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Propidium iodide

Propidium iodide
Propidium iodide
Chemical Name:
Propidium iodide
PI;Nsc169541;-Cellstain-Pi;PROPIDIUM IODIDE;Propidium diiodide;PROPIDIUM IODIDE 95%;-Cellstain-PiSolution;PROPIDIUM IODIDE 95-98%;Propidium iodide solution;PROPIDIUM IODIDE RED POWDER
Molecular Formula:
Formula Weight:
MOL File:

Propidium iodide Properties

Melting point:
220-225 °C (dec.)(lit.)
storage temp. 
Difficult to mix.
Flaky Powder
Dark red
Water Solubility 
Soluble in water at 1mg/ml
493 nm, 535 nm
Light Sensitive & Hygroscopic
Biological Applications
Detecting nucleic acids,cancer cells,spores,activity of hydrolase,microorganisms; apoptosis assay; measuring beta-amyloid in Alzheimer’s disease (AD); treating diseases associated with androgens,cancer
CAS DataBase Reference
25535-16-4(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-68-67-48/20/22-40-36/38-22-20-63
Safety Statements  26-36-22-36/37
WGK Germany  3
RTECS  SF7949600
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P281 Use personal protective equipment as required.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P405 Store locked up.

Propidium iodide price More Price(21)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 537059 Propidium Iodide Membrane impermeable DNA intercalator. 25535-16-4 50mg $84.5 2017-11-08 Buy
Sigma-Aldrich 537059 Propidium Iodide Membrane impermeable DNA intercalator. 25535-16-4 1gm $1297 2017-11-08 Buy
Alfa Aesar J66764 Propidium iodide 25535-16-4 100mg $157 2017-11-08 Buy
Alfa Aesar J66584 Propidium iodide, 1mg/ml aqueous soln. 25535-16-4 10ml $78.3 2017-11-08 Buy
Cayman Chemical 14289 Propidium Iodide ≥90% 25535-16-4 10mg $25 2017-11-08 Buy

Propidium iodide Chemical Properties,Uses,Production

Chemical Properties

Dark Red Solid


1 mg/mL in water


Propidium iodide is the most common red-fluorescent nuclear stain. It can also be excited using excitation filters appropriate for green-fluorescent dyes.




Propidium Iodide is a phenanthridine compound, a class of compounds with reported activity against several species of trypanosomes. Propidium iodide may be used in flow cytometry to evaluate cell viab ility when used with other dyes that stain viable cells or cells that are early in the apoptosis process.


Used as fluorescent stain for nucleic acids,and used in flow cytometry to evaluate cell viability

Propidium iodide Preparation Products And Raw materials

Raw materials

Preparation Products

Propidium iodide Suppliers

Global( 115)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32767 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96817 76
INTATRADE GmbH +49 3493/605464
+49 3493/605470 Germany 3588 66
3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-50328109 China 15940 69
BeiJing Hwrk Chemicals Limted 4006990298;010-57411839;0757-86311057;021-51691807
010-87653215;0757-86311057;021-55236763 China 14619 55
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029 China 12614 60
Nanjing Chemlin Chemical Co., Ltd 025-83697070
+86-25-83453306 China 19982 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 China 32525 50
Chengdu XiYa Chemical Technology Co., Ltd. 4008-626-111
028-84752058 China 9741 57
Syntechem Co.,Ltd Please Email
E-Mail Inquiry China 13093 57

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