Molekula
Pigment Red 49:2
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
Pigment Red 49:2 is a high-performance organic pigment used in coatings, plastics, and inks for its strong color and excellent lightfastness. It is a calcium salt of a complex azo compound. CAS: 1103-39-5, Molecular Formula: C40H26CaN4O8S2, Molecular Weight: 796.89 g/mol. Stored at ambient conditions. No signal word applies.
Molekula supplies Pigment Red 49:2 in 5 g packs, from £37.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 2 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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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5 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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 | Red powder |
| Water | 0.2% |
| Storage Temperature | +20℃ |
| Oil Absorption | 45%~50% |
| Contactance | ≤300us/cm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89967036 |
| CAS Number | 1103-39-5 |
| IUPAC Name | calcium bis(2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate) |
| Molecular Formula | C40H26CaN4O8S2 |
| Molecular Weight | 796.89 |
| Exact Mass | 794.0818 |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)[O-])O.C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)[O-])O.[Ca+2] |
| InChIKey | UETSCOQSVNUXDH-UHFFFAOYSA-L |
| InChI | InChI=1S/2C20H14N2O4S.Ca/c2*23-18-12-10-13-5-1-3-7-15(13)19(18)22-21-17-11-9-14-6-2-4-8-16(14)20(17)27(24,25)26;/h2*1-12,23H,(H,24,25,26);/q;;+2/p-2 |
| PubChem CID | 14201 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.90.01 |
| Tariff Code | 2934999090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
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
- AKLXUSFMCRHRNU-JBLAVHSWSA-L
- Calcium bis{2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate}
- calcium;2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
- Calciumbis[2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate]
Frequently asked questions
What is Pigment Red 49:2 used for?
It is primarily used as a high-performance pigment in coatings, plastics, and inks due to its excellent color strength and stability.
What is the chemical formula and molecular weight of Pigment Red 49:2?
The formula is C40H26CaN4O8S2 with a molecular weight of 796.89 g/mol.
How should Pigment Red 49:2 be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of Pigment Red 49:2 is available?
Molekula supplies Pigment Red 49:2 as a red powder with a water content of 0.2%, oil absorption of 45%~50% and conductance of ≤300 µS/cm.
Can Molekula supply Pigment Red 49:2 in bulk?
Yes, Molekula can supply Pigment Red 49:2 in bulk quantities upon request.
What documentation comes with a purchase of Pigment Red 49:2?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Where can I buy Pigment Red 49:2?
Directly from Molekula, which lists Pigment Red 49:2 in 5 g packs from £37.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.