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

Names

[ CAS No. ]:
6305-43-7

[ Name ]:
2,3-Butanedione,1,4-dibromo-

[Synonym ]:
MFCD00000205
1,4-dibromobutane-2,3-dione
EINECS 228-615-1

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

MSDS

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

[ 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

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%

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...


More Articles


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