Hexadimethrine bromide

Modify Date: 2025-09-01 19:10:38

Hexadimethrine bromide Structure
Hexadimethrine bromide structure
Common Name Hexadimethrine bromide
CAS Number 28728-55-4 Molecular Weight 404.27
Density N/A Boiling Point 209.5ºC at 760 mmHg
Molecular Formula C15H36Br2N2 Melting Point N/A
MSDS Chinese USA Flash Point 73.9ºC
Symbol GHS07
GHS07
Signal Word Warning

 Use of Hexadimethrine bromide


Hexadimethrine bromide is a cationic polymer discovered to enhance retroviral transduction.

 Names

Name Sequa-brene
Synonym More Synonyms

 Hexadimethrine bromide Biological Activity

Description Hexadimethrine bromide is a cationic polymer discovered to enhance retroviral transduction.
Related Catalog
In Vitro Hexadimethrine bromide inhibits human mesenchymal stem cell proliferation during lentiviral transduction. Hexadimethrine bromide is considered non-toxic at low concentrations, but has been found to negatively affect cell proliferation in some cell types at concentrations greater than 10 µg/mL. Trypsinized cells exposed to Hexadimethrine bromide are visibly larger in size when viewed under the microscope[1].
Cell Assay Trypsinized cells are washed and resuspended in medium at 2×104 cells/mL with or without rhFGF-2 (final concentration=10 ng/mL, PeproTech) and with or without Hexadimethrine bromide at a final Hexadimethrine bromide concentration of 1, 4, or 8 µg/mL. The different conditions are seeded in 96-well plates at 1×103 cells in 50 µL per well in triplicate and cultured at 37°C, 5% CO2. After 6, 9, or 24 hr, the medium is changed and subsequent medium changes occurred every 3-4 days with 50 µL of ± FGF-2 medium (10 ng/mL). Plates are harvested on day 4, 7, 14, and 21 by removing the medium and placing the plates in the -80°C freezer until the day of analysis. The CyQUANT assay is then performed on the wells[1].
References

[1]. Lin P, et al. Polybrene inhibits human mesenchymal stem cell proliferation during lentiviral transduction. PLoS One. 2011;6(8):e23891.

 Chemical & Physical Properties

Boiling Point 209.5ºC at 760 mmHg
Molecular Formula C15H36Br2N2
Molecular Weight 404.27
Flash Point 73.9ºC
Vapour Pressure 0.202mmHg at 25°C
Storage condition 2-8℃

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TQ2655000
CHEMICAL NAME :
Poly((dimethyliminio)hexamethylene(dimethylimino)trim ethylene dibromide)
CAS REGISTRY NUMBER :
28728-55-4
LAST UPDATED :
199703
DATA ITEMS CITED :
4
WISWESSER LINE NOTATION :
/E3E &1N1&5N1&1/

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4013507
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4013507
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 37,267,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
28 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4013507

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn: Harmful;
Risk Phrases R20/21/22
RIDADR UN 2811
RTECS TQ2655000
Packaging Group III
Hazard Class 6.1(b)

 Articles46

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Polyomavirus T antigens activate an antiviral state.

Virology 476 , 377-85, (2015)

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Polybrene: Observations on cochlear hair cell necrosis and minimal lentiviral transduction of cochlear hair cells.

Neurosci. Lett. 600 , 164-70, (2015)

Polybrene is widely used to enhance viral transduction; however, little is known about the utility thereof, in enhancing lentiviral transduction of cochlear cells. In the present study, we examined th...

 Synonyms

Hexadimethrine bromide,Polybrene
HEXADIMETHRINE BROMIDE
1,5-Dimethyl-1,5-diazaundecamethylene polymethobromide,Polybrene
MFCD00133397
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