SDA 3A Ethanol 190 Proof (95%), Histological Grade

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95% Denatured Ethanol, 190 Proof Ethyl Alcohol, Denatured Ethanol 190 Proof, SDA-3A, Alcohol Reagent Denatured (3A) 190 Proof, 190 Proof 95% SDA-3A, Ethanol/Methanol 5%, Denatured Ethyl Alcohol 190 Proof
Histological Grade
Ethanol 190 Proof (95%) Denatured

About SDA 3A Ethyl Alcohol 190 proof 95% Histological Grade:

Ethanol 190 proof 95% denatured alcohol is a solution of 95% pure alcohol with 5% denaturing chemicals. Denaturing of ethanol makes it unsuitable for human consumption because methanol and isopropanol are added. This type of ethyl alcohol is a colorless, volatile, and toxic liquid at room temperature. Lab Alley 190 proof denatured ethanol meets the histological grade specifications due to its high purity and premium quality. As a histological grade solvent, it is used in histology labs. research labs and the healthcare industry, as well. 

Ethanol 190 Proof 95% Denatured Alcohol Features:

Assay (by GC) 89.5-91.5% 190 proof Ethanol
4.0-5.0% Methanol
4.5-5.5% IPA
Specific Gravity @ 20°C 0.810-0.812
Color (Pt-Co) NMT 10
Odor Characteristic

Commercial and Industrial Applications: 
  • Cleaner
  • Solvent
  • Reagent   
  • Research labs
  • Histology labs
  • Fuel additive
  • Healthcare industry
Safety and Specification Information Info:

Download a Safety Data Sheet (SDS) PDF. Below, please find a Certificate of Analysis (COA) PDF. DOT: Alcohol, n.o.s. (denatured ethanol), 3, UN1987, PG II) This product is hazardous, therefore a Hazmat fee is required. 

Shipping Information:
You can buy SDA 3A Ethanol 190 Proof 95% Histological Grade from 500mL to pail and box pallets. For bulk orders, please call Lab Alley customer service, 512-668-9918 or email us at, We ship within 1-2 business days in the US and Canada.

Download Safety Data Sheet (SDS) Download Product Specification Sheet