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Ethanol
Ethanol (Product Code: SCL382/098) is an analytical reagent grade alcohol used to remove chlorophyll from leaves before the iodine starch test, precipitate DNA and dehydrate stained tissue in school and college biology practicals. Supplied in a 500 ml pack with its MSDS, it is a standard reagent in the photosynthesis experiment kit India's secondary schools and botany departments rely on. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Product | Ethanol |
| Grade | Analytical reagent |
| Pack size | 500 ml |
| Safety documentation | Supplied with MSDS |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. |
| Product code | SCL382/098 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Ethanol Used For?
In the test for starch in a leaf, the leaf is first softened in boiling water, then placed in a tube of ethanol standing in the hot water bath until the green pigment dissolves out; after rinsing, iodine solution shows which parts of the leaf made starch. In DNA isolation, ice-cold ethanol poured gently onto the extract makes DNA come out of solution as white threads. For permanent slides, ethanol diluted with distilled water into a graded series gradually removes water from stained sections, pairing naturally with the stains of a staining kit for the biology lab in India.
Ethanol is highly flammable: never heat it directly over a flame, switch off burners before opening the bottle, and warm it only in a water bath heated beforehand. Keep the bottle tightly capped, away from heat and sunlight, preferably in a flammables cabinet, and follow the supplied MSDS for spills.
Supplier
This reagent is supplied under ScienceLab, the brand of Jain Scientific Equipments Private Limited, whose base is in Ambala, Haryana, India. The company serves educational and research laboratories with reagents, stains and apparatus, and confirms how flammable liquids will be packed for each delivery. Read about us on the company profile page.
Related Biology Lab Products
Items used with ethanol in the starch test, DNA isolation and slide preparation:
- Iodine Sol — reveals starch once the leaf has been decolourised
- Beaker — holds the hot water bath for warming the ethanol tube safely
- Petri Dish — for spreading out the leaf during the iodine test
- Icebox — keeps ethanol chilled for DNA precipitation
- Safranine (Plant Tissue) — a stain used before ethanol dehydration of plant sections
Explore more reagents in our Biology Lab range.
Frequently Asked Questions
Why is a leaf placed in Ethanol before the iodine test?
A leaf is placed in Ethanol before the iodine test because chlorophyll dissolves in it. Removing the green colour lets the blue-black starch-iodine reaction show clearly, so students can see exactly which parts of the leaf made starch.
Is it safe to heat Ethanol in class?
Ethanol should only be heated indirectly in class. It is highly flammable, so warm it in a tube standing in hot water that was heated beforehand, with all burners and flames switched off nearby, and follow the MSDS for spills.
What strength of Ethanol is supplied?
The Ethanol listing gives the grade as analytical reagent but does not state a percentage strength. If your protocol needs a particular concentration, for example for DNA precipitation, contact us to confirm before you order.
How much does a bottle of Ethanol contain?
A bottle of Ethanol contains 500 ml of analytical reagent grade alcohol and is supplied with its MSDS. For a graded dehydration series, the contents can be diluted with distilled water into several working strengths.
How long does Ethanol keep?
The shelf life of Ethanol depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. Store the bottle tightly capped in a cool place away from ignition sources, ideally in a flammables cabinet.
Who supplies Ethanol?
Ethanol is supplied by Jain Scientific Equipments Pvt Ltd, which trades under the ScienceLab name from Ambala, Haryana, India. Schools, colleges and distributors in India and international markets can order it together with stains, iodine solution and glassware in a single quotation.
What should a quotation request for Ethanol include?
A quotation request for Ethanol should give the code SCL382/098, the number of 500 ml bottles and your delivery location, since flammable liquids need suitable transport. Add any stains or glassware for the same practicals so they can be quoted together.
Request a Quote
Ask for pricing on Ethanol (SCL382/098) through the contact page, or add it to the enquiry cart with your photosynthesis and DNA practical items.
Last updated: 24 September 2026
