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Safety Information



Phenol – chloroform – isoamyl alcohol mixture

BioUltra, for molecular biology, 49.5:49.5:1

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phenol:Chloroform:Isoamyl Alcohol
CAS Number:
MDL number:
PubChem Substance ID:


for molecular biology

Quality Level

product line





DNases, none detected
RNases, none detected
phosphatases, none detected
proteases, none detected


7.7-8.3(H2O-phase, after extraction with H2O, 1:1)


1.29 g/mL at 20 °C


cut-off at 360 nm

storage temp.


SMILES string




InChI key


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  • Simultaneous quantification of multiple RNA cargos co-loaded into nanoparticle-based delivery systems.: This study highlights the use of a phenol-chloroform-isoamyl alcohol mixture for the extraction and quantification of RNA cargos from nanoparticles, facilitating accurate delivery system analysis (Lokras et al., 2022).

  • Analysis of Circulating microRNAs and Their Post-Transcriptional Modifications in Cancer Serum by On-Line Solid-Phase Extraction-Capillary Electrophoresis-Mass Spectrometry.: This research utilized the phenol-chloroform-isoamyl alcohol mixture to extract microRNAs from serum samples, providing insights into cancer biomarkers (Pero-Gascon et al., 2018).

  • The application of alkaline lysis and pressure cycling technology in the differential extraction of DNA from sperm and epithelial cells recovered from cotton swabs.: The study demonstrates the effectiveness of using phenol-chloroform-isoamyl alcohol for DNA extraction in forensic applications, improving the analysis of mixed samples (Nori and McCord, 2015).

  • The critical role of DNA extraction for detection of mycobacteria in tissues.: This article emphasizes the necessity of phenol-chloroform-isoamyl alcohol extraction in accurately detecting mycobacterial DNA in tissue samples, enhancing diagnostic precision (Radomski et al., 2013).

Physical form

mixture of phenol; chloroform; isoamyl alcohol in the ratio of 49.5:49.5:1 (v/v/v); saturated with 100 mM TRIS pH 8.0; contains ~0.1% 8-hydroxyquinoline

Other Notes

Large- and small-scale phenol extractions

Signal Word


Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Oral - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials



Flash Point(F)

177.8 °F - closed cup

Flash Point(C)

81 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.


Deleterious substance


Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code


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