Molekula
Gum Rosin 80:20 (Colophony:Talkum)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Gum Rosin 80:20 (Colophony:Talkum) is a blended resin derived from pine tree sap, widely used in adhesives, inks, varnishes, and as a flux in soldering to improve wetting and reduce oxidation. This formulation combines 80% colophony (rosin) with 20% talc for modified properties like reduced tackiness and improved flow. It has a CAS number of 8050-09-7, requires ambient storage, and carries a **Warning** signal word under GHS classification. Molekula supplies Gum Rosin 80:20 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $64.70 per pack
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500 g — $219.50 per pack
Need a different quantity or pack?
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 | White to off-white to yellow powder/solid |
| Identification | Conforms to reference |
| Colophony content | around 80% (natural) |
| Talkum content | around 20% (USP 25/Ph.Eur 2002) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 188 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033163 |
| CAS Number | 8050-09-7 |
| Molecular Formula | N/A |
| Molecular Weight | N/A |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3806100010 |
| Tariff Code | 3806100010 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H317 May cause an allergic skin reaction
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Gum Rosin 80:20 (Colophony:Talkum) commonly used for?
Gum Rosin 80:20 is primarily used in adhesives, inks, varnishes, and as a raw material in the production of synthetic resins, soaps, and as a flux in soldering.
What is the storage recommendation for Gum Rosin 80:20?
Store Gum Rosin 80:20 at ambient temperature in a dry, well-ventilated area, away from sources of ignition.
Can Molekula supply Gum Rosin 80:20 in bulk quantities?
Yes, Molekula can supply Gum Rosin 80:20 in bulk, with quantities tailored to your specific requirements.
What documentation comes with an order of Gum Rosin 80:20?
Each order includes a Material Safety Data Sheet (MSDS), Certificate of Analysis (CoA), and a commercial invoice.
What is the signal word for Gum Rosin 80:20?
The signal word for Gum Rosin 80:20 is **Warning**, indicating it poses moderate hazards.
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.