Molekula
Fehling solution A
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Fehling solution A is a copper(II) sulfate-based reagent used in qualitative chemical analysis to detect reducing sugars and aldehydes through a colorimetric reaction. It is a clear blue aqueous solution of copper(II) sulfate, specified to contain more than 68.5 g of copper(II) sulfate pentahydrate (CuSO4.5H2O) per litre; the copper(II) sulfate it is based on has a CAS number of 7758-98-7, molecular formula CuSO4, and molecular weight of 159.61. Store at ambient conditions. The product carries a signal word of "Warning" for safety. Molekula supplies Fehling solution A from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear Blue Liquid |
| CuSO4.5H2O/l H2O | > 68.5g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033508 |
| CAS Number | 7758-98-7 |
| IUPAC Name | copper sulfate |
| EC Number | 231-847-6 |
| Molecular Formula | CuSO4 |
| Molecular Weight | 159.61 |
| Exact Mass | 158.8813 |
| SMILES | [O-]S(=O)(=O)[O-].[Cu+2] |
| InChIKey | ARUVKPQLZAKDPS-UHFFFAOYSA-L |
| InChI | InChI=1S/Cu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2 |
| PubChem CID | 24462 |
| UN Number | UN3082 |
| REACH Code | Y110 |
| HTS Code | 38220050 |
| Tariff Code | 3822190090 |
Safety & GHS
-
Hazardous to the Environment
GHS09
Hazard statements
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Fehling solution A used for?
Fehling solution A (copper(II) sulfate in water) is primarily used in Fehling's test to detect reducing sugars and aldehydes in qualitative organic analysis.
What is the chemical formula and molecular weight of Fehling solution A?
Fehling solution A is an aqueous solution of copper(II) sulfate, specified as more than 68.5 g of copper(II) sulfate pentahydrate (CuSO4.5H2O) per litre. The copper(II) sulfate it contains is identified by CAS 7758-98-7, with formula CuSO4 and a molecular weight of 159.61 g/mol.
How should Fehling solution A be stored?
Store at ambient temperature in a tightly sealed container, away from direct sunlight and incompatible substances.
What grade of Fehling solution A does Molekula supply?
Molekula supplies Fehling solution A as a clear blue liquid containing more than 68.5 g of copper(II) sulfate pentahydrate (CuSO4.5H2O) per litre, suitable for laboratory testing and research applications.
Can Molekula supply Fehling solution A in bulk quantities?
Yes, Molekula can provide Fehling solution A in bulk quantities upon request, subject to availability and order specifications.
What documentation comes with an order of Fehling solution A?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Is Fehling solution A dangerous goods for shipping?
Yes. Fehling solution A ships as dangerous goods: UN3082, class 9.
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