Molekula
Fehlings Solution B
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's Solution B is a reagent used in chemical analysis to detect reducing sugars and aldehydes. It contains potassium sodium tartrate and is part of the Fehling's test system. CAS: 6381-59-5, Molecular Formula: KOCOCH(OH)CH(OH)COONa, Molecular Weight: 210.16 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Fehling's Solution B 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 colourless solution |
| Contains | 346 g C4H4O6KNa.4H2O + 100g NaOH/l H2O |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033123 |
| CAS Number | 6381-59-5 |
| Molecular Formula | KOCOCH(OH)CH(OH)COONa |
| Molecular Weight | 210.16 |
| UN Number | UN1719 |
| REACH Code | Y110 |
| HTS Code | 38220050 |
| Tariff Code | 3822190090 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P310 Immediately call a POISON CENTER or doctor/physician
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's Solution B used for?
Fehling's Solution B is used in analytical chemistry to test for reducing sugars, particularly in the Fehling's test for aldehydes and certain ketones.
What is the chemical formula and molecular weight of Fehling's Solution B?
The formula is KOCOCH(OH)CH(OH)COONa with a molecular weight of 210.16 g/mol.
How should Fehling's Solution B be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of Fehling's Solution B does Molekula supply?
Molekula supplies Fehling's Solution B as a clear colourless solution containing 346 g C4H4O6KNa.4H2O and 100 g NaOH per litre of water. No specific grade is stated in the specification.
Can Molekula supply Fehling's Solution B in bulk?
Yes, Molekula can supply Fehling's Solution B in bulk quantities—please contact our sales team for details.
What documentation comes with a purchase of Fehling's Solution B?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Is Fehlings Solution B dangerous goods for shipping?
Yes. Fehlings Solution B ships as dangerous goods: UN1719, class 8, packing group II.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.