 760 mmHg
Melting Point 117-119°C
Molecular Formula C4H4Br2O2
Molecular Weight 243.88100
Flash Point 86ºC
Exact Mass 241.85800
PSA 34.14000
LogP 0.91440
Index of Refraction 1.539

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EK2850000
CHEMICAL NAME :
2,3-Butanedione, 1,4-dibromo-
CAS REGISTRY NUMBER :
6305-43-7
BEILSTEIN REFERENCE NO. :
0970154
LAST UPDATED :
199707
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C4-H4-Br2-O2
MOLECULAR WEIGHT :
243.90
WISWESSER LINE NOTATION :
E1VV1E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
9400 ug/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Gastrointestinal - other changes Nutritional and Gross Metabolic - other changes
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 31,297,1963
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00598
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
21 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema Liver - hepatitis (hepatocellular necrosis), diffuse
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 31,297,1963

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R23/24/25;R34
Safety Phrases S26-S36/37/39-S37/39-S27
RIDADR 1759
RTECS EK2850000
Packaging Group III
Hazard Class 8
HS Code 2914700090

 Synthetic Route

butane-2,3-dione structure

butane-2,3-dione

CAS#:431-03-8

~63%

2,3-Butanedione,1,4-dibromo- Structure

2,3-Butanedione...

CAS#:6305-43-7
Literature: Liu, Qing-Xiang; Yao, Zhao-Quan; Zhao, Xiao-Jun; Zhao, Zhi-Xiang; Wang, Xiu-Guang Organometallics, 2013 , vol. 32, # 12 p. 3493 - 3501
2,3-bis(trimethylsilyloxy)-2-butene structure

2,3-bis(trimeth...

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~%

2,3-Butanedione,1,4-dibromo- Structure

2,3-Butanedione...

CAS#:6305-43-7
Literature: Synthesis, , p. 236 - 253
diazomethane structure

diazomethane

CAS#:186581-53-3
ethanedioyl bromide structure

ethanedioyl bromide

CAS#:15219-34-8

~%

2,3-Butanedione,1,4-dibromo- Structure

2,3-Butanedione...

CAS#:6305-43-7
Literature: Chemische Berichte, , vol. 49, p. 1976
3-Bromopyruvic acid structure

3-Bromopyruvic acid

CAS#:1113-59-3

~%

meso-2,3-Dibromosuccinic acid structure

meso-2,3-Dibrom...

CAS#:526-78-3
Succinic acid structure

Succinic acid

CAS#:110-15-6
Bromoacetic acid structure

Bromoacetic acid

CAS#:79-08-3
Detail
Literature: International Journal of Chemical Kinetics, , vol. 32, # 7 p. 408 - 418

 Customs

HS Code 2914700090
Summary HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

 Articles2

More Articles
Diastereoselective formation of a dicopper(i) helicate with a chiral tetradentate pyridylthiazole ligand.

Chem. Commun. (Camb.) (15) , 1999-2001, (2009)

Reaction of a pinene-based pyridylthioamide with 1,4-dibromo-2,3-butanedione in refluxing methanol yielded a new chiral pyridylthiazole ligand L which forms a dinuclear double-stranded helicate with C...
Cysteinyl peptides labeled by dibromobutanedione in reaction with rabbit muscle pyruvate kinase.

Protein Sci. 1(5) , 678-87, (1992)

The bifunctional reagent 1,4-dibromobutanedione (DBBD) reacts covalently with pyruvate kinase from rabbit muscle to cause inactivation of the enzyme at a rate that is linearly dependent on the reagent...

 Synonyms

MFCD00000205
1,4-dibromobutane-2,3-dione
EINECS 228-615-1
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Chemsrc provides 2,3-Butanedione,1,4-dibromo-(CAS#:6305-43-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 2,3-Butanedione,1,4-dibromo- are included as well.>> amp version: 2,3-Butanedione,1,4-dibromo-

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