Dimidium bromide
- CAS No.
- 518-67-2
- Chemical Name:
- Dimidium bromide
- Synonyms
- 6c46;TRYPADINE;DIMIDIUM BROMIDE;Dimidiniumbromide;Dimidinium bromide;DimidiumBromide>Phenanthridinium1553;Dimidium Bromide 95%;Dimidium bromide, 98+%;DIMIDIUM BROMIDE 1/2 H2O
- CBNumber:
- CB4777081
- Molecular Formula:
- C20H18BrN3
- Molecular Weight:
- 380.28
- MDL Number:
- MFCD00011757
- MOL File:
- 518-67-2.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| Dimidium bromide BioReagent, suitable for fluorescence, ~95% (AT) | 41785 | 250mg | $174 |
| Dimidium bromide BioReagent, suitable for fluorescence, ~95% (AT) | 41785 | 1g | $377 |
| Dimidium bromide for surfactant tests | 1.12130 | 1g | $552 |
| Dimidium bromide for surfactant tests | 1.12130 | 5G | $1800 |
| Dimidium Bromide >98.0%(HPLC)(N) | D1815 | 1g | $198 |
| More product size | |||
| Melting point | 243-248 °C(lit.) |
|---|---|
| bulk density | 380kg/m3 |
| storage temp. | Store below +30°C. |
| solubility | Methanol (Slightly), Water (Slightly) |
| form | Powder |
| color | Dark red to purple |
| Water Solubility | Soluble in water. |
| λmax | 523-528 nm in methanol |
| BRN | 3809779 |
| InChI | InChI=1S/C20H17N3.BrH/c1-23-19-12-15(22)8-10-17(19)16-9-7-14(21)11-18(16)20(23)13-5-3-2-4-6-13;/h2-12,22H,21H2,1H3;1H |
| InChIKey | MQOKYEROIFEEBH-UHFFFAOYSA-N |
| SMILES | C1(C2=CC=CC=C2)[N+](C)=C2C(C=CC(N)=C2)=C2C=CC(N)=CC=12.[Br-] |
| CAS DataBase Reference | 518-67-2(CAS DataBase Reference) |
| FDA UNII | 4LYH37ZZQ2 |
| UNSPSC Code | 12352107 |
| NACRES | NA.32 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi,Xn | |||||||||
| Risk Statements | 36/37/38-40 | |||||||||
| Safety Statements | 26-36-22 | |||||||||
| RIDADR | 2811 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | SF7960500 | |||||||||
| F | 3-8-10 | |||||||||
| HazardClass | 6.1(b) | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29339900 | |||||||||
| Toxicity | LD50 intravenous in mouse: 7300ug/kg | |||||||||
| NFPA 704 |
|
Dimidium bromide price More Price(31)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 41785 | Dimidium bromide BioReagent, suitable for fluorescence, ~95% (AT) | 518-67-2 | 250mg | $174 | 2025-07-31 | Buy |
| Sigma-Aldrich | 41785 | Dimidium bromide BioReagent, suitable for fluorescence, ~95% (AT) | 518-67-2 | 1g | $377 | 2025-07-31 | Buy |
| Sigma-Aldrich | 1.12130 | Dimidium bromide for surfactant tests | 518-67-2 | 1g | $552 | 2025-07-31 | Buy |
| Sigma-Aldrich | 1.12130 | Dimidium bromide for surfactant tests | 518-67-2 | 5G | $1800 | 2025-07-31 | Buy |
| TCI Chemical | D1815 | Dimidium Bromide >98.0%(HPLC)(N) | 518-67-2 | 1g | $198 | 2025-07-31 | Buy |
Dimidium bromide Chemical Properties,Uses,Production
Chemical Properties
Dark red crystals, crystalline powder. slightly soluble in water, soluble in organic solvents such as chloroform, dichloromethane and methanol.
Uses
Dimidium bromide acts as an inhibitor of L-cell growth. It is used as fluorescent probe for nucleic acids and as interchelating agent. It is also useful in the determination of cationic surfactants.
Application
Dimidium Bromide -Disulphine Blue Indicator is used as a general chemical reagent. It is used in two phase method for anionic surfactants determination.It has wide range of application so follow apropriate direction as per application protocol.
Appearance: Blue coloured liquid may have slight green tinge.
Solubility: Miscible with water


Dimidium bromide Preparation Products And Raw materials
Raw materials
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Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jiangsu Boquan Biotechnology Co., Ltd. | +86-18168774353 | boquanshengwu003@boquansw.com | China | 248 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49975 | 58 |
| Career Henan Chemica Co | +86-0371-86658258 +8613203830695 | laboratory@coreychem.com | China | 30229 | 58 |
| RongNa Biotechnology Co.,Ltd | +86-86-13583358881 +8618560316533 | Brad@rongnabiotech.com | China | 3387 | 58 |
| Finetech Industry Limited | +86-27-8746-5837 +8619945049750 | info@finetechnology-ind.com | China | 9629 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52846 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 24727 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +8618058761490 | info@gihichemicals.com | China | 49941 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33338 | 58 |
View Lastest Price from Dimidium bromide manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2025-12-09 | Dimidium bromide
518-67-2
|
0.99 | RongNa Biotechnology Co.,Ltd | ||||
![]() |
2023-07-10 | Dimidium bromide
518-67-2
|
US $2186.00 / g | 5g | 95% | 1000kg | Jiangsu Boquan Biotechnology Co., Ltd. |
-

- Dimidium bromide
518-67-2
- 0.99
- RongNa Biotechnology Co.,Ltd
-

- Dimidium bromide
518-67-2
- US $2186.00 / g
- 95%
- Jiangsu Boquan Biotechnology Co., Ltd.
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