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Molekula

Molekula

Pigment Red 49:2

SKU 89967036 CAS 1103-39-5 C40H26CaN4O8S2 MW 796.89 In stock Bulk quantities on request

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.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

  • 5 g — £30.90 per pack ex VAT · £37.08 inc. VAT

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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

Safety Data Sheets (SDS)

Available in English, Italian.

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.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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